2.1 Aspect Biology

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 339 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES CONCEPT NO MAGNETIC DECISION [hv co‡e] MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year DU JU RU CU GST MAT DAT HSC WRITTEN MCQ CONCEPT-01 cÖvwY‣ewPΨ I †kÖYxweb¨vm 40% 60% 50% 60% 50% 70% 70% 50% CONCEPT-02 mKj c‡e©i ¸iæZ¡c~Y© Z_¨vewj 80% 80% 80% 80% 50% 30% 10% 90% CONCEPT-03 KW©vUv c‡e©i we¯ÍvwiZ 90% 90% 90% 90% 40% 20% 10% 90% DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University, GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test CONCEPT 01 cÖvwY‣ewPΨ I †kÖwYweb¨vm ITEM 01 cÖvwY‣ewPΨ c„w_exi mg¯Í RjPi, ¯
jPi I †LPi cÖvYxi g‡a¨ †h wRbMZ, cÖRvwZMZ I ev¯‧ms¯
vbMZ wewfbœZv †`Lv hvq †mwUB n‡”Q cÖvYxi wewfbœZv ev cÖvwY‣ewPΨ| cÖvwY •ewP‡Î¨i cÖKvi‡f`: (i) wRbMZ •ewPΨ- wRbMZ Dcv`v‡b •el‡g¨i Rb¨ wRbMZ •ewP‡Î¨i D™¢e nq| D`vniY: mKj gvbyl Homo sapiens bvgK cÖRvwZi m`m¨ n‡jI GKRb Avwd«Kvb K…òv½ I A‡óªwjqvb †kZv½ gvby‡li †`‡ni AvK…wZ Mv‡qi I Pz‡ji iO BZ¨vw` Avjv`v| wRbMZ •ewPΨ wbw`©ó GK cÖRvwZi m`m¨wfwËK nIqvq G ai‡bi •ewPΨ‡K AšÍtcÖRvwZK •ewPΨ e‡j| (ii) cÖRvwZMZ •ewPΨ- wewfbœ cÖRvwZi Rxe hLb GKwU wbw`©ó mg‡q GKB A‡j GKm‡½ emevm K‡i Ges GKwU ev¯‧Zvwš¿K m¤úª`vq M‡o †Zv‡j Zv‡K cÖRvwZMZ •ewPΨ e‡j| D`vniY: Panthera tigris Ges Panthera leo GKB M‡Yi m`m¨ n‡jI Zviv wfbœ cÖRvwZ| G ai‡bi •ewPΨ‡K AvšÍtcÖRvwZK •ewPΨ e‡j| (iii) ev¯‘Zvwš¿K •ewPΨ- GKwU Rxe m¤úª`v‡qi Ges †f․Z cwi‡e‡ki wg_w®…qvi d‡j ev¯‧Zvwš¿K •ewP‡Î¨i D™¢e nq| D`vniY: Z…Yf~wg, ebf~wg, giæf~wg, Rjvf~wg BZ¨vw`| c„w_ex‡Z 25wU nU¯úU Av‡Q| evsjv‡`‡ki GKgvÎ nU¯úU mgMÖ wm‡jU, PÆMÖvg I cve©Z¨ PÆMÖvg Rxe‣ewP‡Î¨i nU¯úU (The biodiversity hotspots): †h A‡j cÖRvwZ •ewPΨ †ewk †m AÂj‡K Rxe‣ewP‡Î¨i Hotspot e‡j| 1988 wLªóv‡ã weªwUk cwi‡ekwe` Ernst Norman Mayr cÖ_g “The Biodiversity Hotspots” kãwU cÖPjb K‡ib| †h A‡j b~¨bZg 1500wU G‡ÛwgK fv¯‥zjvi Dw™¢` cÖRvwZ i‡q‡Q, AÂjwUi g~j emwZi AšÍZ 70% webó n‡q‡Q Ges AÂjwU c„w_exi AšÍZ 0.5%, †m AÂj‡K nU¯úU e‡j| c„w_exi nU¯ú‡Ui †gvU AvqZb c„w_ex c„‡ôi gvÎ 1.4% Ges c„w_exi mKj fv¯‥zjvi Dw™¢` cÖRvwZi 44% I mKj ¯
jPi †giæ`Ðx cÖvYx cÖRvwZi 35% G me nU¯úU¸‡jv‡Z emevm Ki‡Q| (Ref: AvRgj m¨vi, KvBqyg m¨vi) ITEM 02 cÖvwYRM‡Zi †kÖwYweb¨vm cÖvwYRM‡Zi †gvU 33wU c‡e©i (cÖavb ce© 9wU, †M․Y ce© 24wU) cÖvYx‡`i‡K wewfbœ •ewk‡ó¨i Dci wfwË K‡i fvM Kiv hvq| cÖvwYi †kÖwYweb¨v‡mi cÖavb wfwË: µwgK bs wfwË µwgK bs wfwË 01 †`‡ni AvKvi 09 Dcv½ 02 msMVb µggvÎv 10 cÖvwšÍKZv 03 Rxeb c×wZ 11 Zj 04 wK¬‡fR I åƒYxq weKvk 12 wm‡jvg 05 åƒY¯Íi 13 msenbZš¿ 06 cÖwZmvg¨ 14 K¼vj 07 LÐKvqb 15 b‡UvKW© 08 AÂjvqb 16 †c․wóKbvwj wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe? cÖvYxi wewfbœZv I †kÖwYweb¨vm ANIMAL DIVERSITY & CLASSIFICATION Aa¨vq 01 wØZxq cÎ c„ôv 339

340 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES cÖvwYi †kÖwYweb¨v‡mi cÖavb K‡qKwU wfwË: †kÖYxweb¨vm †`‡ni AvKvi AvK…wZ gvB‡µv Amoeba, Plasmodium, Trichodina anabasi g¨v‡µv Cavia porcellus, Balaenoptra muscules †Kv‡li msL¨v GK‡Kvlx Protozoa eû‡Kvlx Porifera, Chordata åƒY¯Í‡ii msL¨v ¯Íiwenxb Protozoa, Porifera wدÍix G‡±vW©vg I G‡ÛvW©vg (Cnidaria, Ctenophora) wίÍix G‡±vW©vg, †g‡mvWvg© I G‡ÛvW©vg w`‡q MwVZ| Platyhelminthes †_‡K Chordata cÖwZmvg¨ †Mvjxq cÖwZmvg¨ Volvox, Radiolaria, Heliozoa Aixq cÖwZmvg¨ Hydra, Aurelia, mxA¨vwbgb wØcvk©xq cÖwZmvg¨ gvbyl, e¨vO, cÖRvcwZ AcÖwZmvg¨ Pila globosa, Amoeba, Sponge †`‡ni ga¨‡iLxq Z‡ji `yÕcv‡k m`„k As‡ki Ae¯
v‡bi Dci wfwË K‡i wm‡jvg BDwm‡jv‡gU evwK ce©¸‡jv my¨‡Wvwm‡jv‡gU Loa loa (†PvL K…wg), Nematoda, Rotifera, Kinorhyncha A¨vwm‡jv‡gU Cnidaria, Platyhelminthes, Porifera, Ctenophora †g‡mvWvg© †_‡K m„ó †cwi‡Uvwbqvg wSwjø Øviv Ave„Z MnŸi LÐKvqb LÐKvqwenxb mgy`ª Zviv, wSubyK AmgLÐKvqb cZ½ mgLÐKvqb †Ku‡Pv (evwn¨K I Af¨šÍixY), gvbyl (Af¨šÍixY) GKB iKg LЇKi cybive„wˇK †gUv‡gwiRg e‡j b‡UvKW© b‡UvKW©wenxb †Ku‡Pv, Nvmdwos, gkv, †cÖv‡Uv‡Rvqv, GKvB‡bvWvg©vUv b‡UvKW©hy³ e¨vO, mvc, gvbyl, A¨vwmwWqv åƒY Ae¯
vq ev AvRxeb †`‡ni c„ôga¨‡iLv eivei Aew¯
Z bgbxq w¯
wZ¯
vcK I wQ`ªhy³ wUmy¨i `Ð †giæ`Û A‡giæ`Ûx mvc, †Ku‡Pv †giæ`Ûx gvbyl, e¨vO †c․wóK bvjx G‡›U‡iv‡Rvqv (bvjxwenxb) Cnidaria †_‡K Chordata c¨viv‡Rvqv (bvjxhy³) Porifera Rxeb-hvcb ciRxex K…wg, fvBivm gy³Rxex gvbyl, KeyZi (Columba livia) cÖvwšÍKZv g¯ÍK I gy‡Li Ae¯
v‡bi Dci wfwË K‡i cÖvYxi †`‡ni †giæKiY Kiv nq Zv‡K cÖvwšÍKZv e‡j| U¨vMgvUvB‡Rkb Av‡_©ªv‡cvWv c‡e©i cÖvYx‡`‡ni LÛK wgwjZ n‡q AÂj m„wó K‡i G‡K AÂjvqb e‡j| Zj cÖwZmvg¨ cÖvYx‡K wewfbœ Z‡j fvM Kiv hvq| ga¨‡iLxq Zj, m¤§yL Zj, AbycÖ¯
 Zj BZ¨vw`| msMVb gvÎv †Kvlxq msMVb cÖvYx‡`‡ni †Kvl¸‡jv KLbI wUmy¨ ev †KvlKjvq web¨¯Í bv n‡q wX‡jXvjvfv‡e mw¾Z _v‡K| D`v: Porifera †KvlKjv ev wUmy¨ msMVb cÖvYx‡`‡ni GKB ¯
vb †_‡K m„ó Ges GKB ai‡bi Kv‡R wb‡qvwRZ †Kvl¸‡jv wewfbœ ai‡bi wUmy¨ MVb K‡i| D`v: Cnidaria A½-Zš¿ msMVb cÖvYx‡`‡ni KZ¸‡jv wUmy¨ GK‡Î †Kvb wbw`©ó KvR Kivi Rb¨ †`‡ni †Kvb Ask MVb K‡i, Zv‡K A½ e‡j| D`v: Platyhelminthes †_‡K Chordata wUmy¨-A½ gvÎvi MVb ¯^v”Q›`¨ Rxeb-hvc‡bi Rb¨ hLb GKvwaK wUmy¨-wbwg©Z wewfbœ A‡½i mgvnvi N‡U ZLb †mB MVb‡K wUmy¨-A½ gvÎvi MVb e‡j| D`v: Platyhelminthes (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg) WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question cÖvYx •ewPΨ Kv‡K e‡j? DËi: c„w_exi mg¯Í RjPi, ¯
jPi I †LPi cÖvYxi g‡a¨ †h wRbMZ, cÖRvwZMZ I ev¯‧ms¯
vbMZ wewfbœZv †`Lv hvq †mwUB n‡”Q cÖvYxi wewfbœZv ev cÖvwY‣ewPΨ| evsjv‡`‡ki nU¯úU Gi bvg Kx? DËi: evsjv‡`‡ki GKgvÎ nU¯úU wm‡jU, PÆMÖvg I cve©Z¨ PÆMÖvg AÂj| msMVb gvÎv Kx? DËi: cÖvYxi †Kvlxq µgbgZvi cÖwZwU ¯Íi‡K msMVb gvÎv e‡j|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 341 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES wm‡jv‡gi cÖKvi‡f` wjL D`vniY mn? DËi: wm‡jv‡gi cÖKvi‡f` D`vniY mn : wm‡jvg ce© A¨vwm‡jv‡gU Porifera, Platyhelminthes (Fasciola heptica) Ges Cnidaria BDwm‡jv‡gU Mollusca, Arthropoda, Annelida, Chordata, Echinodermata, Hemichordata my¨‡Wvwm‡jv‡gU Nematoda, Rotifera, Kinorhyncha, Loa loa cÖwZmvg¨Zv Kx, D`vniY mn wjL? DËi: A‡ÿi mv‡_ mvgÄm¨ †i‡L cÖvwY‡`‡ni wewfbœ A‡½i mylg eÈb‡K cÖwZmvg¨ e‡j| Ab¨fv‡e ejv hvq, cÖvwY‡`n‡K †Kv‡bv Aÿ ev Zj eivei m`„k¨ mgvb Ask wefvRb Kivi wbqg‡K cÖwZmvg¨ e‡j| cÖvwYRM‡Z cÖavbZ wb¤œewY©Z 5 ai‡bi cÖwZmvg¨ cwijwÿZ nq| cÖwZmvg¨Zvi aib D`vniY †Mvjxq cÖwZmvg¨ Volvox, Radiolaria, Heliozoa Aixq cÖwZmvg¨ nvBWªv, †Rwjwdk (Aurelia), mx A¨vwbgb (Metridium) wØAixq cÖwZmvg¨ Ctenophora RvZxq cÖvYxi †`n (†hgb: Ceoloplana) wØcvk¦©xq cÖwZmvg¨ cÖRvcwZ, e¨vO, gvbyl AcÖwZmvg¨ ¯úÄ, kvgyK, A¨vwgev REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. Aixq cÖwZmvg¨Zv †`Lv hvq? [DU,18-19; PUST. 17-18] A. Ctenophora B. Gastropoda C. Porifera D. Cnidaria Ans D Why Volvox, Radiolaria, Heliozoa †Z †Mvjxq cÖwZmvg¨, Ceoloplana, Ctenophora †Z wØ-Aixq cÖwZmvg¨ I Cnidaria c‡e©i cÖvYx‡Z Aixq cÖwZmvg¨ †`Lv hvq| 02. wmD‡Wvwm‡jvg (Pseudocoelom) †Kvb cÖvYxc‡e©i •ewkó¨? [DU.17-18;MAT. 14-15; CU.12-13] A. †bgv‡UvWv B. wbWvwiqv C. wU‡bv‡dviv D. cøvwU‡njwgb‡_m Ans A Why my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jv‡gU †`Lv hvq Nematoda, Rotifera, Kinorhyncha cÖf…wZ ce©fz³ cÖvYx‡`i| 03. †Kvb cÖvYxwU wØcvk^x©q cÖwZmvg¨ bq? [DU: 17-18] A. A¨vwgev B. hK…Z K…wg C. weovj D. nvwZ Ans A STEP 02 ANALYSIS OF JU QUESTION 01. †Kvb c‡e©i cÖvYxiv A¨vwm‡jv‡gU? [JU-D, Set-G. 20-21] A. Porifera B. Nematoda C. Rotifera D. Mollusca Ans A Why wm‡jv‡gi cÖKvi‡f`: wm‡jvg ce© A¨vwm‡jv‡gU Porifera, Platyhelminthes (Fasciola heptica) Ges Cnidaria BDwm‡jv‡gU Mollusca, Arthropoda, Annelida, Chordata, Echinodermata, Hemichordata my¨‡Wvwm‡jv‡gU Nematoda, Rotifera, Kinorhyncha, Loa loa 02. †Kvb c‡e©i cÖvYxiv wدÍix? [JU-D, Set-D. 20-21] A. Chordata B. Cnidaria C. Annelida D. Platyhelminthes Ans B Why wbWvwiqv c‡e©i cÖvYx‡Z †g‡mvWv‡g©i cwie‡Z© †g‡mvwMøqv Ae¯
vb K‡i| 03. Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [JU: Unit-D; Set-A/B;19-20] A. Radiolaria B. Heliozoa C. Aurelia D. Pila Ans C Why cÖwZmvg¨Zv: [JU. 19-20, Set-I Gi cÖ‡kœi e¨vL¨v †`‡Lv] 04. †Kvb ce©f~³ cÖvYxiv A¨vwm‡jv‡gU? [JU: Unit-D; Set-Q;19-20] A. Porifera B. Platyhelminthes C. Nematoda D. A + B Ans D Why wm‡jv‡gi cÖKvi‡f`: [JU. 19-20, Set-M Gi cÖ‡kœi e¨vL¨v †`‡Lv|] 05. †Kvb ce©fz³ cÖvYxiv my¨‡Wvwm‡jv‡gU? [JU: Unit-D; Set-M;19-20] A. Porifera B. Rotifera C. Annelida D. Ectoprocta Ans B Why wm‡jv‡gi cÖKvi‡f`: bvg D`vniY A¨vwm‡jv‡gU ev wm‡jvgwenxb Porifera, Cnidaria, Ctenophora, Platyhelminthes my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jvghy³ Nematoda, Rotifera, Kinorhyncha BDwm‡jv‡gU ev cÖK…Z wm‡jvghy³ Mollusca, Annelida, Arthropoda, Echinodermata, Hemichordata 06. wØ-Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [JU: Unit-D; Set-I;19-20] A. Volvox B. Aurelia C. Ceoloplana D. Homo Ans C Why wewfbœ ai‡bi cÖwZmvg¨Zv: cÖwZmvg¨Zvi aib D`vniY †Mvjxq cÖwZmvg¨ Volvox, Radiolaria, Heliozoa Aixq cÖwZmvg¨ nvBWªv, †Rwjwdk (Aurelia), mx A¨vwbgb (Metridium) wØAixq cÖwZmvg¨ Ctenophora RvZxq cÖvYxi †`n (†hgb: Ceoloplana) wØcvk¦©xq cÖwZmvg¨ cÖRvcwZ, e¨vO, gvbyl AcÖwZmvg¨ ¯úÄ, kvgyK 07. Platyhelminthes c‡e©i cÖvYxiv †Kvb ai‡Yi? [JU,Unit-D,Set-A,18-19] A. A¨vwm‡jv‡gU B. BDwm‡jv‡gU C. my¨‡Wvwm‡jv‡gU D. mycviwm‡jv‡gU Ans A 08. Aixq cÖwZmvg¨f‚³ cÖvYx †KvbwU? [JU,Unit-D,Set-D,18-19] A. Volvox sp. B. Homo sapiens C. Pila globosa D. Hydra vulgaris Ans D 09. Nematoda ce©fz³ cÖvYxi †`nMnŸi †Kvb ai‡bi? [JU: D; 17-18 Set: 05] A. A¨vwm‡jv‡gU B. my¨‡Wvwm‡jv‡gU C. BDwm‡jv‡gU D. †Kv‡bvwUB bq Ans B 10. cÖvwY‡`‡ni A¼xqZj ej‡Z Kx eySvq? [JU: D; 17-18 Set: 07] A. gv_vi cÖvšÍ B. cv‡ki w`K C. Zj‡`k D. c„ôfvM Ans C 11. ¯ú‡Äi †`‡n †Kvb ai‡bi cÖwZmvg¨Zv †`Lv hvq? [JU: D; 17-18 Set: 09] A. Aixq B. wØ-Aixq C. wØ-cvk^x©q D. AcÖwZmvg¨ Ans D 12. wdZvK…wg Kx ai‡bi cÖvYx? [JU:D.17-18] A. GK¯Íix B. w`¯Íix C. wίÍix D. ¯Íiwenxb Ans C 13. Av‡_©ªv‡cvWv c‡e©i cÖvwY‡`‡n wK iKg LÛKvqb cvIqv hvq? [JU:D13-14] A. evwn¨K B. Af¨šÍixY C. evwn¨K I Af¨šÍixY D. †KvbwUB bq Ans A

342 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 14. mgy`ªZvivq †Kvb ai‡bi cÖwZmvg¨Zv †`Lv hvq? [JU:D13-14] A. †Mvjxq B. Aixq C. wØ-cvk¦x©q D. AcÖwZmvg¨ Ans B 15. nU¯úU ej‡Z eySvq wb‡¤œi †KvbwU? [JU,Unit-D,11-12; RU F2 10-11] A. Rxe‣ewP‡Î¨ mg„× AÂj B. cÖZœZvwZ¡K AÂj C. we‡bv`b AÂj D. †Rvqvi fvUv AÂj Ans A STEP 03 ANALYSIS OF RU QUESTION 01. wدÍix cÖvwY‡Z wb‡Pi †KvbwU Dcw¯’Z? [RU. Sinovac, Set-1. 20-21] A. G‡±vW©vg B. G‡ÛvWvg© C. †g‡mvwMøqv D. me¸‡jvB Ans D Why wدÍix cÖvwY‡Z †g‡mvWv‡g©i cwie‡Z© †gv‡mvwMøqv _v‡K| wbWvwiqv c‡e©i cÖvwYiv wدÍix| 02. wb‡Pi †KvbwU A¨vwm‡jv‡gU? [RU. Moderna, Set-2. 20-21] A. Taenia solium B. Ascaris lumbricoides C. Pila globosa D. Wuchereria bancrofti Ans A Why wm‡jv‡gi cÖKvi‡f`: A¨vwm‡jv‡gU ev wm‡jvgwenxb: Porifera, Cnidaria, Ctenophora, Platyhelminthes my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jvghy³: Loa Loa (†PvL K…wg), Nematoda, Rotifera, Kinorhyncha BDwm‡jv‡gU ev cÖK…Z wm‡jvghy³: Mollusca, Annelida, Arthropoda, Echinodermata, Hemichordata 03. wدÍix cÖvYxi D`vniY- [RU,SG-2,18-19] A. Aurelia B. Bufo C. Spongilla D. Ascaris Ans A 04. wb‡Pi †Kvb cÖvYxwU †c÷? [RU: F3; 17-18] A. K¨vU wdm B. WM wdm C. ÷vi wdm D. wmjfvi wdm Ans D 05. Acoelomate cÖvYx wb‡Pi †KvbwU? [RU.16-17, 11-12] A. Chordata B. Rotifera C. Platyhelminthes D. Nematoda Ans C 06. c„w_exi me©vwaK Rxe‣ewPΨ AÂj‡K wK e‡j? [RU.16-17;NU.12-13] A. Greep Spot B. Hotspot C. Safe Spot D. White Spot Ans B 07. †KvbwU Aixq cÖwZmv‡g¨i AšÍfz©³ bq? [RU.15-16] A. nvBWªv B. †Rwjwdm C. mx A¨vwbgb D. †iwWIjvwiqv Ans D 08. kvgy‡K †Kvb ai‡bi cÖwZmvg¨ †`Lv hvq? [RU.15-16] A. †Mvjxq B. cÖwZmvg¨ C. wØ-cvwk¦©q D. AcÖwZmvg¨ Ans D 09. A¨vwm‡jv‡gU cÖvYx‡`i †`‡ni, GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi ga¨eZ©x ¯’vbwU †h Kjv Øviv c~Y© _v‡K- [RU.15-16] A. c¨v‡ibKvBgv B. †¯‥‡jibKvBgv C. †g‡mbKvBgv D. c¨v‡ibKvBgyjv Ans C 10. cÖK…Z wm‡jvg †Kvb cÖvYx‡Z †`Lv hvq? [RU.11-12] A. †cÖv‡Uv‡Rvqv B. cwi‡div C. †bgv‡UvWv D. GwbwjWv Ans D 11. wdZv K…wg †Kvb ai‡Yi cÖvwY? [RU.11-12] A. A¨vwm‡jv‡gU B. cÖK…Z wm‡jv‡gU C. AcÖK…Z wm‡jv‡gU D. Dc‡ii †KvbwUB bq Ans A 12. cÖwZmvg¨nxb GKwU cÖvYx n‡”QÑ [RU.09-10] A. †Ku‡Pv B. ¯úÄ C. †Rjxwdm D. nvBWªv Ans B STEP 04 ANALYSIS OF CU QUESTION 01. wØ-cvk¦©xq wK¬‡fR †Kvb c‡e©i cÖvwYi •ewkó¨? [CU-A, Shift-4. 20-21] A. Arthropoda B. Chordata C. Annelida D. Mollusca Ans B Why wK¬‡f‡Ri wfwˇZ cÖvYx‡`i †kÖwYwefvM: Aixq wK¬‡fR: Arthropoda c‡e©i cÖvwY‡`i wK¬‡fR| wØcvk¦©xq: Chordata c‡e©i cÖvwY‡`i wK¬‡fR| mwc©j wK¬‡fR: Annelida I Mollusca c‡e©i cÖvwY‡`i wK¬‡fR| 02. †hme cÖvYxi †`‡n †c․wóKbvwj _v‡K Zv‡`i‡K ejv nq? [CU-A, Shift-4. 20-21] A. c¨viv‡Rvqv B. G›Uv‡iv‡Rvqv C. †gUv‡Rvqv D. †cÖv‡Uv‡Rvqv Ans B Why †c․wóK bvjxi wfwˇZ cÖvwY‡`i †kÖwYweb¨vm: c¨viv‡Rvqv: †hme cÖvYxi †`‡n †Kv‡bv wbw`©ó †c․wóKbvwj ev MnŸi _v‡K bv †m¸‡jv‡K c¨viv‡Rvqv e‡j| D`vniY: cwi‡div ce©fz³ cÖvYx G‡›U‡iv‡Rvqv: †hme cÖvYxi †`‡n wbw`©ó †c․wóKbvwj ev MnŸi _v‡K †m¸‡jv‡K G‡›U‡iv‡Rvqv e‡j| D`vniY: Cnidaria †_‡K Chordata ce© ch©šÍ mKj cÖvYx| 03. Aixq cÖwZmg cÖvYxi D`vniY n‡jv- [CU. 18-19; JU-D. 17-18; BU. 17-18] A. Volvox B. Metridium C. Ceoloplana D. Cliona Ans B 04. Eucoelomate bq Kviv? [CU: F1. 16-17] A. Annelida B. Arthropoda C. Echinodermata D. Mollusca E. Nematoda Ans E 05. wb‡Pi †KvbwU †Mvjxq cÖwZmvg¨ cÖvwY? [CU.15-16] A. †Rwjwdm B. gvbyl C. †Ku‡Pv D. fjf· E. evbi Ans D 06. †kÖYxKiY Abyhvqx cÖvwYRM‡Z me©‡gvU KZwU ce© i‡q‡Q? [CU.15-16] A. 30wU B. 33wU C. 35wU D. 37wU E. 50wU Ans B 07. A¨vwm‡jv‡gU †KvbwU? [CU G 2012-13] A. †Rwjwdk B. †MvjK…wg C. †Ku‡Pv D. †RvuK E. wPswo Ans A STEP 05 ANALYSIS OF DU-7 Clg QUESTION 01. wb‡Pi †Kvb c‡e©i cÖvwY¸wj my¨‡Wvwm‡jv‡gU? [DU. 7Clg-A: 20-21] A. Nematoda B. Mollusca C. Annelida D. Chordata Ans A Why wm‡jv‡gi cÖKvi‡f`: A¨vwm‡jv‡gU ev wm‡jvgwenxb: Porifera, Cnidaria, Ctenophora, Platyhelminthes. my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jvghy³: Loa Loa (†PvL K…wg), Nematoda, Rotifera, Kinorhyncha. BDwm‡jv‡gU ev cÖK…Z wm‡jvghy³: Mollusca, Annelida, Arthropoda, Echinodermata, Hemichordata. STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question JnU 01. cÖvwYRM‡Zi cÖ_g wίÍix Kviv? [JnU.11-12] A. Cnidaria B. Porifera C. Platyhelminthes D. Mollusca Ans C IU 01. †KvbwU mZ¨ bq? [IU: D; 15-16] A. Homo sapiens Gi cÖwZmvg¨ AcÖwZmg B. Chordata dvBjvgmg~‡ni cÖvYxiv wίÍix C. †`n cÖvPxi Ges †c․wóKbvwji ga¨eZx© dvuKv ¯
vb‡K †`nMnŸi e‡j D. Amoeba GK †Kvlx cÖvYx Ans A JKKNIU 01. †KvbwU AcÖwZmg cÖvYx? [JKKNIU: B; 17-18] A. Bwjk B. ZvivgvQ C. nvBWªv D. A¨vwgev Ans D BU 01. wb‡¤œi †KvbwU AcÖK…Z wm‡jv‡gi D`vniY? [BU.15-16] A. Mollusca B. Annelida C. Nematoda D. Platyhelminthes Ans C

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 343 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES PART B Analysis of Science & Technology Question SUST 01. ÔRxe‡bi •ewPΨgqZv‡KB Rxe •ewPΨ e‡jÕ ÑG msÁvwU †K w`‡q‡Qb? [SUST 14-15] A. wbDUb B. n¨vwgjUb C. WviDBb D. g¨v‡Ûj E. IqvUmb Ges wµK Ans B MBSTU 01. kvgy‡Ki cÖwZmvg¨Zv †Kvb ai‡Yi? [MBSTU: Unit-B; 19-20] A. AcÖwZmvg¨ B. wØcvkx©q C. wØAixq D. Aixq Ans A Why cÖwZmvg¨Zvi D`vniY : [JU. 19-20, Set-I Gi cÖ‡kœi e¨vL¨v †`‡Lv|] PUST 01. wb‡Pi †Kvb c‡e©i cÖvwY‡`i Aixq cÖwZmvg¨ •ewkó¨ Av‡Q? [PUST-B: 17-18] A. Platyhelminthes B. Cnidaria C. Nematoda D. Annelida Ans B STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. wm‡jvgnxb ce© †KvbwU? [MAT: 19-20] A. Nematoda B. Annelida C. Chordata D. Fasciola hepatica Ans D Why wm‡jv‡gi cÖKvi‡f`: [JU. 19-20, Set-M Gi cÖ‡kœi e¨vL¨v †`‡Lv] 02. wb‡Pi †KvbwU wØAixq cÖwZmvg¨ cÖvYxi D`vniY? [MAT.17-18] A. nvBWªv B. †Rjx wdm C. wU‡bv‡dviv D. mx A¨vwbgb Ans C 03. åvšÍ wm‡jvghy³ cÖvYxi ce© †KvbwU? [MAT.14-15] A. Platyhelminthes B. Nematoda C. Arthropoda D. Cnidaria Ans B 04. hLb †Kvb cÖvYxi †`n‡K A¶ eivei †Q` Ki‡j GKeviI mgvb `ywU As‡k fvM Kiv hvq bv ZLb Zv‡K AcÖwZmvg¨ e‡j| wb‡¤œi †Kvb cÖvYxwU AcÖwZmvg¨? [MAT .13-14] A. nvBWªv B. †Zjv‡cvKv C. kvgyK D. e¨vO Ans C STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [Xv.†ev. 2017] A. Volvox B. Julus C. Pila D. Hydra Ans D Rajshahi Board 01. wm‡jvghy³ cÖvYx †KvbwU? [iv.†ev. 2019] A. ¯úÄ B. †Rwj wdk C. P¨vÞv K…wg D. †Zjv‡cvKv Ans D 02. mgy`ª Zviv Gi cÖwZmvg¨Zv †Kvb ai‡bi? [iv.†ev. 2017] A. wØcvk¦©xq B. †Mvjxq C. cÂ-Aixq D. wØ-Aixq Ans C Chattogram Board 01. wb‡Pi †Kvb cÖvYxwU Aixqfv‡e cÖwZmg? [P.†ev. 2017] A. weovj B. †Ku‡Pv C. kvgyK D. nvBWªv Ans D Dinajpur Board 01. †KvbwU Aixq cÖwZmg cÖvYx? [w`.†ev-2021] A. KxUcZ½ B. nvBWªv C. ZvivMvQ D. ¯úÄ Ans B 02. wb‡¤œi †Kvb cÖvYx‡Z wmD‡Wvwm‡jvg †`Lv hvq? [w`.†ev. 2019] A. Fasciola hepatica B. Taenia solium C. Ascaris lumbricoides D. Metaphire posthuma Ans C 03. AcÖwZmvg¨Zvi D`vniY †KvbwU? [w`.†ev. 2017] A. Volvox B. Pila C. Hydra D. Julus Ans B Jashore Board 01. Kjv msMVb gvÎvi ce© n‡jvÑ [h.†ev. 2017] A. Porifera B. Cnidaria C. Nematoda D. Chordata Ans B Cumilla Board 01. †Kvb cÖvYxwU wØ-Aixq cÖwZmg? [Kz.†ev. 2017] A. Metridium B. Clioda C. Ceoloplana D. Auredia Ans C Barisal Board 01. wb‡¤œi †Kvb cÖvYx A¨vwm‡jv‡gU? [e.†ev. 2017] A. Ascaris lumbricoides B. Taenia solium C. Metaphire posthuma D. Julus rerrestris Ans B CONCEPT 02 mKj c‡e©i ¸iæZ¡c~Y© Z_¨vewj c‡e©i bvg •ewkó¨ †kÖwY D`vniY cwi‡div (¯úÄ/wQ`ªvj cÖvYx) bvgKviK: Grant (1836) kbv³K…Z cÖRvwZ: 8659 (AvRgj), 15000 (Avwjg) G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges cÖvYxiv wbðj| G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨ wQ`ªhy³| msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K| †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l cwi‡ewóZ cÖ‡Kvô _v‡K| bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q AmKz¨jv‡g gy³ nq| Class-1: Calcarea (gUKv ¯úÄ) Class-2: Hexactinellida (`wo ¯úÄ) Class-3: Demospongiae (wgVv cvwbi ¯úÄ)| Spongilla lacustris (wgVv cvwbi ¯úÄ) Cliona celata (jvj ¯úÄ) Cholina Sp Euspongia officinalis (†Mvmj ¯úÄ) Scypha gelatinosum (gUKv ¯úÄ) TRICKS & TIPS TnT Mnemonic: bxj cix †Kb ¯^‡cœ Avmj| bxj bvjxZš¿ cix Pore (wQ`ª) †Kb †Kvqv‡bvmvBU ¯^‡cœ ¯ú‡Ävwmj, ¯úwÄb, w¯úwKDj Avm‡jv Aw÷qv, AmKz¨jvg

344 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES c‡e©i bvg •ewkó¨ †kÖwY D`vniY wbWvwiqv (mgy‡`ªi Rain forest ev mgy‡`ªi dzj) bvgKviK: Hatschek (AvRgj) ev Leuckart (Avjxg) (1888) kbv³K…Z cÖRvwZ: 10203 (AvRgj), 9000 (Avjxg) `yB †Kvl ¯Í‡ii g‡a¨ †g‡mvwMøqv bvgK A‡Kvlxq ¯Íi we`¨gvb| †`nvf¨šÍ‡i wm‡j‡›Uib bvgK cwicvK msenb MnŸi _v‡K| RxebP‡µ w¯’i cwjc (Polyp) ev gy³ mÂvibkxj †gWzmv (Medusa) `kv cvIqv hvq, eûiƒwcZv †`Lv hvq| †bgv‡Uvwm÷ aviYKvix wb‡WvmvBU †Kvl _v‡K| mvgyw`ªK cÖRvwZi 25% cÖevj cÖvPxi •Zwi K‡i Ges 20 cÖRvwZ ¯^v`y cvwb‡Z evm K‡i| Class-1: Hydrozoa (nvBWªv) Class-2: Scyphozoa (†Rwjwdk) Class-3: Cubozoa (e· †Rwjwdk) Class-4: Anthozoa (mgy`ª cvjK) Metridium Hydra viridis (nvBWªv) Aurelia aurita (†Rwjwdm) Physalia physalis (dvB‡mwjqv) Pennatula sulcata (mgy‡`ªi Kjg) TRICKS & TIPS TnT Mnemonic: wm‡j‡Ui †g‡m cwbi wدÍix wm‡j‡Ui wm‡j‡›Uib †g‡m †gWzjv, †g‡mvwMøqv cwbi cwjc, wb‡WvmvBU, †bgv‡Uvwm÷ wدÍix †Kvl cøvwU‡njwgb‡_m (P¨vÞv K…wg) bvgKviK: Minot (1876) kbv³K…Z cÖRvwZ: 29487 (AvRgj), 29500 (Avjxg) Giv Dfqwjw½K I †`n wmwjqvhy³ GwcWvwg©m A_ev wKDwUKj Øviv Ave„Z| wkLv‡Kvl bvgK †Kv‡li mvnv‡h¨ †iPb m¤úv`b K‡i| †PvlK A_ev ûK A_ev DfqB _v‡K| jvf©v`kv †`Lv hvq| †iPbZš¿ wkLv‡Kvl I †iPb bvwj w`‡q MwVZ| Class-1: Turbellaria (cø¨v‡bwiqv) Class-2: Trematoda (hK…Z K…wg) Class-3: Monogenea (m¨vjgb K„wg) Calss-4: Cestoda (wdZvK…wZ) Fosciola hepatica (hK…Z K…wg) Schistosoma mansoni (i³ K…wg) Echinococcus granulosus Taenia solium (wdZv K…wg) TRICKS & TIPS TnT Mnemonic: wkLv Avcy wZb ev‡ii gZ †Pvi wkLv wkLv‡Kvl Avcy A¨vwm‡jv‡gU, c¨v‡ibKvBgv †Kvl, ciRxex wZb ev‡ii gZ wίÍix †Pvi †PvlK †bgv‡UvWv (bjvKvi cÖvYx) bvgKviK: Gogenbour (1859) kbv³K…Z cÖRvwZ: 25033 (AvRgj), 12500 (Avjxg) †`n Bjvw÷b wbwg©Z A‡Kvlxq wKDwUK‡j Ave„Z| k^mbZš¿ I msenbZš¿ Abycw¯’Z| †h․b wØiƒcZv †`Lv hvq, b‡ji †fZi bj (Tube within a tube) _v‡K| myZv K…wg (Thread worm) ev †MvjK…wg (Round worm) bv‡g cwiwPZ| Class-1: Secernentea (†MvjK…wg) Class-2: Adenophorea (PveyK K…wg)| Ascaris lumbricoides (†MvjK…wg) Enterobius vermicularis (¸ov K…wg) Wuchereria bancrofti (dvB‡jwiqv K…wg) Ancylostoma duodenale (ûKK…wg) Loa loa (†PvL K…wg) Trichuris trichuria (PveyK K…wg) TRICKS & TIPS TnT Mnemonic: Neymar Gi mskq †K‡U, AZtci wØcvI wmDj †Mj Neymar Nematoda mskq i³msenbZš¿ k¦mbZš¿ bvB bvB †K‡U wKDwUKj Tube within a tube AZtci AšÍtciRxex wØcv wØcvk¦x©q cÖwZmg wmDj †Mj wmD‡Wvwm‡jv‡gU gjv¯‥v (K‡¤^vR cÖvYx) bvgKviK: Linnaeus (1758) (AvRgj) ev Jonston (Avjxg) kbv³K…Z cÖRvwZ: 84977 (AvRgj), 100000 (Avjxg) cÖvYx RM‡Zi wØZxq e„nËg ce© wØcvk^©xq cÖwZmvg¨ (M¨v‡÷ªv‡cvWv e¨ZxZ)| g¨v›Uj bvgK cvZjv †Lvj‡K Ave„Z| g¨v›Uj w`‡q k^mb m¤úbœ nq Ges Aa©gy³ msenbZš¿ †`Lv hvq| gyL MnŸi KvBwUb wbwg©Z, i¨vwZ wRnŸv ev i¨vWzjv _v‡K| †`nMnŸi wn‡gvwm‡j cwiYZ nq| i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU _v‡K Ges wWg cv‡o| Class-1: Caudofoveata (PKP‡K K…wg) Class-2: Polyplacophora (KvBUb) Class-3: Gastropoda (kvgyK) Class-4: Bivalvia (wSbyK) Calss-5: Cephalopoda (A‡±vcvm) Helix pormatia (evMvb kvgyK) Pila globosa (Av‡cj kvgyK) Sepia officinalis Loligo edulis Lamellidens marginalis (¯^v`y cvwbi wSbyK) Sepia offcinalis (K¨vUj wdk)

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 345 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES c‡e©i bvg •ewkó¨ †kÖwY D`vniY TRICKS & TIPS TnT Mnemonic: †g›Uvj wngy Avwg©, i¨ve‡K wcUvq †g›Uvj g¨v›Uj wngy wn‡gvwmj, wn‡gvmvqvwbb Avwg© A¨vwg‡evmvBU i¨ve i¨vWzjv †K KvBwUb A¨vwbwjWv (A½yixgvj cÖvYx) bvgKviK: Lamarck (1809) kbv³K…Z cÖRvwZ: 17388 (AvRgj), 17000 (Avjxg) †`n wØcvk©xq cÖwZmg Ges wKDwUK‡j Ave„Z _v‡K| Pjb A½ KvBwUbgq wmwU ev †ckj c¨viv‡cvwWqv| †bwd«wWqv bvgK c¨vPv‡bv bvwjKv cÖavb †iPb A½ wn‡m‡e KvR K‡i| i³msenbZš¿ e× Ges i³i‡m wn‡gv‡Møvweb, wn‡gvGwiw_ªb A_ev †K¬v‡ivµ‡qvwib _v‡K| †Uªv‡Kv‡dvi bvgK jvf©vi weKvk N‡U Ges cÖK…Z LÛvqb Dcw¯’Z| Class-1: Polychaeta (†bwim) Calss-2: Oligochaeta (†Ku‡Pv) Class-3: Hirudinea (†RuvK) Metaphire posthuma (†Ku‡Pv) Nenthes virens (†bwim) Hirudinaria manillensis/medicinalis (†RuvK) Tubifex tubifex (i³ wKU) TRICKS & TIPS TnT Mnemonic: ATN Gi PC eÜ I LÐ LÐ A Annelida T Trochophore N Nephridia P Parapodia C Cuticle eÜ e× msenbZš¿ LÐ LÐ cÖK…Z LÐKvqb Av‡_ª©v‡cvWv (mÜxc`x cÖvYx) bvgKviK: Von Siebold (AvRgj) ev Latreille (KvBqyg) (1848) kbv³K…Z cÖRvwZ: 1257040 (AvRgj), 1257000 (Avjxg) cÖvYxRM‡Zi me‡P‡q eo ce© AšÍtwb‡lK nq Ges †gUvgiwdRg (iƒcvšÍi) N‡U| g¨vjwcwRqvb bvwjKv †iPb A½, i³ msenbZš¿ Db¥y³| †`n mwÜhy³ Dcv½wewkó Ges U¨vMgvUvq wef³| gv_vq A¨v‡›Ubv I GK‡Rvov cyÄvwÿ _v‡K| wn‡gvwmj bvgK †`n MnŸi _v‡K| ewnt¯
 K¼vj KvBwUb wbwg©Z Ges wbqwgZ †gvwPZ nq| Class- Arachnida (gvKomv) Class- Melacostraca (wPswo) Class- Diplopoda (kZc`x) Class- Insecta (†Zjv‡cvKv) Carcinus manius (KvuKov) Penaeus monodon (evM`v wPswo) Periplaneta americana (†Zjv‡cvKv) Culex Pipiens (gkv) Musca domestica (gvwQ) TRICKS & TIPS TnT Mnemonic: wngy I Avwg UvmwK †Ljvg wngy wn‡gvwmj Avwg A¨v‡›Ubv g¨vjwcwRqvb bvwjKv UvmwK U¨vMgvUv mwÜcw` KvBwUb †Ljvg cyÄvwÿ GKvB‡bvWvg©vUv (K›UKZ¡K cÖvYx) bvgKviK: Jacob klein (1734) kbv³K…Z cÖRvwZ: 7550 (AvRgj), 7500 (Avjxg) mKj m`m¨B mvgyw`ªK| c~Y©v½ cÖvYxiv cÂAixq cÖwZmvg¨ Ges †`n †g․wLK I we‡g․wLK Z‡j web¨¯Í (†g․wLK Z‡j 5wU A¨v¤^yj¨vµvj Lv` _v‡K)| cvwb msenbZš¿ Dcw¯
Z, Gi mswkøó wUDe wdU G‡`i PjbA½| †iPbZš¿ I i³ msenZš¿ Abycw¯
Z Z‡e wngvj I †cwiwngvjZš¿ msenbZ‡š¿i KvR K‡i| †`L‡Z Zvivi g‡Zv| Class-1: Crinoidea (mgy`ª cÙv) Class-2: Concentricycloidea (mvMi †WBwR) Class-3: Asteroidea (mgy`ª Zviv) Class-4: Ophiuroidea (mc© Zviv) Class-5: Echinoidea (mvMi AvwP©b) Class-6: Holothuroidea (mgy`ª kmv) Asterias vulgaris (mgy`ª Zviv) Holothuria impatiens (mgy`ªkmv) TRICKS & TIPS TnT Mnemonic: KvKvi cuvPUv wewe wnDR my›`ix KvKvi KÈKgq cuvPUv cÂAixq wUDe wdU wewe we‡g․wLK/†g․wLK wnDR wngvj/†cwiwngvj my›`ix mvgyw`ªK (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

346 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question Platyhelminthes Ges Nemathelminthes Gi cuvPwU cÖavb cv_©K¨ wjL| [DU. 20-21] DËi: Platyhelminthes Ges Nemathelminthes Gi cuvPwU cv_©K¨: Platyhelminthes Nemathelminthes/Nematoda †`n P¨vÞv †`n bjvKvi wkLv‡Kvl †iPbZš¿ wnwm‡e KvR K‡i †iPbZš¿ _v‡K bv Giv P¨vÞv ev wdZvK…wg bv‡g cwiwPZ Giv myZvK…wg ev †MvjK…wg bv‡g cwiwPZ wm‡jvg Abycw¯
Z my¨‡Wvwm‡jv‡gU cÖvYxiv Dfwj½ AwaKvsk cÖvYxiv GKwj½ wb‡¤œv³ cÖvYx‡`i •eÁvwbK bvg wjL| [DU. 19-20] a. †MvjK…wg b. Av‡cj kvgyK c. †RuvK d. iæBgvQ e. Nwoqvj f. †`v‡qj| DËi: cÖvwYi bvg •eÁvwbK bvg cÖvwYi bvg •eÁvwbK bvg †MvjK…wg Ascaris lumbricoides Av‡cj kvgyK Pila globosa †RuvK Hirudinaria medicinalis iæBgvQ Labeo rohita Nwoqvj Gavialis gangeticus †`v‡qj Copsychus saularis A¨vwbwjWv c‡e©i cÖvYx‡`i •ewkó¨mg~n wjL| [PUST. Unit-A, 19-20] DËi: A¨vwbwjWvi •ewkó¨ : 1. †`n j¤^v, bjvKvi, wØcvk¦©xq cÖwZmg, Gwc‡_wjqvg wbtm„Z cvZjv wKDwUKj-G Ave„Z Ges cÖK…Z wm‡jvghy³| 2. cÖK…Z LÛKvqb (True segmentation) Dcw¯
Z, G‡`i Pjb A½ KvBwUbgq wmwU (Setae) ev †ckj c¨viv‡cvwWqv (Parapodia)| 3. †bwd«wWqv (Nephridia) bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ wn‡m‡e KvR K‡i| 4. i³ msenbZš¿ eÜ (Closed) cÖK…wZi| 5. †c․wóKbvwj bjvKvi I m¤ú~Y©; gyL I cvqywQ`ª mgwš^Z| 6. c‡ivÿ cwiùzU‡bi †ÿ‡Î gy³ muvZviæ †Uªv‡Kv‡dvi (Trochophore) bvgK jvf©vi weKvk N‡U| Mollusca I Arthropoda c‡e©i 5wU K‡i •ewkó¨ wjL| [JnU. 18-19, Shift-1] DËi: Mollusca c‡e©i 5wU •ewkó¨: i) †`n big, gvsmj I ALÛKvwqZ| ii) g¨v›Uj bvgK cvZjv Avei‡Y †`n Ave„Z| iii) gyLweŸ‡i KvBwUb wbwg©Z GKwU †iwZ wRnŸv ev i¨vWzjv _v‡K| iv) i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU KwYKv _v‡K| v) Aa©gy³ msenbZš¿ †`Lv hvq| Arthropoda c‡e©i 5wU •ewkó¨ i) g¯Í‡K GK‡Rvov ev `y‡Rvov A¨v‡›Ubv I mvaviYZ GK‡Rvov cyÄvwÿ _v‡K| ii) ewntK¼vj KvBwUb wbwg©Z Ges wbqwgZ †gvwPZ nq| iii) i³ msenbZš¿ Db¥y³ GwU c„ôxq ms‡KvPbkxj ürhš¿, agwb Ges wn‡gvwmj wb‡q MwVZ| iv) †iPb A½ g¨vjwcwRqvb bvwjKv, GQvovI i‡q‡Q K·vj, A¨v‡›Ubvj ev g¨vw·jvwi MÖwš
| v) †`n mwÜhy³ Dcv½wewkó, wØ-cvk^©xq cÖwZmg, LÛKvwqZ Ges U¨vMgvUvq wef³| cÖvYx¸‡jvi •eÁvwbK bvg wjL? i. wMwbwcM ii. K¨vUj wdk iii. cÖRvcwZ iv. mgy`ª Zviv v. †Zjv‡cvKv DËi: cÖvYxi bvg •eÁvwbK bvg wMwbwcM Cavia porcellus K¨vUj wdk Sepia officinalis cÖRvcwZ Pieris brassicae mgy`ª Zviv Astropecten euryacanthus †Zjv‡cvKv Periplaneta americana Nematoda c‡e©i 5wU •ewkó¨ wjL? DËi: Nematoda-i •ewkó¨: 1. †`n bjvKvi, wØcvk¦©xq cÖwZmg, Dfq cÖvšÍB µgk miæ I ga¨fvM PIov; AvYyexÿwYK †_‡K GK wgUvi ch©šÍ j¤^v| 2. cÖvYxiv my¨‡Wvwm‡jv‡gU (AcÖK…Z wm‡jvghy³) I ALÐKvwqZ| 3. †`n bgbxq; Bjvw÷b wbwg©Z A‡Kvlxq, cyiæ cÖwZ‡ivaÿg wKDwUKj w`‡q Ave„Z| 4. k¦mbZš¿ I msenbZš¿ Abycw¯
Z| 5. AwaKvsk cÖvYx GKwj½, †h․b wØiƒcZv †`Lv hvq|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 347 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES cwi‡div c‡e©i 5wU cÖvYxi •eÁvwbK bvg mn D`vniY `vI? DËi: cwi‡div c‡e©i 5wU cÖvYxi bvg n‡jv: Euplectella aspergillum (BD‡cø‡±jv), Hyalonema (nvqv‡jv‡bgv), Leucosolenia (wjD‡Kv‡mv‡jwbqv), Scypha gelatinosum (mvBKb), Spongilla lacustris (¯úwÄjv)| †h․b wØiƒcZv ej‡Z Kx eyS? DËi: GKB cÖRvwZi ¯¿x I cyiæl m`m¨ eY© AvKvi, AvK…wZ ev MvVwbKfv‡e c„_K n‡j Zv‡K †h․b wØiƒcZv e‡j| eûiƒwcZv Kx? [wm. †ev. 2017] DËi: †Kv‡bv cÖvYxi RxebP‡µ hw` GKvwaK ai‡bi `kv †`Lv hvq Zv‡`i‡K eûiƒcZv e‡j| †hgb- Cnidaria c‡e©i cÖvYx‡`i cwjc I †gWzmv `kv we`¨gvb| Aw÷qv Kx? [iv. †ev. 2017] DËi: Porifera c‡e©i cÖvYxi (†hgb- Scypha gelatinosun ) †`ncÖvPx‡i Aew¯
Z AmsL¨ ÿz`ª ÿz`ª wQ`ª‡K Aw÷qv e‡j| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. P¨vÞv K„wgi •eÁvwbK bvg wK? [DU. 20-21] A. Loa loa B. Fasciola hepatica C. Ascaris lumbricoides D. None of them Ans B Why wewfbœ cÖvwYi •eÁvwbK bvg: •eÁvwbK bvg bvg Loa loa †Mvj K…wg (†PvL K…wg) Fasciola hepatica P¨vÞv K…wg (hK„Z K…wg) Ascaris lumbricoides †Mvj K…wg (†Ku‡Pv K…wg) 02. g¨v›Uj wb‡Pi †Kvb c‡e©i •ewkó¨? [DU. 20-21] A. Arthropoda B. Mollusca C. Annelida D. Echinodermata Ans B Why gjv¯‥v c‡e©i •ewkó¨: wØcvk^©xq cÖwZmvg¨ (M¨v‡÷ªv‡cvWv e¨ZxZ)| g¨v›Uj bvgK cvZjv †Lvj‡K Ave„Z| g¨v›Uj w`‡q k^mb m¤úbœ nq Ges Aa©gy³ msenbZš¿ †`Lv hvq| gyL MnŸi KvBwUb wbwg©Z, i¨vwZ wRnŸv ev i¨vWzjv (Bivalvia e¨ZxZ) _v‡K| †`nMnŸi wn‡gvwm‡j cwiYZ nq| i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU _v‡K Ges wWg cv‡o| 03. wkLv‡Kvl †h c‡e©i •ewkó¨- [DU.19-20] A. Av‡_ª©v‡cvWv B. A¨vwbwjWv C. gjv¯‥v D. cøvwU‡njwgb‡_m Ans D Why cøvwU‡njwgb‡_m Gi •ewkó¨: i. A¨vwm‡jv‡gU ii. †PvlK ev ûK iii. †iPbZš¿ kvLv-cÖkvLv hy³ †iPbbvwj I wkLv †Kvl (Flame cell) w`‡q MwVZ| iv. AwaKvsk ciRxex Ges A‡bK ai‡bi jvf©v `kv we`¨gvb| 04. ¯‥zBW †h ce©fz³ cÖvYx- [DU. 18-19] A. Porifera B. Platyhelminthes C. Mollusca D. Nematoda Ans C Why ¯‥zBW, kvgyK, A‡±vcvm BZ¨vw` gjv¯‥v c‡e©i cÖvYx| 05. g¨v›Uj †Kvb c‡e©i cÖvYx‡Z †`Lv hvq? [DU.17-18,01-02;CU.15-16,12-13; BAU. 01-02; BSMRSTU. 18-19] A. Protozoa B. Arthropoda C. Mollusca D. Echinodermata Ans C Why gjv¯‥v c‡e©i cÖvYx‡`i g¨v›Uj bvgK cvZjv Avei‡Y †`n Ave„Z| g¨v›Uj †_‡K ÿwiZ c`v‡_© Pzbgq †LvjK MwVZ nq| mvaviYZ †Lvj‡Ki g‡a¨ cÖvYx Ae¯
vb K‡i| 06. cÖevj †Kvb ce©fz³? [DU.16-17] A. cwi‡div B. wbWvwiqv C. A¨vwbwjWv D. KW©vUv Ans B Why cÖevj I cÖevj cÖvPxi MVbKvix cÖvYxiv wbWvwiqv c‡e©i m`m¨| GRb¨ wbWvwiqvb cÖvYx‡`i mgy‡`ªi dzj ejv nq| 07. †Kvb cÖvYxK~‡ji wZb †Rvov e¶t‡`kxq cv I GK‡Rvov ï½ Av‡Q? [DU.15-16] A. KuvKov (Crab) B. wPswo (Shrimp) C. gvKomv (Spider) D. cÖRvcwZ (Butterfly) Ans D Why cÖRvcwZ cÖvYxKz‡ji wZb †Rvov eÿt‡`kxq cv I `y‡Rvov Wvbvi ms‡hvM mvab K‡i Ges enb K‡i I GK‡Rvov ï½ Av‡Q| 08. mwÜhy³ c` †Kvb c‡e©i cÖvwY‡`i cÖavb •ewkó¨? [DU.14-15,BAU.09-10] A. A¨vwbwjWv B. GKvB‡bvWvg©vUv C. Av‡_©ªv‡cvWv D. KW©vUv Ans C Why Av‡_ª©v‡cvWv c‡e©i cÖvYx‡`i †`n mwÜhy³ Dcv½wewkó, wØcvk^©xq cÖwZmg, LÛKvwqZ Ges U¨vMgvUvq wef³| 09. A¨vwgevi Pjb A‡½i bvg wK? [DU.13-14] A. gvB‡µvwfjvB B. wmD‡Wv‡cvwWqvg C. wmwjqv D. d¬v‡Rjv Ans B Why A¨vwgevi Pjb A‡½i bvg wmD‡Wv‡cvwWqvg| ÿYc`, d¬v‡Rjv ev wmwjqv bvgK A‡½i gva¨‡g ev †`n‡Kv‡li ms‡KvPb cÖmviY Øviv PjvPj K‡i| 10. Zviv gv‡Qi nviv‡bv evû cybtMV‡bi c×wZ? [DU.08-09] A. Regeneration B. Automixes C. Budding D. Fusion Ans A Why Regeneration ej‡Z eySvq g„Z †Kvl RxweZ nq ev nviv‡bv evû cybtMVb c×wZ| Automixis A_© n‡”Q cv‡_©v‡R‡bwmm cÖwµqv, Fusion A_© n‡”Q wgjb| 11. †Rwjwd‡mi jvf©vi bvgÑ [DU.06-07] A. Tornaria B. Ephyra C. Trochophore D. Ammoecete Ans B Why wewfbœ jvf©v: ce©/Dcce© jvf©vi bvg Porifera A¨vwçeøv÷zjv ev c¨v‡ibKvBgyjv Cnidaria Plannula Platyhelminthes †iwWqv, mviKvwiqv, †¯úv‡ivwm÷, wmw÷mviKvm Mollusca †Uªv‡Kv‡dvi ev †fwjRvi ev MøwPwWqvg Annelida †Uªv‡Kv‡dvi Echinodermata evBwcbvwiqv, AwiKz¨jvwiqv, AwdDwKUvm ev GKvB‡bvwKUvm Urochordata I Amphibia U¨vW‡cvj Petromyzontida ev j¨vg‡cÖ A¨v‡gvwmU 12. †Kvb c‡e©i cÖvwY‡Z †Kvqv‡bvmvBU _v‡K? [DU.06-07; JU:D,17-18; RU:G,10-11] A. Protozoa B. Cnidaria C. Porifera D. Crustacea Ans C 13. wkLv‡Kvl _v‡K †Kvb cÖvwY‡Z? [DU.05-06; BU:F2, 12-13] A. Carcinus maenas B. Hirudo medicinalis C. Schistosoma mansoni D. Hydra viridis Ans C Why cøvwU‡njwgb‡_m c‡e©i cÖvYx‡`i i³ msenb I k^mbZš¿ Abycw¯
Z; †iPbZš¿ kvLv-cÖkvLvhy³ †iPbbvwj I wkLv †Kvl wb‡q MwVZ|

348 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 14. †KvbwU‡Z †bwd«wWqv †bB? [DU.04-05] A. Pheretima posthuma B. Hirudinaria viridis C. Wucheria bancrofti D. Neanthes virsens Ans C Why A¨vwbwjWv c‡e©i cÖvYx‡`i †`‡ni cÖvq cÖwZwU LÛ‡K Aew¯
Z †bwd«wWqv bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ _v‡K| †hgb- Tubifex tubifex| 15. cvwb msenbZ‡š¿i Dcw¯’wZ †Kvb c‡e©i cÖvwY‡Z †`Lv hvq? [DU.02-03; CU.17-18] A. Porifera B. Echinodermata C. Mollusca D. Chordata Ans B Ans B Why GKvB‡bvWvg©vUv c‡e©i cÖvYx‡`i †`‡ni wfZ‡i wm‡jvg †_‡K m„ó Abb¨ Mo‡bi cvwb msenbZš¿ i‡q‡Q| STEP 02 ANALYSIS OF JU QUESTION 01. cwi‡div c‡e© †KvbwU _v‡K? [JU-D, Set-T. 20-21] A. †g‡mvwMøqv B. †b‡gv‡Uvwm÷ C. Aw÷qv D. g¨v›Uj Ans C Why cwi‡div c‡e©i •ewkó¨: G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges cÖvYxiv wbðj| G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨ wQ`ªhy³| msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K| †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l cwi‡ewóZ cÖ‡Kvô _v‡K| bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q AmKz¨jv‡g gy³ nq| 02. Cnidaria ce©‡K KqwU †kÖwY‡Z fvM Kiv n‡q‡Q? [JU-D, Set-F. 20-21] A. 7 B. 5 C. 4 D. 3 Ans C Why Cnidaria ce©‡K 4wU †kÖwY‡Z fvM Kiv hvq: 1. Hydrozoa, 2. Scyphozoa, 3. Cubozoa, 4. Anthozoa. 03. †Kvb cÖvYx‡Z w¯úwKDj we`¨gvb? [JU: Unit-D; Set-M;19-20] A. Aurelia B. Ascaris C. Spongilla D. Astropecten Ans C Why Spongilla cwi‡div ce©fz³ cÖvYx| G c‡e© w¯úwKDj ev ¯úwÄb †`‡ni KvVv‡gv MVb K‡i| Avi ¯ú‡Ävwmj bvgK †`n MnŸi AmKz¨jvg bvgK wQ`ªc‡_ †`‡ni evwn‡i Db¥y³ nq| 04. Abb¨ Mo‡bi cvwb msenbZš¿ cvIqv hvq †KvbwU‡Z? [JU: Unit-D, Set-A/B;19-20] A. Astropecten B. Pila C. Spongilla D. Aurelia Ans A Why GKvB‡bvWvg©vUv c‡e©i cÖvYx‡`i †`‡ni †fZ‡i wm‡jvg †_‡K m„ó Abb¨ Mo‡bi cvwb msenbZš¿ i‡q‡Q| Astropecten euryacanthus n‡”Q GKvB‡bvWvg©vUv c‡e©i cÖvYx| 05. †Kvb c‡e©i cÖvYx‡`i mgy‡`ªi dzj ejv nq? [JU:D;Set-I,18-19] A. Protozoa B. Porifera C. Rotifera D. Cnidaria Ans D 06. †Kvb c‡e©i cÖvYx‡Z †bgv‡Uvwm÷ aviYKvix wb‡WvmvBU bvgK we‡kl †Kvl _v‡K? [JU:D;Set-H,18-19] A. Porifera B. Nematoda C. Cnidaria D. Echinodermata Ans C 07. Arthropoda ce©f‚³ cÖvYxKz‡ji g‡a¨ †Kvb cÖvYxi `„wókw³ AwaKZi DbœZ? [JU:D;Set-I,18-19] A. Avi‡kvjv B. wPswo C. gkv D. Nvmdwos Ans D 08. †Kvb cÖvYx‡Z wn‡gvmvqvwbb _v‡K bv? [JU: D, 17-18] A. wSbyK B. mgy`ª-Zxi C. A‡±vcvm D. KvuKov Ans D 09. cwi‡div c‡e©i cÖvYx‡`‡n cvwb cÖ‡ek I †ei nIqvi wQ`ªØ‡qi bvg h_vµ‡gÑ [JU: D, 17-18; Set: 03] A. ¯ú‡Ävwmj, ¯úwÄb B. Aw÷qv, ¯úvwÄb C. AmKzjvg, ¯ú‡Ävwmj D. Aw÷qv, AmKz¨jvg Ans D 10. Cnidaria k‡ãi A_© Kx? [JU: D, 17-18; Set: 03] A. enb Kiv B. AvK…wZ C. iƒc D. mshy³ Ans D 11. †Kvb cÖvwYi †iPbZš¿ †bB? [JU:D,17-18] A. cvjK ÷vi B. †Ku‡Pv C. i³KxU D. †RuvK Ans A 12. †Kvb c‡e©i cÖvwY‡Z Uª‡Kv‡dvi jvf©v †`Lv hvq? [JU:D,17-18] A. Annelida B. Arthropoda C. Nematolda D. Cnidaria Ans A 13. wb‡Pi †KvbwU wbWvwiqv c‡e©i •ewkó¨ bq? [JU:D,15-16] A. Aixq cÖwZmg B. †g‡mvwMøqv _v‡K C. †`n g¨v›Uj Ave„Z D. †bgv‡Uvwm÷ _v‡K Ans C 14. Ectoporcta c‡e©i cÖvwY‡`‡ni gy‡Li PZzw`©‡K †h Kwk©Kvevnx A½ _v‡K Zvi bvg wK? [JU:D,13-14] A. cwjcvBW B. †jv‡dv‡dvi C. wmw÷W D. †fjvg Ans B 15. Cavia porcellus wb‡¤œi †Kvb order Gi AšÍf‚©³? [JU:D,13-14] A. Rodentia B. Columbiformes C. Vertebrata D. Cavidae Ans A 16. Fasciola hepatica †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D,12-13] A. Porifera B. Platyhelminthes C. Nematoda D. Annelida Ans B 17. Spongilla lacustris †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D,12-13] A. Protozoa B. Porifera C. Cnidaria D. Nematoda Ans B 18. Sepia officinalis †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D,12-13] A. Porifera B. Cnidaria C. Mollusca D. Echinodermata Ans C 19. cÖvwYwe`¨vi †Kvb kvLvq Platyheliminthes ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv nq? [JU.12-13] A. Nematology B. Helminthology C. Entomology D. Conchology Ans B 20. cÖvwYwe`¨vi †Kvb kvLvq Nematoda ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv nq? [JU. 12-13] A. Entomology B. Ichthyology C. Helminthology D. Nematology Ans D 21. cÖvwYwe`¨vi †Kvb kvLvq Arthropoda ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv nq? [JU:D, 12-13] A. Helminthology B. Nematology C. Entomology D. Herpetology Ans C 22. cÖvwYwe`¨vi †Kvb kvLvq Mollusca ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv nq [JU:D, 12-13] A. Ornithology B. Conchology C. Herpetology D. Entomology Ans B 23. Loa loa †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D, 12-13] A. Protozoa B. Platyhelminthes C. Nematoda D. Annelida Ans C 24. Iivjwmwi †KvbwU‡Z Dcw¯’Z? [JU:D,11-12] A. Urochordata B. Cephalochordata C. Cephalaspidomorphi D. Agnatha Ans B 25. †¯‥v‡j· cvIqv hvq †Kvb †kÖYxfz³ cÖvwY‡Z? [JU:D,11-12] A. Turbellaria B. Trematoda C. Monogenea D. Cestoda Ans D STEP 03 ANALYSIS OF RU QUESTION 01. wb‡¤œi †KvbwU Cnidaria c‡e©i cÖvYx bq? [RU. Moderna, Set-2. 20-21] A. Spongilla B. Aurelia C. Porpita D. Pennatula Ans A Why wewfbœ c‡e©i cÖvYx: c‡e©i bvg cÖvYxi bvg cwi‡div ¯úÄ wbWvwiqv †Rwjwdk, nvBWªv, Porpita cøvwU‡njwgb‡_m hK…ZK…wg, wdZvK…wg †bgv‡UvWv †PvLK…wg, †MvjK…wg gjv¯‥v kvgyK, wSbyK, A‡±vcvm A¨vwbwjWv †RuvK, †Ku‡Pv Av‡_©ªv‡cvWv wPswo, gkv, Nvmdwos, †g․gvwQ GKvB‡bvWvg©vUv Zviv gvQ

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 349 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 02. †bwd«wWqv wK? [RU: 19-20] A. †Ku‡Pvi Pjb A½ B. †Ku‡Pvi k¦mb A½ C. †Ku‡Pvi †iPb A½ D. †Ku‡Pvi cÖRbb A½ Ans C Why Annelida c‡e©i cÖvYx‡`i †`‡n cÖvq cÖwZwU LÛ‡K Aew¯
Z †bwd«wWqv bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ wn‡m‡e KvR K‡i| 03. “Flower of the sea” †Kvb c‡e©i cÖvYx‡`i ejv nq? [RU:SG-1,18-19] A. cwi‡div B. †bgv‡UvWv C. GKvB‡bvWvg©vUv D. wbWvwiqv Ans D 04. Vorticella †Kvb ce©fz³ cÖvYx? [RU.17-18] A. Annelida B. Protozoa C. Porifera D. Mollusca Ans B 05. wb‡Pi †Kvb cÖvwYwU Insecta †kÖwYi AšÍM©Z? [RU.17-18] A. gvKokv B. wPswo C. DKzb D. Ryjvm Ans C 06. wPswoi mvuZv‡ii cvÕ†K ejv nqÑ [RU: G2; 17-18] A. wcøI‡cvW B. †iv÷ªvg C. wcwiI‡cvW D. BD‡iv‡cvW Ans A 07. †K cÖ_g cwi‡div ce©wUi bvgKiY K‡ib? [RU.15-16] A. Hatchek B. Grant C. Cuvier D. Schultz Ans B 08. †Ku‡Pvi cwicvKZ‡š¿i Avwš¿K wmKvg KZZg LÛvs‡k Aew¯’Z? [RU.12-13] A. 26 Zg B. 17 Zg C. 50 Zg D. 30 Zg Ans A 09. hK…Z K…wgi •eÁvwbK bvg n‡jv- [RU.12-13] A. Asccals lumbricides B. Fasciola hepatica C. Wuchereria bancrofti D. Duodenale Ans B 10. Cnidaria c‡e©i †Kvb †kÖYx‡Z †gWzmv `kv †bB? [RU.12-13] A. Scyphozoa B. Anthozoa C. Cubozoa D. Hydrozoa Ans B 11. Mollusca c‡e©i cÖvwY‡`i Shell ‣Zwi nq †KvbwU w`‡q? [RU.12-13] A. K¨vjwmqvg Kve©‡bU B. K¨vjwmqvg dm‡dU C. K¨vjwmqvg A·v‡jU D. †mvwWqvg Kve©‡bU Ans A 12. †bgv‡UvWv c‡e©i cÖvYx‡`i Avwe¯‥…Z cÖRvwZi msL¨v KZ? [RU.11-12] A. 5000 B. 12000 C. 25000 D. 32000 Ans C 13. cwi‡div c‡e©i AšÍM©Z cÖvYx †Kvb&wU? [RU.11-12] A. Scypha B. Ascaris C. Metaphire D. Lamethdens Ans A 14. wb‡Pi †Kvb •ewÁvwbK bvgwU mwVK bq? [RU.11-12] A. †cuPv-Bubo bubo B. †MvLiv-Naja naja C. †mvbv e¨vO-Rana tigrina D. j¨vg‡cÖ- Sphyrna zyaena Ans D 15. wb‡Pi †KvbwU Arthropoda c‡e©i AšÍfz©³ bq? [RU.11-12] A. KuvKov B. wSbyK C. je÷vi D. AvwU©wgqv Ans B 16. †Ku‡Pvi †`‡ni K¬vB‡Ujvg †Kvb LÛmg~‡n Aew¯’Z? [RU: G, 10-11] A. 2-4 B. 6-8 C. 10-12 D. 14-16 Zg LÛmg~‡n Ans D 17. †KvbwU †cÖv‡Uv‡Rvqv c‡e©i cÖvwY‡`i Pjbv½vYy bq? [RU: G, 10-11] A. ¶Yc` B. d¬¨v‡Rjv C. wmwjqv D. †U›UvKj Ans D 18. †KvbwU †bgv‡UvWvi •ewkó¨ bq? [RU: G, 10-11] A. †`n bvjvK…wZ B. gyL I cvqy Av‡Q C. †`nweei AcÖK…Z wm‡jvg D. †`n LÛvwqZ Ans D 19. A¨vwgevi ¶Yc` m„wó‡Z AskMÖnY K‡i †KvbwU? [RU: F2, 10-11] A. ms‡KvPbkxj MnŸi B. Lv`¨MnŸi C. cvwb MnŸi D. wbDwK¬qvm Ans A STEP 04 ANALYSIS OF CU QUESTION 01. Echinodermata c‡e©i •ewkó¨ †KvbwU? [CU-A, Shift-3. 20-21] A. †`n AcÖwZmg B. †`n wKDwUKj Øviv Ave„Z C. †`n †LvjK Øviv Ave„Z D. ewntK¼vj K›UKgq Ans D Why GKvB‡bvWvg©vUv c‡e©i cÖvwYi •ewkó¨: c~Y©v½ cÖvYxiv cÂAixq cÖwZmvg¨ Ges †`n †g․wLK I we‡g․wLK Z‡j web¨¯Í (†g․wLK Z‡j 5wU A¨v¤^yj¨vµvj Lv` _v‡K)| cvwb msenbZš¿ Dcw¯
Z, Gi mswkøó wUDe wdU G‡`i PjbA½| †iPbZš¿ I i³ msenZš¿ Abycw¯
Z Z‡e wngvj I †cwiwngvjZš¿ msenbZ‡š¿i KvR K‡i| †`L‡Z Zvivi g‡Zv| 02. Jelly fish †Kvb ce©f~³ cÖvYx? [CU-A, Shift-1/4. 20-21] A. Annelida B. Cnidaria C. Porifera D. Arthropoda Ans B Why wewfbœ c‡e©i cÖvYx: c‡e©i bvg cÖvYxi bvg cwi‡div ¯úÄ wbWvwiqv †Rwjwdk, nvBWªv, Porpita cøvwU‡njwgb‡_m hK…ZK…wg, wdZvK…wg †bgv‡UvWv †PvLK…wg, †MvjK…wg gjv¯‥v kvgyK, wSbyK, A‡±vcvm A¨vwbwjWv †RuvK, †Ku‡Pv Av‡_©ªv‡cvWv wPswo, gkv, Nvmdwos, †g․gvwQ GKvB‡bvWvg©vUv Zviv gvQ 03. †Kvb c‡e©i cÖvYx‡Z Aw÷qv _v‡K? [CU-A, Shift-2. 20-21;JU-D.18-19] A. Chidaria B. Porifera C. Nematoda D. Annelida Ans B Why cwi‡div c‡e©i •ewkó¨: G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges cÖvYxiv wbðj| G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨ wQ`ªhy³| msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K| †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l cwi‡ewóZ cÖ‡Kvô _v‡K| bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q AmKz¨jv‡g gy³ nq| 04. †Kvb c‡e©i cÖvYx‡`i wn‡gvwm‡jv‡gU ejv nq? [CU-A, Shift-2. 20-21] A. Chidaria B. Arthopoda C. Nematoda D. Annelida Ans B Why Av‡_©v‡cvWv c‡e©i cÖvYx‡`i i³c~Y© †`nMnŸi‡K wn‡gvwmj e‡j Ges i³‡K wn‡gvwjç e‡j| 05. wm‡j‡›Uib cvIqv hvq †Kvb cÖvYx‡Z? [CU-A, Shift-3. 20-21] A. gvbyl B. Avi‡kvjv C. nvBWªv D. gvQ Ans C Why wbWvwiqv c‡e©i cÖvYx‡`i †`nvf¨šÍ‡i wm‡j‡›Uib bv‡g GKgvÎ cwicvK msenb MnŸi _v‡K hv GKwU wQ`ªc‡_ evB‡i Db¥y³| wQ`ªwU gyL I cvqyi KvR K‡i| nvBWªv GKwU wbWvwiqv c‡e©i cÖvwY| 06. †Kvb cÖvYxi †`n g¨v›Uj Øviv Ave„Z? [CU-A, Shift-4. 20-21] A. e¨vO B. nvBWªv C. †Zjv‡cvKv D. kvgyK Ans D Why gjv¯‥v c‡e©i cÖvwY‡Z g¨v›Uj cvIqv hvq| kvgyK GKwU gjv¯‥v c‡e©i cÖvwY| 07. gjv¯‥v Gi †`‡ni i³ msenb †Kvb ai‡bi? [CU.15-16] A. gy³ B. e× C. Aa©gy³ D. wn‡gvwmj E. †KvbwUB bq Ans C 08. Hydra /wbWvwiqv ce©fy³ cÖvwY‡`‡ni Af¨šÍ‡i †h MnŸi †`Lv hvq Zv‡K wK e‡j? [CU.14-15, JU:D,13-14] A. wm‡j‡›UiY B. ¯ú‡Ävwmj C. Av‡K©‡›UiY D. wn‡gvwmj Ans A 09. †g․gvwQ / wPswoi c‡e©i bvg wK? [CU.14-15; DU.03-04; PSTU. 14-15; BU. 14-15] A. mvB‡K¬v‡÷vgvUv B. Aw÷Kw_m C. Av‡_ª©v‡cvWv D. gjv¯‥v Ans C

350 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 10. †Ku‡Pvi Pjb A‡½i bvg | [CU.14-15] A. ¶Yc` B. †ckx C. †mM‡g›U D. wmwU E. jy‡gb Ans D 11. †Kvb c‡e©i cÖvwY‡`‡n wb‡Wveøvó bvgK `skb †Kvl _v‡K? [CU.14-15] A. Porifera B. Mollusca C. Coelenterata D. Chordata E. Arthropoda Ans C 12. †Kvb&wU wbWvwiqv (Cnidaria) ce©f‚³ cÖvYx bq- [CU.13-14] A. Obelia geniculata B. Aurelia aurita C. Carybdea alata D. Holothuria impatiesns Ans D 13. wb‡Pi †Kvb ce© D`vniY †RvovwU mwVK bq? [CU.12-13] A. Protozoa- Plasmodium B. Mollusca- Octopus C. Porifera- Spongilla D. Chordata- Macrobrachium Ans D 14. Octopus cÖvwYwU †Kvb c‡e©i AšÍfy©³? [CU:H, 11-12] A. Coelenterata B. Cotenophora C. Mollusca D. Echinodermata E. Porifera Ans C 15. mvM‡ii Rxe¯^i iZœ †Kvb c‡e©i cÖvwY‡`i ejv nq? [CU:G, 10-11] A. Protozoa B. Mollusca C. Arthropoda D. Coelenterata E. Arthropoda Ans D STEP 05 ANALYSIS OF DU-7 Clg QUESTION 01. Octopus †Kvb c‡e©i AšÍf©y³? [DU-7Clg. 19-20] A. Mollusca B. Arthropoda C. Echinodermata D. Chordata Ans A Why gjv¯‥v c‡e©i AšÍfz©³: Uroteuthis duvaucelli, Lamelliallens marginalis, Pinctada vulgaris, Pila globosa, Octopus macropus. 02. Musca domestica †Kvb c‡e©i cÖvYx? [DU-7Clg. 18-19] A. Annelida B. Arthropoda C. Mollusca D. Echinodermata Ans B STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question JnU 01. wkLv †Kvl †Kvb Z‡š¿ cvIqv hvq? [JnU.10-11; NU.11-12; MBSTU.12-13] A. RbbZš¿ B. K¼vjZš¿ C. †iPbZš¿ D. cwicvKZš¿ Ans C IU 01. wm‡j›Uib Av‡Q †Kvb cÖvYx‡Z? [IU.15-16] A. gvQ B. nvBWªv C. e¨vO D. wPswo Ans B 02. wdZv K…wgi •eÁvwbK bvg- [IU.02-03] A. Faciola hepatica B. Enterobius vermicularis C. Taenia solium D. Trichinella spiralis Ans C BRUR 01. †Ku‡Pv k¦vmKvh© PvjvqÑ [BRUR:F; 17-18] A. k¦mbZ‡š¿i mvnv‡h¨ B. Z¡‡Ki mvnv‡h¨ C. dzmdz‡mi mvnv‡h¨ D. dzjKvi mvnv‡h¨ Ans B BU 01. ¯ú‡Ävwmj cvIqv hvq c‡e©i cÖvwY‡Z- [BU.15-16] A. Artropoda B. Cnidaria C. Porifera D. Protozoa Ans C 02. †cvKvi (Insect) †`n cÖavbZ Kq fv‡M wef³? [BU: F2, 12-13] A. GK B. wZb C. `yB D. †KvbwUB bq Ans B PART B Analysis of Science & Technology Question SUST 01. Lamellidens marginalis †Kvb †kÖwYf‚³? [SUST.17-18] A. Malacostraca B. Bivalvia C. Gastropoda D. Hirudinae E. Calcarea Ans B JUST 01. g¨v›Uj bvgK MnŸi cvIqv hvq †Kvb c‡e©? [JUST: Unit-B; 19-20] A. A¨vwbwjWv B. †bgv‡UvWv C. gjv¯‥v D. cwi‡div Ans C Why gjv¯‥v c‡e©i cÖvYx‡`i †`‡n g¨v›Uj bvgK cvZjv Avei‡Y †`n Ave„Z| g¨v›Uj †_‡K ÿwiZ c`v‡_© Pzbgq †LvjK MwVZ nq| mvaviYZ †Lvj‡Ki g‡a¨ cÖvYx Ae¯
vb K‡ib| MBSTU 01. †g․gvwQ †Kvb †kÖYxi AšÍfz©³? [MBSTU: Unit-B; 19-20] A. Av‡_ª©v‡cvWv B. Gwcm C. Bb‡m±v D. nvB‡g‡bvc‡Uiv Ans C Why †g․gvwQ Av‡_©ªv‡cvWv c‡e©i Bb‡m±v †kÖwYi| BSMRSTU 01. †Kvb c‡e©i cÖvYx‡`i g‡a¨ Metamorphosis N‡U? [BSMRSTU:H, 18-19] A. wbWvwiqv B. A¨vwbwjWv C. Av‡_ª©v‡cvWv D. GKvB‡bvWvg©vUv Ans C Why Av‡_ª©v‡cvWv c‡e©i cÖvYx‡Z †gUvgi‡dvwmm ev iƒcvšÍi N‡U| 02. †Kvb cÖvYxi †iPbZš¿ wkLv †Kvl w`‡q MwVZ? [BSMRSTU. 17-18] A. Fasciola hepatica B. Trichinella spiralis C. Musca domestica D. Astropecten euryacanthus Ans A PUST 01. c¨viv‡cvwWqv we`¨gvb †KvbwU‡Z? [PUST: A.19-20] A. Mollusca B. Annelida C. Arthropoda D. Chordata Ans B Why A¨vwbwjWv c‡e©i •ewkó¨: †`n wKDwUK‡j Ave„Z I cÖK…Z wm‡jvghy³| cÖK…Z LÐKvqb Ges KvBwUbgq wmwU ev †ckj c¨viv‡cvwWqv we`¨gvb| †bwd«wWqv bvgK c¨uvPv‡bv bvwjKv †iPb A½ wn‡m‡e KvR K‡i| i³msenbZš¿ e× Ges gy³ muvZviæ †Uªv‡Kv‡dvi jvf©v we`¨gvb| 02. wb‡Pi †Kvb c‡e©i cÖvwY‡`i g‡a¨ bvwjKv c` †`L‡Z cvIqv hvq? [PUST:B, 17-18] A. Porifera B. Cnidaria C. Mollusca D. Echinodermata Ans D HSTU 01. c¨v‡iv‡cvwWqvg Kx ai‡bi A½? [HSTU. 15-16] A. †iPb B. kÖeY C. Pjb D. `k©b Ans C Why Annelida c‡e©i cÖvYx‡`i Pj‡bi Rb¨ KvBwUbgq wmwU I †ckj c¨viv‡cvwWqv _v‡K| 02. †KvbwU Dfq wj½ cÖvYx? [HSTU. 13-14] A. †Ku‡Pv B. e¨vO C. †Zjv‡cvKv D. G¨vwgb Ans A NSTU 01. †Ku‡Pv (Metaphire posthuma) †Kvb c‡e©i cÖvYx? [NSTU. 14-15] A. Porifera B. Mollusca C. Chordata D. Annelida Ans D Why Annelida c‡e©i cÖvYx: †bwim, †Ku‡Pv, ‡RuvK| 02. cÖK…wZi jv½j †KvbwU? [NSTU. 14-15] A. †Zjv‡cvKv B. †Ku‡Pv C. nvBWªv D. A¨vwgev Ans B 03. wPswoi i³Ñ [NSTU. 14-15] A. Kv‡jv B. meyR C. njy` D. eY©nxb Ans D

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 351 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES PSTU 01. †Kvb cÖvYxi †`n AvswUi b¨vq eû L‡Û wef³? [PSTU. 15-16] A. †bwim B. †Zwbqv C. d¨vwmIjv D. ¯ú¨vwÄjv Ans A Why †bwim Annelida c‡e©i cÖvwb, G‡`i †`‡n LÛKvqb we`¨gvb| 02. †Zjv‡cvKv †Kvb c‡e©i cÖvYx? [PSTU. 13-14] A. Av‡_©vc‡Uiv B. Av‡_ª©v‡cvWv C. wWKwUIc‡Uiv D. AvB‡mvc‡Uiv Ans B STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. cÖvwYRM‡Zi e„nËg Phylum †KvbwU? [MAT.2020-21] A. Arthropoda B. Porifera C. Mollusca D. Annelida Ans A Why Av‡_ª©v‡cvWv c‡e©i cÖvwYi msL¨v 12,57,040wU| GwU cÖvwY RM‡Zi e„nËg ce©| wewfbœ c‡e©i cÖRvwZ msL¨v: cÖavb c‡e©i bvg Avwe®‥…Z cÖRvwZi msL¨v cÖavb c‡e©i bvg Avwe®‥…Z cÖRvwZi msL¨v Porifera 8.659 Cnidaria 10,203 Platyhelminthes 29,487 Nematoda 25,033 Mollusca (2q e„nËg ce©) 84,977 Annelida 17,388 Arthropoda 1,257,040 Chordata 68,626 Echinodermata 7,550 02. c„w_exi Avw`cÖvYx †h c‡e©i AšÍfz©³ Zv n‡jv- [MAT.12-13] A. wm‡j›Uv‡iUv B. cwi‡div C. †cÖv‡Uv‡Rvqv D. wbWvwiqv Ans C 03. gyLwee‡i Ôi¨vWzjvÕ bvgK Ask _v‡K †Kvb c‡e©i cÖvYx‡Z? [MAT.18-19] A. Chordata B. Mollusca C. Arthropoda D. Nematoda Ans B 04. †Rwjwdm Aurelia aurita †Kvb c‡e©i AšÍfz©³ cÖvYx? [MAT:15-16; DU:13-14; JU:D,12-13] A. Protozoa B. Porifera C. Cnidaria D. Echinodermata Ans C 05. †Ku‡Pvi ev‡qvjwRK¨vj bvg †Kvb&wU? [MAT.13-14] A. Hirudo medicinalis B. Metaphire posthuma C. Enterobius vermicularis D. Aurelia aurita Ans B DAT 01. †KvbwU mwVK? [DAT.01-02] A. †c․wóKbvjxi AšÍt cÖvPx‡ii Kjv we`¨gvb B. †Ku‡Pv‡Z wnUv‡iv‡gbvm LÛvqb eZ©gvb C. G‡ÛvWvg© i³msenbZš¿ †_‡K MwVZ nq D. LÛvwqZ †`n †bgv‡Uv‡Wi •ewkó¨ Ans B STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. †bwd«wWqv †Kvb Z‡š¿i mv‡_ m¤úwK©Z? [Xv.†ev-2021] A. †iPb B. k¦mb C. cwicvK D. msenb Ans A 02. wSbyK †Kvb c‡e©i cÖvYx? [Xv.†ev-2021; wm.†ev. 2019] A. Platyhelminthes B. Echinodermata C. Annelida D. Mollusca Ans D 03. ÔbvwjKv c_Õ †Kvb c‡e©i cÖvYxi Pjbv½? [Xv.†ev-2021] A. Nematoda B. Annelida C. Mollusca D. Echinodermata Ans B 04. †bwd«wWqv cvIqv hvq †Kvb c‡e©i cÖvYx‡Z? [Xv.†ev.2018] A. Cnidaria B. Platyheminthes C. Annelida D. Mollusca Ans C 05. Echinodermata c‡e©i •ewkó¨ †KvbwU? [Xv.†ev.2018] A. cvwb msenbZš¿ B. cyÄvwK C. wkLv †Kvl D. i³ msenbZš¿ Ans A Chattogram Board 01. cÖK…Z wm‡jvghy³ cÖvYx †KvbwU? [P.†ev-2021] A. Taenia Solium B. Ascaris lumbricoides C. Metaphire Posthuma D. Fasciola hepatica Ans C 02. Ôg¨v›UjÕ bvgK cvZjv AveiY _v‡KÑ [P.†ev-2021] A. Porifera B. Nematoda C. Mollusca D. Annelida Ans C 03. Arthropoda c‡e©i cÖvYx‡Z cvIqv hvq †KvbwU? [P.†ev. 2017] A. c¨viv‡cvwWqv B. i¨vWzjv C. wn‡gvwmj D. bvwjKv c` Ans C Dinajpur Board 01. wb‡Pi †KvbwU mwVK? [w`.†ev-2021] A. c¨viv‡cvwWqvMollusca B. i¨vWzjvArthropoda C. ¯ú‡ÄvwmjPorifera D. b‡UvKW©Echinodermata Ans C Jashore Board 01. wkLv †Kvl cvIqv hvq †Kvb c‡e©i cÖvYx‡Z? [h.†ev-2021; w`.†ev. 2019; e.†ev. 2019] A. Porifera B. Cnidaria C. Platyhelminthes D. Nematoda Ans C 02. wb‡Pi †KvbwU Platyhelminthes ce©fz³ cÖvYx? [h.†ev. 2019] A. Scypha B. Fasciola C. Ascaris D. Metaphire Ans B CONCEPT 03 KW©vUv c‡e©i we¯ÍvwiZ Z_¨ KW©vUv (†giæ`Ûx cÖvYx): bvgKviK: Bateson (AvRgj) ev August Haeckel (KvBqyg) (1885) kbv³K…Z cÖRvwZ: 68626 (AvRgj), 68000 (Avjxg) åƒY Ae¯’v A_ev AvRxeb b‡UvKW© _v‡K, c~Y©v½ Ae¯’vq GwU †giæ`Û w`‡q cÖwZ¯’vwcZ nq| Mjwejxq dzjKviÜ« _v‡K (DbœZ K‡W©‡U dzjKv i‡Ü«i wejyc N‡U)| G‡Ûv÷vBj bvgK A½ _v‡K hv _vBi‡qW MÖwš’‡Z iƒcvšÍwiZ nq, i³ msenbZš¿ e× ai‡bi| åƒY`kvq cvqycðvr †jR _v‡K| Tenualosa ilisha (Bwjk) Labeo rohita (iæB) Copsychus saularis (†`v‡qj) Panthera tigris(evN) Duddathrynus melanostictus (e¨vO) Homo sapiens(gvbyl)

352 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES KWv©Uv c‡e©i †kÖYxweb¨vm: Chordata Urochordata wZb nvRvi cÖRvwZ wb‡q MwVZ| mvBdb w`‡q cvwb DrmvwiZ K‡i e‡j G‡`i mvMi †dvqviv e‡j| †`n †mjy‡jvR wbwg©Z wUDwbK ev †U÷v Øviv Ave„Z _v‡K| cwiYZ cÖvYx wbðj wKš‘ jvf©vgy³ mvZviæ| Subphylum Cephalochordata 33 cÖRvwZ kbv³ Kiv n‡q‡Q| Iivj ûW Ges Iivj wmwi _v‡K| dzjKv¸‡jv A¨vwUªqv‡g Db¥y³| Ô>Õ AvKv‡ii gvqv‡Uvg †cwk _v‡K| Vertebrata 65789 cÖRvwZ wb‡q MwVZ| g¯ÍK †µwbqvg Gi wfZ‡i Ae¯
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ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 353 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES †giæ`Ðx cÖvYx‡`i g‡a¨ K‡qKwU D‡jøL‡hvM¨ cv_©K¨: cv_©‡K¨i welq grm¨ DfPi mixm„c cvwL ¯Íb¨cvqx Z¡K †fRv, MÖwš
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gq †cøqvi cø¨vK‡qW †n‡U †nUv‡ivmvK©vj 5-7 †Rvov dzjKv iÜ« 5-7 †Rvov dzjKv iÜ« Avbj Amgvb mvK©v‡mi mv‡K©vc‡UwiwR WvBbx WvBwdmvK©vj Aw¯
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354 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES †giæ`Ûx I A‡giæ`Ûxi cv_©K¨ wjL? DËi: †giæ`Ðx I A‡giæ`Ðx cÖvYxi D‡jøL‡hvM¨ cv_©K¨ : Av‡jvP¨ welq †giæ`Ðx cÖvYx A‡giæ`Ðx cÖvYx †giæ`Ð c„ô ga¨‡iLv eivei _v‡K Ges K‡kiæKvhy³ Abycw¯
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 w`‡q •Zwi bq REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. †Kvb †kÖYx‡Z cøvK‡qW AvuBk i‡q‡Q? [DU: 19-20; RU. 17-18] A. ZvivgvQ B. nv½i C. KBgvQ D. KvZj gvQ Ans B Why wewfbœ cÖKvi AuvBk: AuvBk D`vniY cø¨vK‡qW nvOi, †¯‥U, k•L gvQ M¨vb‡qW wewPi, †evwdb, Mvim wUb‡qW KB, †gwb, †Kvivj mvBK¬‡qW iæB, KvZjv, g„‡Mj 02. mixm„c msµvšÍ Ávb‡K Kx ejv nq? [DU,18-19] A. nvi‡cUjwR B. Aiwb_jwR C. g¨vgvjwR D. g¨vjvKjwR Ans A Why mixm„c msµvšÍ Ávb‡K nvi‡c‡UvjwR e‡j| cvwL msµvšÍ we`¨v‡K Aiwb_jwR e‡j Ges gjv¯‥v c‡e©i cÖvYx‡`i msµvšÍ we`¨v‡K g¨vjvKjwR e‡j| 03. m¨vjvgvÛvi †Kvb e‡M©i cÖvYx? [DU,18-19] A. Anura B. Crocodilia C. Gymnophiona D. Caudata Ans D Ans D Why mvjvgvÛvi Amphibia †kÖwYi Caudata e‡M©i AšÍM©Z cÖvYx| Caudata e‡M© 9wU cwievi 60wU †R‡biv Ges cÖvq 600wU cÖRvwZ i‡q‡Q| 04. wWg cv‡o Ggb ¯Íb¨cvqx cÖvYx? [DU. 18-19; JnU. 17-18; CU. 11-12] A. Bu`yi (Rat) B. ebiæB (Pangolin) C. nsmPÂz (Platypus) D. KvVweovj (Squirrel) Ans C Why A‡÷ªwjqvi cÖvß nsmPòz cøvwUcvm (Duck billed platypus) Avw` cÖK…wZi wWgcvov ¯Íb¨cvqx Ges G‡`i g‡bvwUªg ejv nq| 05. ZiæYvw¯’hy³ gv‡Q Kq †Rvov dzjKv wQ`ª _v‡K? [DU.17-18] A. GK †Rvov B. `yB †_‡K wZb †Rvov C. Pvi †Rvov D. cuvP †_‡K mvZ †Rvov Ans D Ans D Why KwÛªKw_m †kÖwYi cÖvYx‡`i AšÍtK¼vj m¤ú~Y© ZiæYvw¯
gq| G‡`i gv_vq `ycv‡k 5-7 †Rvov dzjKv iÜ« c„_Kfv‡e †`‡ni evB‡i Db¥y³| 06. †Kvb †kÖwYfz³ cÖvwY‡`i GwcWvg©vj AvuBk _v‡K? [DU.17-18] A. KwÛªKw_m B. Aw÷Kw_m C. †icUvBwjqv D. wgw·wb Ans C Why †icwUwjqv ev mwim„‡ci †`n ï®‥ I GwcWvwg©m D™¢~Z AvuBk ev k³ †cøU-G Ave„Z| 07. †KvbwU‡K gvQ ej‡j fzj n‡e? [DU.16-17; BAU.06-07; CU-A, Shift-3. 20-21] A. wmjfvi wdk B. WM wdk C. evUvid¬vB wdk D. K¨vU wdk Ans A Why gv‡Qi •ewkóvejxi mv‡_ mv`„k¨ m¤úbœ n‡”Q Kvc©, †ev‡¤^WvK, K¨vUwdk| wmjfvi wdk nj †QvU, cvLvwenxb Insect| 08. †Kvgjvw¯’ wewkó gv‡Q †Kvb ai‡bi AvuBk _v‡K? [DU.16-17;RU,F2. 18-19,10-11] A. mvBK¬‡qW B. wUb‡qW C. cø¨vK‡qW D. †KvbwUB bq Ans C Why KwÛªKw_m †kÖwYi cÖvYx‡`i AšÍtK¼vj m¤ú~Y© ZiæYvw¯
gq, G‡`i †`n AmsL¨ ÿz`ª cø¨vK‡qW bvgK m~² KuvUvi g‡Zv AvuB‡k Ave„Z| 09. †KvbwU Bwjk gv‡Qi •eÁvwbK bvg? [DU.09-10; RU.11-12; IU.11-12] A. Tenualosa ilisha B. Tenulosa ilisha C. Tenualosa ilisa D. Tenuolosa ilisha Ans A Why Bwjk gv‡Qi •eÁvwbK bvg Tenualosa ilisha| GwU evsjv‡`‡ki RvZxq gvQ| 10. evsjv‡`‡ki RvZxq cvwLi •eÁvwbK bvg wK? [DU.08-09; RU.10-11; CU.11-12] A. Passer domeoticus B. Copsychus saularis C. Colemba livia D. Carvus spenedens Ans B Why evsjv‡`‡ki RvZxq cvwL †`v‡qj hvi •eÁvwbK bvg Capsychus Saularis| Passer domesticus n‡”Q Po–B Ges Columba livia n‡”Q KeyZi| 11. †Kvb ¯Íb¨cvqx cÖvwYwU Do‡Z cv‡i? [DU.05-06] A. Macropus rufa B. Balaenoptera musculus C. Pteropus giganteus D. Ornithorhynchus anatinus Ans C STEP 02 ANALYSIS OF JU QUESTION 01. Tenualosa ilisha †Kvb †MvÎfz³? [JU: Unit-D; Set-M;19-20] A. Chirocentridae B. Clupeidae C. Denticipitidae D. Engraulidae Ans B Why Bwjk gv‡Qi †kÖYxweb¨vm: Phylum : Chordata Subphylum : Vertebrata Class : Actinopterygii Order : Clupeiformes Family : Clupeidae Genus : Tenualosa Species : Tenualosa ilisha 02. †Kvb †kÖwYfz³ gvQ n¨vMwdk bv‡g cwiwPZ? [JU: Unit-D; Set-I;19-20] A. Ascidiacea B. Thaliacea C. Myxini D. Petromyzontida Ans C Why wgw·wb †kÖYxfz³ gvQ¸‡jv n¨vMwdk (hagfish) bv‡g cwiwPZ| Giv ¯^vaxbRxex, cÖavbZ A¨vwbwjW, gjv¯‥, µv÷vwmqvb Av‡_©v‡cvW ev g„ZcÖvq gvQ Avnvi K‡i| eZ©gv‡b cÖvq 70 cÖRvwZi n¨vMwdk i‡q‡Q, mevB mvgyw`ªK| n¨vMwdk †`L‡Z evBb gv‡Qi g‡Zv| 03. DfPi cÖvYxi ürwcÛ KZ cÖ‡Kvô wewkó? [JU: Unit-D, Set-A/B;19-20] A. 2 B. 3 C. 4 D. 5 Ans B Why cÖvYxi wewfbœ cÖKvi ü`wcÐ: cÖvYx ü`wc‡Ði cÖ‡Kvô DfPi wZb cÖ‡Kvôwewkó (`ywU A¨vwUªqvg Ges GKwU †fwUªKj) Gwfm Pvi cÖ‡Kvôwewkó mixm„c Am¤ú~Y© Pvi cÖ‡Kvôwewkó (Kzwgi e¨wZµg) ¯Íb¨cvqx m¤ú~Y© Pvi cÖ‡Kvôwewkó

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 355 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 04. †Kvb †kÖYxfz³ gv‡Qi †jR WvBdvBmvK©vj ai‡bi? [JU: Unit-D, Set-Q;19-20] A. Chondrichthyes B. Sarcopterygii C. Myxini D. Petromyzontida Ans B Why wewfbœ †kÖYxfz³ gv‡Qi †jR: †kÖYx †j‡Ri aib Chondrichthyes †nUv‡ivmvK©vj Sarcopterygii WvBdvBmvK©vj Actinopterygii ev Osteichthyes †nv‡gvmvK©vj 05. KW©vUv c‡e©i cÖvYx‡Z G‡Ûv÷vBj cieZx©‡Z †Kvb MÖwš’‡Z iƒcvšÍwiZ nq? [JU:D;Set-A,18-19] A. nvB‡cv_¨vjvgvm B. _vBi‡qW C. wcUzBUvix D. G‡Ûªvb¨vj Ans B 06. Urochordata k‡ãi wMÖK “oura” As‡ki A_© wK? [JU:D;Set-D,18-19] A. †jR B. gyL C. gv_v D. cvLbv Ans A 07. Cyclostomata k‡ãi wMÖK „stomata‟ As‡ki A_© Kx? JU:D;Set-H,18-19] A. gv_v B. gyL C. †jR D. †Pvqvj Ans B 08. Gnathostomata k‡ãi wMÖK „gnathos‟ As‡ki A_© wK? [JU:D;Set-I,18-19] A. gyL B. Nvo C. †Pvqvj D. Kvb‡Kv Ans C 09. †Kvb Dc-c‡e©i cÖvYxi jvfv© `kvq †Kej †j‡R b‡UvKW© _v‡K? [JU: D, 17-18] A. †mdv‡jvKW©vUv B. †nwgKW©vUv C. BD‡ivKW©vUv D. fvwU©eªvUv Ans C 10. †KvbwU mZ¨ bq? [JU: D, 17-18; Set: 07] A. gv‡Qi ürwcÐ `yB cÖ‡Kvô wewkó B. e¨v‡Oi ürwcÐ `yB cÖ‡Kvô wewkó C. mixm„‡ci ürwcÐ wZb cÖ‡Kvô wewkó D. ¯Íb¨cvqxi ürwcÐ Pvi cÖ‡Kvô wewkó Ans B 11. Chordata k‡ãi wMÖK „ata‟ As‡ki A_© Kx? [JU: D, 17-18; Set: 07] A. i¾y B. Z¡K C. AvK…wZ D. enb Kiv Ans D 12. Chondrichthyes k‡ãi wMÖK „lchthys‟ As‡ki A_© Kx? [JU: D; 17-18„ Set: 07] A. gvQ B. e¨vO C. mvc D. cvwL Ans A 13. †Kvb †kÖwYfz³ gv‡Q A¨v‡gvwmU jvfv© †`Lv hvq? [JU: D, 17-18; Set: 07, 16-17] A. n¨vMwdk B. j¨vg‡cÖ C. WMwdk D. K¨vUwdk Ans B 14. Agnatha Dc-c‡e©i cÖvYx †KvbwU? [JU: D, 17-18; Set: 09] A. Plesiobatis B. Latimeria C. Lissemys D. Myxini Ans D 15. ZiæYvw¯’gq AšÍtK¼vj †Kvb †kÖwYi cÖvYxi •ewkó¨? [JU:D,16-17] A. Actinopterygii B. Aves C. Sarcopterygii D. Chondrichthyes Ans D 16. wgw·wb †kÖYxi AšÍfz©³ gv‡Qi Kq‡Rvov dzjKv _v‡K? [JU:D,16-17] A. 2-10 B. 5-10 C. 5-15 D. 10-12 Ans C 17. j¨vg‡cÖ-Gi jvf©v `kvi bvg wK? [JU:D,16-17] A. A¨v‡gvwmU B.U¨vW‡cvj C. wmivwmwWqv D.Uibvwiqv Ans A 18. †KvbwUi †`n cø¨vK‡qW AvB‡k Ave„Z? [JU:D,11-12] A. Myxini B. Chondrichthyes C. Actinopterygii D. Sarcopterygii Ans B STEP 03 ANALYSIS OF RU QUESTION 01. Wvqvd«vg Dcw¯’ZÑ [RU. Sinovac, Set-1. 20-21; DU.03-04; IU.11-12; BRUR.15-16PSTU. 14-15] A. cvwL‡Z B. gv‡Q C. ¯Íb¨cvqx‡Z D. DfP‡i Ans C Why ¯Íb¨cvqx cÖvwY‡`i gvsmj Wvqvd«vg ev ga¨”Q`v w`‡q eÿ I D`i MnŸi c„_K _v‡K| 02. evsjv‡`‡ki RvZxq gvQ †Kvb †kÖwYi AšÍf~³? [RU. Astrazeneca, Set-1. 20-21] A. Amphibia B. Osteichthyes C. Myxini D. Chondrichthyes Ans B Why Bwjk gv‡Qi †kÖwYweb¨vm: Kingdom : Animalia Phylum : Chordata Class : Actinopterygil/Osteichthyes Order : Clupeiformes Family : Clupeidae Genus : Tenualosa Species : T. ilisha 03. Copsychus saularis †Kvb †kÖwYi AšÍfz©³ cÖvYx? [RU:SG-2,18-19] A. A¨vwçweqv B. †icwUwjqv C. A¨vwfm D. g¨vgvwjqv Ans C 04. †mdv‡jvKW©vUv Dcc‡e©i D`vniY †KvbwU? [RU:SG-1,18-19] A. Ascidia mentula B. Branchiostoma lanceolatum C. Molgula tubifera D. Petromyzon marinus Ans B 05. wb‡Pi †Kvb †kÖwYi gvQ RxweZ Rxevk¥ wn‡m‡e cwiwPZ? [RU: F-1; 17-18] A. KbwWªKw_K B. Am&wUKw_K C. A¨vK&wU‡bvc‡UwiRvB D. mv‡K©vc‡UwiwR Ans D 06. RvZxq cvwL †`v‡qj †Kvb e‡M©i AšÍM©Z? [RU.16-17] A. Columbiformes B. Apterygiformes C. Passeriformes D. Rheiformes Ans C 07. †M‡Qv e¨v‡Oi •eÁvwbK bvg †KvbwU? [RU: G; 15-16] A. Rana tigrina B. Rana tytleri C. Rana bimaculatus D. Rana formasa Ans B 08. fvwU©eªvUv Dc-c‡e©i †kÖwY bq †KvbwU? [RU.14-15] A. Gwfm B. †icUvBwjqv C. g¨vgvwjqv D. wW‡cø¨v‡cvWv Ans D 09. KW©vUv cÖvYx‡Z _v‡K bv- [RU.11-12] A. dzjKviÜ« B. ¯œvqyi¾y C. M¨vswjqb D. †jR Ans C 10. bx‡Pi †Kvb&wU K‡W©U wKš‘ †giæ`Ûx bq? [RU.11-12] A. A¨vwçA·vm B. n¨vMwdk C. Kzgxi D. K¨v½viæ Ans A 11. gvbyl cÖRvwZi m¤ú~Y© I mwVK •eÁvwbK bvgKiY n‡jv- [RU: F2, 10-11] A. Hama sapiens B. Homo sapiens C. DfqB D. †KvbwUB bq Ans B 12. †KvbwU mg‡MvÎxq bq? [RU: F2, 10-11] A. Wjwdb B. nv½i C. wZwg D. ïïK Ans B 13. KwÛªKw_m †kªYxi gv‡Q AuvBk _v‡KÑ [RU.09-10] A. Kmg‡qW B. M¨vb‡qW C. cø¨vK‡qW D. wUb‡qW Ans C STEP 04 ANALYSIS OF CU QUESTION 01. †Kvb cÖvYx‡Z dzjKv k¦mb we`¨gvb? [CU-A, Shift-3. 20-21] A. K”Qc B. mvc C. e¨vO D. Wjwdb Ans C Why wewfbœ †kÖwYi cÖvwYi k¦mb A½: †kÖYx k¦mb A½ †kÖYx k¦mb A½ DfPi dzmdzm cvwL dzmdzm grm¨ dzjKv ¯Íb¨cvqx dzmdzm mixm„c dzmdzm 02. wb‡Pi †KvbwU fvwU©‡eªU? [CU-A, Shift-3. 20-21] A. wPswo gvQ B. †Rwjwdm C. Zviv gvQ D. KvZjv gvQ Ans D Why wewfbœ c‡e©i cÖvwY: cÖvwYi bvg c‡e©i bvg wPswo gvQ Av‡_©ªv‡cvWv †Rwjwdm wbWvwiqv Zviv gvQ GKvB‡bvWvg©vUv KvZjv gvQ KW©vUv (fvwU©eªvUv)

356 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 03. mixm„‡ci D`vniY †KvbwU? [CU.19-20] A. KvK B. KvwQg C. KvwKjv D. K¨v½viæ Ans B Why mixm„c: hviv ey‡K fi w`‡q nuv‡U Zv‡`i mixm„c e‡j| D`vniY: Nwoqvj, Kzwgi, K”Qc, mvc BZ¨vw`| 04. †Kvb cÖvYx‡Z cø¨vK‡qW AuvBk Av‡Q? [CU. 19-20] A. Labeo B. Anabas C. Latimeria D. Scoliodon Ans D Why wewfbœ cÖKvi AuvBk: AuvBk D`vniY cø¨vK‡qW nvOi, k•L gvQ, †¯‥U M¨vb‡qW wewPi, †evwdb, Mvim wUb‡qW KB, †gwb, †Kvivj mvBK¬‡qW iæB, KvZjv, g„‡Mj 05. Kz‡bve¨v‡Oi •eÁvwbK bvg- [CU.17-18] A. Duttaphrynus melanostictus B. Hemidactylus brooki C. Pila globosa D. Copsychus saularis Ans A 06. †nUv‡ivmvK©vj (Heterocercal) ai‡Yi cy”Q cvLbv (Caudal fin) cvIqv hvq- [CU: F1, 16-17] A. Actinopterygii-†Z B.Chondrichthyes-†Z C. Myxini-†Z D. Sarcopterygii-†Z E.Cephalaspidomorphi-†Z Ans B 07. wb‡Pi †KvbwU Amphibia- Gi •ewkó¨ bq? [CU: F1, 16-17] A. åƒYxq Ae¯
vq RjPi B. AMÖc‡` cuvPwU I cðvrc‡` PviwU K‡i bLiwenxb Av½yj _v‡K C. ürwcÛ wZb cÖ‡Kvó wewkó- `ywU A¨vwUªqv (Awj›`) I GKwU †fw›UªKj (wbjq) D. G‡±v_vwg©K Ans B 08. wb‡¤œi †KvbwU Osteichthyes †kÖYxi we‡kl •ewkó¨? [CU.15-16] A. cø¨vK‡qW AvuBk Av‡Q B. KvbKzqv bvB C. cUKv ev evqy_wj Av‡Q D. cy”Q cvLbv †nUv‡ivmvK©vj ai‡Yi E. AvšÍtK¼vj Ziæbvw¯
gq Ans C 09. †Kvb •ewkó¨wU cvwL‡`i †`n nvjKv K‡i? [CU.15-16] A. cvLv B. cvjK C. †VuvU D. evqy KzVzwihy³ Aw¯
 E. wMRvW© Ans D 10. †KvbwU mg‡MvÎxq bq? [CU.15-16] A. †cuPv B. ev`yo C. wPj D. Po~B E. †KvwKj Ans B 11. dzmdzm mn evqy_jx _v‡K †Kvb cÖvYx‡Z? [CU.15-16, 11-12] A. †M‡Qv e¨vO B. nvOi C. gvQ D.wZwg E.cvwL Ans E 12. †Kvivj gv‡Qi •eÁvwbK bvg Kx? [CU.12-13] A. Harpodon nebereus B. Eleautberonema tetradactylum C. Trichinous hamlet D. Pampus chinesis Ans D STEP 05 ANALYSIS OF DU-7 Clg QUESTION 01. †`v‡qj cvwLi •eÁvwbK bvg Kx? [DU-7Clg. 19-20] A. Columba livia B. Bubo bubo C. Corvus splendens D. Copsychus saularis Ans D Why Cloumba livia: KeyZi; Corvus splendens : KvK; Bubo Bubo : CMj cvwL/ †cuPv| 02. ev‡Ni •eÁvwbK bvg Kx? [DU-7Clg. 18-19] A. Panthera pardus B. Panthera leo C. Panthera tigris D. Neofelis nebulosa Ans C 03. Cavia porcellus GKwU [DU-7Clg. 18-19] A. RjR cÖvYx B. DfPi cÖvYx C. mixm„c D. ¯Íb¨cvqx Ans D Why Cavia porcellus ev wMwbwcM KW©vUv c‡e©i ¯Íb¨cvqx cÖvYx| Gi •ewkó¨: i. G‡`i †`n Nb I eo †jvg Øviv Ave„Z ii. gy‡Li Pviw`‡K ms‡e`x †Muvd ev fvBweªwm we`¨gvb iii. AMÖc‡` 4wU Ges cðvr c‡` 3wU AvOyj we`¨gvb iv. ewntK‡Y© wcbv we`¨gvb v. D`‡ii wb‡P `y‡Uv ¯Íbe„šÍ we`¨gvb vi. Giv PZz¯ú`x, †jR Abycw¯
Z| STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question JnU 01. RjR ¯Íb¨cvqx cÖvwY †KvbwU bq? [JnU.17-18] A. wZwg (whale) B. mxj (Seal) C. Wjwdb (Dolphin) D. Gw›U‡jvc (Antelope) Ans D Ans D Why RjR ¯Íb¨cvqx cÖvYx: Wjwdb, wmj, wZwg, †cvjvi weqvi, gvbvwZ (mvgyw`ªK Miæ), mgy‡`ªi IUvi BZ¨vw`| 02. †KvbwU ¯Íb¨cvqx cÖvYx bq? [JnU.16-17] A. wmj B. nv½i C. wZwg D. Wjwdb Ans B 03. †KvbwU Chordata Gi Dcce© bq? [JnU.10-11] A. Urochordata B. Hemichordata C. Cephalochordata D. Vertebrata Ans B KU 01. UvwK gv‡Qi •eÁvwbK bvg wK? [KU. 04-05] A. Lebeo rohita B. Anabus testudineus C. Channa punctatus D. Hilisa ilisa Ans C IU 01. weª‡U‡b Po–B cvwLi bvgÑ [IU: 14-15] A. Sparrow B. English Sparrow C. House Sarrow D. Musch Ans B 02. Avgv‡`i †`kxq grm¨ cÖRvwZi msL¨v- [IU.13-14] A. 151 B. 251 C. 350 D. 450 Ans B Why Avgv‡`i †`‡k grm¨ cÖRvwZi msL¨v 260, wgVv cvwbi200, †jvbv cvwbi- 60| PART B Analysis of Science & Technology Question SUST 01. AMÖc‡` PviwU Ges cðv`c‡` cuvPwU Av½yj Av‡Q Ggb †kÖwY †KvbwU? [SUST: Unit-A; 19-20] A. Reptillia B. Amphibia C. Aves D. Mammalia E. Insecta Ans B Why DfP‡ii •ewkó¨ : 1. MÖwš
gq Z¡Kwewkó, G‡±v_vwg©K (Ectothermic; †`‡ni ZvcgvÎv cwi‡e‡ki ZvcgvÎvi mv‡_ DVvbvgv K‡i) PZz®ú`x †giæ`Ûx cÖvYx| jvf©v Ae¯
vq RjPi, wKš‧ c~Y©v½ Ae¯
vq RjPi ev ¯
jPi| 2. Z¡K gm„Y, Av`ª©, MÖwš
gq; k¦m‡bI mvnvh¨ K‡i| 3. AMÖc‡` PviwU I cðvrc‡` cuvPwU K‡i bLiwenxb Av½yj _v‡K| 4. jvf©v `kvq dzjKv I cwiYZ Ae¯
vq dzmdzm, Z¡K I gyLweeixq wgDKvm wSwjøi gva¨‡g k¦mb N‡U| 5. ürwcÛ wZb cÖ‡Kvôwewkó: `ywU A¨vwUªqvg (Awj›`) Ges GKwU †fw›UªKj (wbjq)| 02. msKvKzj wn‡m‡e AwfwnZ †KvbwU? [SUST.13-14] A. Nandus nandus B. Panthera tigris C. Kachuga sylhetensis D. Rhadonessa caryophyllacca Ans A

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 357 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES MBSTU 01. †Kvb gv‡Q cøvK‡qW AvuBk cvIqv hvq? [MBSTU: Unit-B; 19-20] A. iæB B. •K C. wmjvKv¯
 D. nv½i Ans D Why wewfbœ cÖKvi AuvBk: [CU. 19-20 Gi cÖ‡kœi e¨vL¨v †`‡Lv] 02. cÖvwYweÁv‡bi †Kvb kvLvwU mixm„c wb‡q Av‡jvPbv K‡i? [MBSTU:B; 15-16] A. Ornithology B. Herpetology C. Apiculture D. Helminthology Ans B BSMRSTU 01. Bwjk gvQ wb‡¤œi †Kvb †kÖwYi AšÍf©y³? [BSMRSTU: Unit-H; 19-20] A. Chondrichthyes B. Osteichthyes C. Myxini D. Amphibia Ans B Why Bwjk gvQ A¨vKwU‡bvc‡UwiwR (Actinopterygii) ev Osteichthyes †kÖwYi AšÍfz©³| 02. Bwjk †Kvb e‡M©i AšÍf~©³? [BSMRSTU:C, 18-19] A. Clupeiformis B. Squamata C. Mesogastropoda D. Passeriformes Ans A Why Bwjk Clupeiformis e‡M©i AšÍf‚³| STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. KeyZi †Kvb †kÖYxi cÖvYx? [MAT. 19-20] A. Amphibia B. Aves C. Actinopterygii D. Reptilia Ans B Why wewfbœ †kÖYxi cÖvYx: †kÖYx cÖvYx Aves KvK, KeyZi, †`v‡qj, Po–B cvwL Actinopterygii Bwjk gvQ, iæB gvQ, UvwK gvQ Amphibia m¨vjvgvÐvi, †mvbve¨vO, †M‡Qve¨vO, Do°z e¨vO, AvmgwZ e¨vO Reptilia Nwoqvj, wUKwUwK, K”Qc 02. wb‡¤œ D‡jøwLZ †Kvb gv‡Q mvBK¬‡qW AuvBk cvIqv hvq bv? [MAT .15-16] A. Kvc© B. m¨vgb C. Bwjk D. iæB Ans B DAT 01. ga¨”Q`vi Dcw¯’wZ ev Presence of diaphragm †Kvb c‡e©i cÖvYxi •ewkó¨? [DAT.18-19] A. Reptilia B. Mammalia C. Amphibia D. Aves Ans B AFMC 01. RvZxq cvwLi •eÁvwbK bvg Kx? [AFMC. 2020-21] A. Labeo Rohita B. Allum cepa C. Copsychus Saularis D. Oryza sativa Ans C Why RvZxq welqvejxi •eÁvwbK bvg: welqvejx bvg •eÁvwbK bvg e„ÿ Avg Mangifera indica dj KuvVvj Artocarpus heterophyllus gvQ Bwjk Tenualosa ilisha dzj kvcjv Nymphaea nouchali cvwL †`v‡qj Copsychus Saularis cï evN Panthera tigris Labeo Rohita- iæB gvQ, Allum cepa- wcqvR, Oryza sativa- avb| STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. m¤ú~Y© Pvi cÖ‡Kvôwewkó ürwcÛ †Kvb cÖvYx‡Z †`Lv hvq? [Xv. †ev. 2019] A. wUKwUwK B. Kzwgi C. K”Qc D. mvc Ans B 02. †KvbwUi cy”Q cvLbv †nUv‡ivmvKv©j ai‡bi? [Xv. †ev. 2019] A. iæB gvQ B. jvswdk C. UvwK D. nv½i Ans D Cumilla Board 01. †fbvm nvU© cvIqv hvq wb‡Pi †Kvb †kÖwYi cÖvbx‡`i g‡a¨? [Kz.†ev-2021] A. Actinopterygii B. Amphibia C. Reptilia D. Mammalia Ans A 02. Sarcopterygii †kÖwY Gi •ewkó¨ n‡jvÑ [Kz.†ev. 2021] A. AšÍtK¼vj ZiæYvw¯
gq B. evqy cUKv i³RvjK C. †jR †nUv‡ivmvK©vj D. AvuBk cøvK‡qW Ans B 03. †Kvb cÖvYx‡Z GKPµx i³ msenbZš¿ Dcw¯’Z? [Kz.†ev. 2017] A. Poekilocerus pictus B. Labeo rohita C. Hydra vulgaris D. Homo sapiens Ans B 04. †Kvb cÖvYx‡Z 7 †Rvov Mjwejxq dzjKviÜ« cvIqv hvq? [Kz.†ev. 2019] A. Myxine glutinosa B. Petromyzon marinus C. Scoliodon laticaudus D. Channa punctatus Ans B Sylhet Board 01. †Kvb cÖvYxi RxebP‡µ dzjKv k¦mb we`¨gvb? [wm.†ev. 2017] A. e¨vO B. mvc C. K”Qc D. Wjwdb Ans A Barisal Board 01. Myxini †kÖwYi dzjKvi‡Ü«i msL¨v KqwU? [e.†ev. 2017] A. 1 †Rvov B. 7 †Rvov C. 5-7 †Rvov D. 5-15 †Rvov Ans D GK bR‡i wKQzÿY V.V.I DATA AT A GLANCE g‡b ivL mvivÿY Cnidaria c‡e©i me cÖvYxB wدÍiwewkó| Cnidaria cieZ©x me c‡e©i cÖvYxB wUª‡cøveøvw÷K| †mdv‡jvKWv©Uv‡`i fjøvKvi cÖvwY bv‡g WvKv nq| Cephalaspidomorphi †kÖwYfz³ gvQ¸‡jv j¨vg‡cÖ bv‡g cwiwPZ| cÖK…wZ‡Z bb-KWv©Uv cÖvYxi msL¨v mev©waK, cÖvq 95-97%| eZ©gv‡b c„w_ex‡Z 25 wU nU¯úU i‡q‡Q| U¨vMgvUvB‡Rkb: Av‡_ªv©‡cvWv c‡e©i cÖvwY‡`i •`wnK A‡ji we‡fw`KiY| †nv‡gvmvK©vj: LÛ mgvb I cÖwZmg| †nUv‡ivmvK©vj: LÛ Amgvb I AcÖwZmg| cÖvwYRM‡Zi wewfbœ cÖvYxi †`‡n mvaviYZ Pvi ai‡bi cÖwZmvg¨Zv †`Lv hvq| LÛKvq‡bi d‡j cÖvwY‡`n LÛ‡K Metamere ev Somite cwiYZ nq| i‡qj †e½j UvBMvi I wms‡ni g‡a¨ †Kvb ai‡bi wfbœZv we`¨gvbÑ AvšÍtcÖRvwZK wfbœZv| wm‡jvg m„wó nq- †g‡mvWvg© †_‡K| wØcvk¦x©q cÖwZmvg¨ †`Lv hvq- Platyhelminthes, Arthropoda I Chordata c‡e©i cÖvYx‡Z| MVbMZfv‡e mijZg cÖvYx n‡jv- Spongilla| cÖevj MVbKvix Dcv`vb n‡jv- KvBwUb I Pzb| †Kvb c‡e©i cÖvYxiv eûiƒwcZv cÖ`k©b K‡i- Cnidaria| A½-Zš¿ÑgvÎvi MVb m¤úbœ cÖvYx †`Lv hvq cÖ_g †Kvb c‡e©- Nematoda|

358 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES gyL wee‡i Ôi¨vWzjvÕ bvgK Ask _v‡K †Kvb c‡e©i cÖvYx‡K- Mollusca| Annelida c‡e©i cÖvYx‡`i ejv nq- „Ringed worms‟ ev A½ywigvj| cÖvwYRM‡Zi me‡P‡q e„nËg ce©- Arthropoda (cÖvq 80%)| †Kvb c‡e©i mKj cÖvYx mvgyw`ªK- Echinodermata| Urochordata Dcc‡e©i AšÍfz©³ †kÖwY KqwU- 3wU (Larvacea, Thaliacea & Ascidiacea)| cy”Q cvLbv WvBwdmvK©vj- Saroopterygii| ürwcÐ Am¤ú~Y© 4 cÖ‡Kvôwewkó- Reptilia †`i| Mammalia †kÖwYi Do‡Z mÿg cÖvYx- ev`yo| †kÖwYKi‡Yi †h †Kv‡bv av‡ci Rb‡Mvôx‡K ejv nq- U¨v·b| †kÖwYweb¨v‡mi me©wb¤œ avc- cÖRvwZ| Cephalochordata Dc‡e©i cÖvYx‡`i gyLwQ`ª †ewóZ AveiY n‡jv- IivjûW| KW©vUv c‡e©i Dcce© KZwU- 3wU (Urochordata, Cephalochordata & Vertebrata)| †Kvb †kÖwYi gvQ¸‡jv n¨vMwdk bv‡g cwiwPZ- Myxini| Scoliodon laticaudus Gi AuvBk- cø¨vK‡qW| †Kvb †kÖwYi gv‡Qi AšÍtK¼vj Aw¯
gq- Actinopterygii| Actinopterygii †kÖwYfz³ gv‡Qi AuvBk †Kvb ai‡bi- mvB‡K¬v‡qW I wUb‡qW| †nv‡gvmvK©vj †jR cvIqv hvq †Kvb †kÖwY‡Z- Actinopterygii| iwk¥gq cvLbvwewkó gvQ n‡jv- Actinopterygii| Bwjk †Kvb †kÖwYfz³ gvQ- Actinopterygii| Amphibia †kÖwYfz³ cÖvYxi jvf©v †KvbwUi mvnv‡h¨ k¦vmKvh© Pvjvq- dzjKv| ürwcÐ Am¤ú~Y© 4 cÖ‡Kvôwewkó- Reptilia -†`i Aves †kÖwYfz³‡`i †Kvb c` Wvbv cwiYZ nq- AMÖc`| BD‡ivKWv©Uv‡`i mvMi †dvqviv bv‡g WvKv nq| mKj cvV¨eB‡qi cÖkœ NCTB QUESTIONS ANALYSIS mwVK mgvavb 01. †nUv‡ivmvK©vj cy”Q-cvLbv cvIqv hvqÑ [Ref: AvRgj m¨vi] A. iæB B. UvwK C. nv½i D. jvswdm Ans C 02. Actinopterygii Gi †ÿ‡Î †KvbwU mg_©b K‡i? [Ref: AvRgj m¨vi] A. cøvK‡qW AvBk B. mvZ‡Rvov dzjKv Av‡Q C. cy”Q-cvLbv †nUv‡ivmvK©vj cÖK…wZi D. AšÍtK¼vj Aw¯
gq Ans D 03. Mjwe‡ji `ycv‡k 5-15 †Rvov dzjKviÜ« _v‡K †Kvb cÖvYx‡Z? [Ref: AvRgj m¨vi] A. Myxine glutionose B. Channa punctatus C. Petromyzon marinus D. Scoliodon laticaudus Ans C 04. wb‡Pi †KvbwU cøvwU‡njwgbw_m ce©f‚³ cÖvYx? [Ref: AvRgj m¨vi] A. Scypha B. Ascaris C. Fasciola D. Metaphire Ans C 05. gjv¯‥v c‡e©i cÖvYx‡Z cvIqv hvqÑ [Ref: AvRgj m¨vi] A. U¨vMgvUv B. †bwd«wWqv C. i¨vWzjv D. †Uªv‡Kv‡dvi Ans C 06. wb‡Pi †KvbwU‡Z my¨‡Wvwm‡jvg †`Lv hvq? [Ref: AvRgj m¨vi] A. Fasciola hepatica B. Taenia solium C. Ascaris humbricodies D. Metaphire posthuma Ans C 07. GwcWvg©vj AuvBk †Kvb cÖvYx‡`i †¶‡Î cvIqv hvq? [Ref: AvRgj m¨vi] A. mwim„c B. Aw¯
gq gvQ C. ZiæYvw¯
gq gvQ D. DfPi Ans A 08. cÖvwYRM‡Zi †Kvb c‡e©i cÖvYxi g‡a¨ AcÖK…Z wm‡jvg cvIqv hvq? [Ref: AvRgj m¨vi] A. Platyhelminthes B. Nematoda C. Mollusca D. Annelida Ans B 09. wm‡jvgwenxb ce© †KvbwU? [Ref: AvRgj m¨vi] A. Nematoda B. Annelida C. Platyhelminthes D. Chordata Ans C 10. m¤ú~Y© Pvi cÖ‡Kvô wewkó ürwcÛ †Kvb mixm„‡c †`L‡Z cvIqv hvq? [Ref: AvRgj m¨vi] A. Kzwgi B. wUKwUwK C. K”Qc D. mvc Ans A 11. cÖvwY‡`‡ni wefbœ A½-cÖZ½ m„wó nq †Kv_v †_‡K? [Ref: AvRgj m¨vi] A.wm‡jvg B. åƒb¯Íi C. LÛK D. b‡UvKW© Ans B 12. cÖvYx‡`‡n m`„k GKvwaK As‡ki •iwLK ev Aby‣`wN©¨K cybive„wˇK e‡j- [Ref: Avjxg m¨vi] A. cÖvwšÍKZv B. LÛvqb C. cÖwZmvg¨Zv D. †gUv‡gwiRg Ans D 13. wkLv †Kvl †Kvb c‡e©i •ewkó¨? [Ref: †gNbv` m¨vi, nvmvb m¨vi] A. cwi‡div B. Av‡_©ªv‡cvWv C. cøvwU‡njwgbw_m D. A¨vwbwjWv Ans C 14. U¨v·b n‡jv- [Ref: †gNbv` m¨vi] A. †kªwYweb¨v‡mi cÖ‡Z¨KwU K¨vUvMwi B. RxeRM‡Zi cÖ‡Z¨KwU cÖRvwZ C. wKsW‡gi cÖ‡Z¨KwU †Mvôx D. A¨vwbwjWv Ans A 15. GKwU A¨vwm‡jvgxq cÖvYxi D`vniY n‡jv- [Ref: †gNbv` m¨vi] A. wdZvK…wg B. †Ku‡Pv C. kvgyK D. wPswo Ans A 16. cø¨vK‡qW AvuBk †`Lv hvq †h cÖvYx‡Z- [Ref: †gNbv` m¨vi] A. iæB B. †evqvj C. nvOi D. wZwg gvQ Ans C 17. †Rwjwdm †Kvb c‡e©i cÖvYx? [Ref: †gNbv` m¨vi] A. †gvjv¯‥v B. Av‡_ªv©‡cvWv C. cøvwU‡njwgbw_m D. wbWvwiqv Ans D 18. †h cÖvYx‡Z bvwjc` †`Lv hvq- [Ref: †gNbv` m¨vi] A. nvOi B. Zviv gvQ C. wZwg D. kvgyK Ans B 19. cÖvYx‡`i †kªwYweb¨v‡mi RbK ejv nq Kv‡K? [Ref: nvmvb m¨vi] A. iv`vi‡dvW© B. A¨vwi÷Uj C. wjwbqvm D. Rb‡i Ans C 20. wb‡Pi †KvbwU †giæ`Ûx cÖvYxi Aw÷Kw_m †kªwYfy³? [Ref: nvmvb m¨vi] A. Zviv gvQ B. †c‡UªvgvBRb C. iæB gvQ D. A¨vwmwWqv Ans C 21. wm‡j‡›Uib Av‡Q †Kvb cÖvYx‡Z? [Ref: nvmvb m¨vi] A. wPswo B. e¨vO C. nvBWªv D. gvQ Ans C 22. wn‡gvwmj cvIqv hvq? [Ref: nvmvb m¨vi] A. †Zjv‡cvKv B. e¨vO C. nvBWªv D. gvQ Ans A 23. †KvbwU AcÖwZmg cÖvYx? [Ref: nvmvb m¨vi] A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv Ans C 24. †KvbwU Aixq cÖwZmg cÖvYx? [Ref: nvmvb m¨vi] A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv Ans D 25. †Kvb cÖvYxwU‡Z Aixq cÖwZmgZv †`Lv hvq? [Ref: cvifxb g¨vWvg] A. Homo sapiens B. Hydra vulgaris C. Volvox D. Hemidactylus Ans B 26. wb‡Pi †Kvb cÖvYxwUi Mv‡q w¯úwKDj _v‡K? [Ref: cvifxb g¨vWvg] A. Scypha gelatinosum B. Obelia geniculata C. Aurelia aurita D. Fasciola hepatica Ans A 27. M¨v‡÷ªvfv¯‥zjvi MnŸi †`Lv hvq wbgœwjwLZ †Kvb c‡e©? [Ref: gv‡R`v g¨vWvg] A. Nematoda B. Platyhelminthes C. Cnidaria D. Mollusca Ans C 28. wkLv †Kvl †Kvb cÖvYxi •ewkó¨? [Ref: gv‡R`v g¨vWvg] A. Avi‡kvjv B. †Ku‡Pv C. wdZvK…wg D. †Rwjwdk Ans C 29. bb-KW©vUv cÖvYx‡`i ürwcÛ _v‡K †`‡ni- [Ref: gv‡R`v g¨vWvg] A. A¼xq †`‡k B. cvk¦©‡`‡k C. c„ô‡`‡k D. ga¨‡iLv eivei Ans C

ASPECT BIOLOGY wØZxq cÎ cÖvYxi wewfbœZv I †kÖwYweb¨vm 359 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES MCQ CONCEPT TEST WRITTEN 01. wb‡gœi †Kvb c‡e©i cÖvYxiv Thread worm bv‡g cwiwPZ? A. wb‡Wwiqv B. †bgv‡UvWv C. gjv¯‥v D. cwi‡div 02. wb‡Pi †KvbwU KW©vUvi •ewkó¨ bq? A. mœvqyi¾y c„ô‡`‡k Aew¯
Z B. dzjKv iÜ« _v‡K C. Dcv½ `yB‡Rvovi AwaK D. AšÍtK¼vj 03. wb‡Pi †KvbwU cÖvYxRM‡Zi wØZxq e„nËg ce©? A. cwi‡div B. A¨vwbwjWv C. wb‡Wwiqv D. gjv¯‥v 04. Wuchereria bancrofti †Kvb c‡e©i cÖvYx? A. A¨vwbwjWv B. †bgv‡UvWv C. cøvwU‡njwgb‡_m D. cwi‡div 05. Platyhelminthes fy³ cÖvYxiv †Kvb ai‡bi cÖwZmg? A. Aixq cÖwZmg B. wØcvk¦©xq cÖwZmg C. AcÖwZmg D. eûcÖwZmg 06. Uª‡Kv‡dvi jvf©v †`Lv hvq wb‡Pi †KvbwU‡Z? A. Porifera B. Platyhelminthyes C. Annelida D. Cnidaria 07. gyLwQ‡`ª Iivj ûW i‡q‡Q wb‡Pi †KvbwUi? A. Porifera B. Urochordata C. Cephalochordata D. Vertebrata 08. GwcWvg©vj AvuBk †Kvb cÖvYx‡`i †¶‡Î cvIqv hvq? A. mixm„c B. Aw¯
gq gvQ C. ZiæYvw¯
gq gvQ D. DfPi 09. †KvbwU Aixq cÖwZmg cÖvYx? A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv 10. wb‡Pi †Kvb cÖvYxwUi Mv‡q w¯úwKDj i‡q‡Q? A. Scypha gelatinosum B. Obeliageniculata C. Aurelia aurita D. Fasciola hepatica 11. Aw÷qvg mg„× Dfwj½ cÖvYx †KvbwU? A. nvBWªv B. †Rwj wdk C. ¯úÄ D. Avi‡kvjv 12. †KvbwU †`nMnŸi †cwk I c¨v‡ibKvBgv mg„×? A. Spongilla proliferens B. Scypha gelatinosum C. Taenia solium D. Pila globosa 13. †KvbwU mg‡MvÎxq bq? A. Musca domestica B. Apis indica C. Anopheles culificacis D. Homo sapiens 14. †KvbwU RxešÍ Rxevk¥? A. gvKomv B. A‡±vcvm C. ivR KuvKov D. K”Qc 15. Ôgvsmj c`Õ †Kvb c‡e©i cÖvYx‡`i •ewkó¨? A. Annelida B. Mollusca C. Nematoda D. Cnidaria OMR SHEET 01. A B C D 06. A B C D 11. A B C D 02. A B C D 07. A B C D 12. A B C D 03. A B C D 08. A B C D 13. A B C D 04. A B C D 09. A B C D 14. A B C D 05. A B C D 10. A B C D 15. A B C D 16. cÖwZmvg¨ wK? Gi cÖKvi cÖKvi‡f` ¸‡jv wjL| DËi: ...................................................................................... 17. wدÍix/wίÍix cÖvYx ej‡Z wK eyS| DËi: ...................................................................................... 18. cwi‡div c‡e©i 5wU •ewkó¨ wjL| DËi: ...................................................................................... 19. gjv¯‥v c‡e©i 5wU •ewkó¨ wjL| DËi: ...................................................................................... 20. mvB‡K¬v‡÷vgvUv I b¨v‡_v‡÷vgvUvi cv_©K¨ wjL| DËi: ...................................................................................... 21. gjv¯‥v I Av‡_ª©v‡cvWvi 5wU cv_©K¨ wjL| DËi: ...................................................................................... 22. jwj‡Mv, Av‡cj kvgyK, †`v‡qj, gvbyl, †Ku‡Pvi •eÁvwbK bvg wjL? DËi: ...................................................................................... 23. wbWvwiqv c‡e©i cÖvYx‡`i mgy‡`ªi dzj ejv nq †Kb? DËi: ...................................................................................... 24. bbKW©vUv I KW©vUvi g‡a¨ cv_©K¨ wjL| DËi: ...................................................................................... 25. mKj †giæ`Ûx cÖvYxB K‡W©U wKš‘ mKj K‡W©U †gi`Ûx bq e¨vL¨v Ki| DËi: ...................................................................................... ANSWER ANALYSIS cÖkœ bs DËi MCQ 01.B 02.C 03.D 04.B 05.B 06.C 07.C 08.A 09.D 10.A 11.C 12.C 13.D 14.C 15.B 16 cÖwZmvg¨ ej‡Z cÖvwY‡`‡ni ga¨‡iLxq Z‡ji `ycv‡k m`„k ev mgvb AvKvi-AvK…wZwewkó As‡ki Ae¯
vb‡K †evSvq| cÖvYx‡`‡ni wb‡P ewY©Z wewfbœ ai‡bi cÖwZmvg¨ †`Lv hvq: (i) †Mvjxq cÖwZmvg¨ (ii) Aixq cÖwZmvg¨ (iii) wØAixq cÖwZmvg¨ (iv) wØcvk©xq cÖwZmvg¨ (v) AcÖwZmvg¨| 17 wدÍix: †hme cÖvYxi 僇Yi M¨v÷ªyjv chv©‡q †Kvl¸‡jv G‡±vWvg© I G‡ÛvWvg© bvgK `ywU ¯Í‡i web¨¯Í _v‡K, †m¸‡jv‡K wدÍix cÖvYx e‡j| wίÍix: †hme cÖvYxi 僇Y M¨v÷ªyjv chv©‡q †Kvl¸‡jv wZbwU †Kvlxq ¯Í‡i web¨¯Í _v‡K Zv‡`i wίÍix cÖvYx e‡j| 18 Concept-03 †`L| 19 Concept-03 †`L| 20 Concept-04 †`L| 21 Concept-03 †`L| 22 Concept-03 †`L| 23 wbWvwiqv c‡e©i cÖvYxiv AwaKvsk wbðj, wKQz cÖRvwZ gy³ mvuZviæ| mgy`ª DcK~‡j c‡o _vKv †Mvj _K_‡K †Rwji g‡Zv cÖvwY¸‡jv †Rwjwdk, Cnidaria c‡e©iB gy³ mvZviæ m`m¨| wewPÎ eY©gqZvi Kvi‡Y G c‡e©i m`m¨iv mgy`ª‡K ewY©j iƒc`v‡b me‡P‡q †ewk Ae`vb †i‡L‡Q| cÖevj I cÖevj cÖvPxi MVbKvix cÖvYxiv G c‡e©iB m`m¨| GRb¨ wb‡Wwiqvb cÖvwY‡`i mgy‡`ªi dyj ejv nq| 24 Concept-4 †`L| 25 K‡W©U cÖvYxi wZbwU Abb¨ •ewkó¨ n‡”Q- w¯
wZ¯
vcK b‡UvKW©, c„ôxq dvucv ¯œvqyi¾y Ges Mjwejxq dzjKv iÜ«| Gme •ewkó¨ meai‡bi K‡W©U cÖvYxi Rxe‡bi †h †Kvb `kvq wKsev AvRxeb cvIqv hvq| Chordata c‡e©i `ywU Dcce© †hgb- Urochordata I Cephalochordata (A_v©r Protochordata)-i m`m¨‡`i †ÿ‡Î KWv©Uvi •ewk󨸇jv AvRxeb cvIqv hvq| wKš‧ Vertebrata Dcc‡e©i †ÿ‡Î åƒYve¯
vq b‡UvKW© _vK‡jI c~Yv©½ Ae¯
vq Zv K‡kiæKv wbwg©Z †giæ`Ð w`‡q cÖwZ¯
vwcZ nq| †mRb¨ G‡`i †giæ`Ûx cÖvYx e‡j| ZvQvov ¯œvqyi¾ywU gw¯Í®‥ I myly¤œvKvÐ w`‡q cªwZ¯
vwcZ nq; dzjKv iÜ« eÜ n‡q hvq Ges dzjKv I dzmdz‡mi Avwef©ve N‡U| ZvB ejv hvq- mKj †giy`Ûx cÖvYxB K‡W©U (KviY åƒYve¯
vq KWv©Uvi mKj •ewkó¨ _v‡K) wKš‧ mKj K‡W©U †giæ`Ûx bq (KviY Urochordata I Cephalochordata Dcc‡e©i cÖvwY‡`i b‡UvKW© KL‡bvB †giæ`Û w`‡q cÖwZ¯
vwcZ nq bv| ÒA‡b¨i e¨w³Z¡‡K ¸iæZ¡ w`‡Z wkLyb, Kv‡iv e¨w³Z¡ Avcbvi cQ›` bv n‡jB †m e¨w³ Lvivc bv| g‡b ivL‡eb e¨w³Z¡ hvi hvi ¯^KxqZv|Ó -†gndzR Avn‡g`

360 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 2.1 nvBWªv (Hydra) CONCEPT NO MAGNETIC DECISION [hv co‡e] MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year DU JU RU CU GST MAT DAT HSC WRITTEN MCQ CONCEPT-01 MVb I •ewkó¨ 80% 70% 60% 70% 50% 40% 30% 90% CONCEPT-02 nvBWªvi Rxeb-hvcb 10% 20% 10% 10% 20% 60% 10% 50% DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University, GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test CONCEPT 01 MVb I •ewkó¨ ITEM 01 cÖv_wgK K_v BwZnvm I •ewkó¨: HydraÕi cÖK…Z Avwe®‥viK-Aveªvnvg †Uª¤^‡j (1744 mv‡j), bvgKviK K¨v‡ivjvm wjwbqvm (1758 mv‡j), cybiærcwË ¶gZvi Avwe®‥viK-†Uª¤^‡j| wMÖK iƒcK_vi bq gv_vIqvjv WªvM‡bi bvgvbymv‡i nvBWªvi bvgKiY Kiv nq| Hydra gy³Rxex, gvsmvkx, wgVv cvwbi cÖvwY I cybiærcwË ¶gZv cÖPÛ | †kÖYxweb¨vm: Kingdom : Animalia (cÖvYx) Phylum : Cnidaria (wb‡WvmvBU I wm‡j‡›Uib Dcw¯
Z) Class : Hydrozoa (Awef³ wm‡j‡›Uib) Order : Hydroida (cwjc `kv cÖavb) Family : Hydridae (GKKfv‡e emevm K‡i) Genus : Hydra (cybiærcwË ÿgZvm¤úbœ) Species : Hydra vulgaris nvBWªv w¯
i, kxZj I cwi®‥vi cvwb‡Z evm K‡i Ges †`ncÖvPx‡ii gva¨‡g e¨vcb cÖwµqvq k¦mb I †iPb m¤úbœ K‡i| evsjv‡`‡k cÖvß nvBWªvi K‡qKwU cÖRvwZ I G‡`i eY©: nvBWªvi bvg Kwl©Kvi msL¨v eY© Hydra viridissima (Chlorohydra viridissima Hydra viridis) 4-8wU meyR eY© Hydra vulgaris (evsjv‡`‡k me‡P‡q †ewk cvIqv hvq) 6-10wU cÖvq eY©nxb ev ¯^”Q ev nvjKv njy`-ev`vgx e‡Y©i (Dfqwjw½K) Hydra gangetica 6wU mv`v ev nvjKv †Mvjvcx e‡Y©i Pelmatohydra oligactis (Hydra fusca) 6wU ev`vgx e‡Y©i (GKwjw½K) (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg) ITEM 02 evwn¨K MVb Rbbv½ ïµvkq (†KvYvKvi), wW¤^vkq (†MvjvKvi) nvB‡cv‡÷vg gyLwQ‡`ªi bx‡P nvB‡cv‡÷vg _v‡K, nvB‡cv‡÷v‡gi AMÖcÖvšÍ gyLwQ`ª aviY K‡i| c`Zj ev cv`PvKwZ ÿwiZ i‡mi mvnv‡h¨ †Kvb wKQzi mv‡_ AvU‡K _v‡K, m„ó ey`ey‡`i mvnv‡h¨ †f‡m _v‡K †`nKvÛ Kwl©Kv 6-10wU, Gi cÖvPx‡i †bgv‡Uvwm÷ _v‡K gyKzj cÖavb A‡h․b Rbb cÖwµqv, ¯^vfvweK Rbb cÖwµqv, MÖx®§Kvj gyKzj m„wói AbyK~j mgq nvBWªv (Ref: AvRgj m¨vi, Avjxg m¨vi) wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe? cÖvYxi cwiwPwZ INTRODUCTION OF ANIMAL Aa¨vq 02 wØZxq cÎ c„ôv 360

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 361 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ITEM 03 Af¨šÍixb MVb Af¨šÍixY MVb (wدÍix) †g‡mvwMøqv: A‡Kvlxq ¯Íi (.1 m) KvR: GwU G‡±vWvg© I G‡ÛvWv‡g©i wfwË wn‡m‡e KvR K‡i| AšÍtK¼vj iƒ‡c KvR K‡i| mshy³Zj iƒ‡c KvR K‡i| ms‡hvM¯
vcbKvix ¯Íiiƒ‡c KvR K‡i| Aej¤^b `vbKvix ¯Íiiƒ‡c KvR K‡i| ms‡KvPb I cÖmvi‡Y mnvqZv K‡i G‡ÛvWvg© (5 ai‡bi †Kvl): cywó †Kvl/ †ckx AveiYx †Kvl: d¬¨v‡Rjxq †Kvl, ¶Yc`xq †Kvl (1-4wU) MÖwš’ †Kvl: nvB‡cv‡÷v‡g me©vwaK, c`Z‡j ¯^í, Kwl©Kv‡Z _v‡K bv, wgDKvm I GbRvBg ÿiY K‡i| B›Uviw÷wkqvj †Kvl mœvqy‡Kvl ms‡e`x †Kvl G‡±vWvg© (7 ai‡bi †Kvl): †ckx AveiYx †Kvl: ewntw`K PIov, gv‡qvwbg Zš‧ _v‡K, †`n AveiY •Zwi K‡i Ges wKDwUKj ÿiY K‡i B›Uviw÷wkqvj †Kvl: Reserve cell e‡j, cybiærcwË I gyKzj m„wó‡Z Ask †bq Ges cÖ‡qvR‡b †h‡Kvb †Kvl •Zwi K‡i| ms‡e`x †Kvl: mg‡Kv‡Y I wew¶ß Ae¯
vq _v‡K, ms‡e`x †ivg I †bvwWIj hy³ hv Av‡jv, Zvc MÖnY K‡i| mœvqy †Kvl: †g‡mvwMøqv msjMœ _v‡K, msM„nxZ DÏxcbv †cÖiY K‡i| MÖwš’ †Kvl: c`Zj I gyLwQ‡`ª _v‡K Rbb †Kvl: Rb‡b Ask †bq wb‡WvmvBU: wb‡Wvwmj I †bgv‡Uvwm÷ aviY I Lv`¨ MÖnY, Pjb, AvZ¥i¶vq mvnvh¨ K‡i| cwiùyUbiZ wb‡WvmvBU‡K wb‡Wveøv÷ e‡j| TRICKS & TIPS TnT nvBWªvi GwcWvwg©‡m mvZ ai‡bi †Kvl _v‡K Mnemonic: wbR cqmvq m½x Q›` wb R c m m M B Z_¨ wb‡Wveøv÷ Rbb‡Kvl †ckx AveiYx †Kvl ms‡e`x ‡Kvl ¯œvqy †Kvl MÖwš
 †Kvl B›Uviw÷wkqvj †Kvl nvBWªvi AšÍtZ¡‡K ev M¨v‡÷ªvWvwg©‡m 5 ai‡bi †Kvl _v‡K Mnemonic: cqmvq m½x Q›` c m m M B Z_¨ †ckx AveiYx †Kvl ms‡e`x ‡Kvl ¯œvqy †Kvl MÖwš
 †Kvl B›Uviw÷wkqvj †Kvl (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi) ITEM 04 wb‡WvmvB‡Ui MVb Cnidaria c‡e©i mKj cÖvYxi GwcWvwg©‡mi †cwk-AveiYx †Kvlmg~‡ni ga¨eZx© ¯
vb A_ev Af¨šÍ‡i †hme we‡klvwqZ †Kvl _v‡K Zv‡`i wb‡Wveøv÷ †Kvl ev †bgv‡UvmvBU ev wb‡WvmvBU e‡j| wPÎ: wb‡WvmvB‡Ui MVb wPÎ: wewfbœ cÖKvi †bgv‡Uvwm÷

362 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES wb‡WvmvBU AveiY †bgv‡Uvwm÷ AcviKz¨jvg wb‡Wvwmj †ckxm~Î G‡±vWv‡g© _v‡K me‡P‡q †ewk _v‡K Kwl©Kvq me‡P‡q Kg _v‡K ev c`Z‡j _v‡Kbv weÁvbx fvY©vi 23 ai‡bi †bgv‡Uvwm÷ wm‡j‡›Ui‡b kYv³ K‡ib, nvBWªv‡Z cvIqv hvq 4 ai‡bi †bgv‡Uvwm÷ wUªMv‡ii b¨vq KvR K‡i K¨vcmy‡ji c„ô‡`k †_‡K •Zwi nq| †bgv‡Uvwm‡÷i wb¤œ cÖvšÍ †_‡K j¨v‡mv bvgK cu¨vPv‡bv m~Î m„wó nq wدÍix I wbDwK¬qvm enb K‡i †cwbUªv›U ev w÷‡bvwUj Av`k© Type, cÖvšÍ gy³, 3wU eve©, evwe©Dj, wnc‡bvUw·b (Avwgl + †db‡j MwVZ) _v‡K| wkKvi‡K AÁvb I Aek K‡i| fj‡f›U ev †Wm‡gvwbg †÷ªc‡Uvwjb MøywUb¨v›U ev n‡jvUªvBKvm AvB‡mvivBRv †÷wiIwjb MøywUb¨v›U ev A¨vUªvBKvm AvB‡mvivBRv cÖvšÍ eÜ, KÈKwenxb, cu¨vPv‡bv m~ÎK (K‡K©i ¯…zi gZ), †QvU| e¯‘‡K Rwo‡q/AvuK‡o a‡i| KuvUvhy³, eve© _v‡K bv, evU myMwVZ bq| Pj‡b mnvqZv I wkKvi‡K AvU‡K iv‡L| gy³, KÈKwenxb, evU myMwVZ bq, me‡P‡q ÿz`ª| Pj‡b mnvqZv I wkKvi‡K AvU‡K iv‡L| (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi) WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question nvBWªvi bvgKi‡Yi BwZnvm wjL? DËi: K¨v‡ivjvm wjwbqvm bvgKiY K‡ib nvBWªv ev Hydra| Hydra-i webó †`nvsk †_‡K `ªæZ bZzb cÖvYx Drcv`‡bi ÿgZv _vKvq wMÖK c~iv‡bi eûg¯ÍK wewkó KvíwbK WªvMb ev •`‡Z¨i bvg Abymv‡i Hydra-i Giƒc bvgKiY Kiv nq| G `vbe‡K Ae‡k‡l gnvexi nviwKDwjm ea K‡ib| Kwl©Kv Kx? DËi: nvB‡cv‡÷v‡gi †Mvovi PZzw`©K wN‡i 6-10wU miæ, ms‡KvPbkxj, †`n A‡cÿv j¤^v I dvucv myZvi g‡Zv Kwl©Kv Aew¯
Z| ewntcÖvPx‡i AmsL¨ †QvU wUDgv‡ii g‡Zv †bgv‡Uvwm÷ e¨vUvix _v‡K| nvBWªvi GwcWvwg©m †Kvl ¸‡jvi bvg wjL? DËi: nvBWªvi GwcWvwg©m †Kvl ¸‡jvi bvg n‡jv: †cwk AveiYx †Kvl, B›Uviw÷wkqvj †Kvl, ms‡e`x †Kvl, ¯œvqy †Kvl, MÖwš
 †Kvl, Rbb †Kvl I wb‡WvmvBU| nvBWªvi †bgv‡Uvwm÷ ¸‡jvi bvg I KvR wjL? DËi: nvBWªvi †bgv‡Uvwm÷ ¸‡jvi bvg I KvR n‡jv: †bgv‡Uvwm‡÷i bvg KvR †cwbUªv›U/w÷‡bvwUj †bgv‡Uvwm÷ wkKv‡ii †`‡n we× n‡q welv³ wnc‡bvUw·‡bi mvnv‡h¨ wkKvi‡K Aek K‡i fj‡f›U wkKvi wKsev Ab¨ †Kv‡bv e¯‧ AvuK‡o ai‡Z mvnvh¨ K‡i †÷ªc‡Uvwjb MøywUb¨v›U Pj‡b I wkKvi AvUKv‡Z mvnvh¨ K‡i †÷wiIwjb MøywUb¨v›U Pj‡b I wkKvi AvUKv‡Z mvnvh¨ K‡i wb‡WvmvBU wK Gi KvR wjL? DËi: Hydra-mn Cnidaria c‡e©i mKj cÖvYx‡Z ewntZ¡‡Ki `ywU †cwk AveiYx †Kv‡li ga¨eZ©x ¯
v‡b we‡kl •ewkó¨c~Y© †Kvl †`Lv hvq| GB †Kvl¸‡jv‡K wb‡WvmvBU ev †bgv‡UvmvBU †Kvl e‡j| wb‡WvmvB‡Ui †bgv‡Uvwm÷ A½vby cÖvYxi Lv`¨ MÖnY Pjb I AvZ¥iÿvq e¨eüZ nq| †g‡mvwMøqv Kx? [Xv. †ev. 2019] DËi: Cnidaria RvZxq cÖvYx‡`i (†hgb- Hydra) GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi ga¨eZ©x ¯
v‡b Aew¯
Z †Rwji b¨vq AvVv‡jv, ¯^”Q, w¯
wZ¯
vcK ¯Íi‡K †g‡mvwMøqv ev †g‡mvj¨vwgjv e‡j| Dfq ¯Í‡ii †Kvl G ¯Íi MV‡b Ask MÖnY K‡i| nvB‡cv‡÷vg Kv‡K e‡j? [iv. †ev. 2019] DËi: Hydra-i †`‡ni gy³ cÖv‡šÍ Aew¯
Z †gvPvK…wZi ms‡KvPb I cÖmviYkxj Ask‡K nvB‡cv‡÷vg e‡j| P~ovq †K›`ªfv‡e e„ËvKvi gyLwQ`ª Ges gyLwQ`ª‡K wN‡i Kwl©Kv _v‡K| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. †KvbwU Hydra-†Z _v‡K bv? [DU.16-17] A. †g‡mvwMøqv B. wm‡j‡›Uib C. †g‡mvWvg© D. wb‡WvmvBU Ans C Why nvBWªv GwcWvwg©m I M¨v‡÷ªvWvwg©m bvgK `ywU †Kvl¯Íi wb‡q MwVZ| G‡`i †g‡mvWvg© _v‡K bv Gi cwie‡Z© †g‡mvwMøqv bv‡g GKwU A‡Kvlxq †Rwji g‡Zv ¯Íi _v‡K| GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi †Kvl †g‡mvwMøqv MV‡b mnvqZv K‡i| 02. wb‡¤œi †KvbwU Hydra-†Z wb‡Wveøv÷ enb K‡i bv? [DU.14-15] A. nvB‡cv‡÷vg B. Kwl©Kv C. GwcWvwg©m D. cv` PvKwZ Ans D Why nvBWªvi cv` PvKwZ Qvov Zvi †`‡ni me©Î wb‡Wveøv÷ †Kvl enb K‡i| Gi KvR g~jZ Lv`¨ MÖnY| Pjb I AvZ¥iÿvq Ask MÖnY| 03. †g‡mvwMøqv cvIqv hvq †Kvb cÖvYx‡Z? [DU.12-13] A. gvbyl B. Avi‡kvjv C. nvBWªv D. gvQ Ans C Why Hydra Gi ewntZ¡K I AšÍtZ¡K Gi ga¨eZx© Z¡K‡K †g‡mvwMøqv e‡j| GwU †Kvl¯Íi bq, G‡K Aej¤^b`vbKvix ev ms‡hvMKvix Zj e‡j|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 363 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 04. nvBWªv-Gi GwcWvwg©‡m †Kvb †KvlwU †`Lv hvq bv? [DU: 11-12, 07-08; CU.11-12] A. ms‡e`x †Kvl B. MÖwš
 †Kvl C. wkLv †Kvl D. Rbb †Kvl Ans C Why Flame cell ev wkLv‡Kvl Platyhelminthes c‡e©i cÖvYx‡`i †iPbZ‡š¿ †`Lv hvq hv nvBWªvi Gi g‡a¨ †`Lv hvq bv| 05. Hydra-Gi †`‡n †KvbwU K¼vj wn‡m‡e KvR K‡i? [DU.01-02; SUST.04-05] A. wbgv‡Uvwm÷ B. †g‡mvwMøqv C. GwcWvwg©m D. wm‡j‡›Uib Ans B Why †bgv‡Uvwm÷: AvZ¥iÿvq Ask †bq| †g‡mvwMøqv: GwU †Kvl¯Íi bq| G‡K Aej¤^b `vbKvix ev ms‡hvMKvix Zj e‡j| GwcWvwg©m: nvBWªvi ewntZ¡K| wm‡j‡›Uib: cwicvK msenb MnŸi| 06. Hydra-Gi †Kvb ai‡bi †bgv‡Uvwm÷ wnc‡bvUw·b wbtmiY K‡i? [DU. 00-01; BAU.01-02,06-07; JU: 18-19, 17-18, 11-12, 09-10;RU.16-17,11-12, 10-11, 04- 05; CU.16-17] A. w÷‡bvwUj B. fj‡f›U C. †÷ªc‡Uvwjb D. †÷wiIwjb MøywUb¨v›U Ans A Why wnc‡bvUw·b MwVZ nq Avwgl I †dbj w`‡q| Hydra †Z Pvi ai‡bi †bgv‡Uvwm÷ _v‡K| w÷‡bvwUj ev †cwbUª¨v›U e„nËg †bgv‡Uvwm÷ Ges wnc‡bvUw·b bvgK welv³ i‡m c~Y©| 07. Hydra-Gi †`‡ni †h †Kv‡li cÖ‡qvRb †mB †Kv‡l iƒcvšÍwiZ n‡Z cv‡i, Zvi bvg? [DU. 97-98;MBSTU.12-13] A. ms‡e`x †Kvl B. mœvqy‡Kvl C. gvmKz‡jv Gwc‡_wjqvj †Kvl D. B›Uviw÷wkqvj †Kvl Ans D Why B›Uviw÷wkqvj †Kvl cÖ‡qvR‡b Ab¨ †h †Kv‡bv ai‡bi ewntZ¡Kxq †Kv‡l cwiYZ nq, cybiærcwË I gyKzj m„wó‡Z Ask †bq| 08. Lv`¨ wkKv‡ii Rb¨ nvBWªvi †bgv‡Uvwm÷evnx we‡kl †Kv‡li bvg wK? [DU.96-97] A. †ckx AveiYx †Kvl B. wb‡Wveøv÷ C. B›Uviw÷wkqvj D. cywó‡Kvl Ans B STEP 02 ANALYSIS OF JU QUESTION 01. nvBWªvi GwcWvwg©‡mi mg¯Í AskRy‡o †Kvb †Kv‡li AvwaK¨ _v‡K? [JU-D, Set-G. 20-21] A. †ckx Aveibx B. MÖwš
 C. ¯œvqy D. B›Uviw÷wkqvj Ans A Why GwcWvwg©‡mi Ab¨vb¨ †Kv‡li Zzjbvq †cwk-AveiYx †Kvl¸‡jv AvKv‡i eo Ges msL¨vq AwaK| †Kvl¸‡jv †KvYvKvi ev bvmcvwZ AvK…wZi Ges GwcWvwg©‡mi m¤ú~Y© cyiæZ¡ eivei †g‡mvwMøqvi Dci Ae¯
vb K‡i| 02. †KvbwU wb‡WvmvB‡Ui KvR? [JU-D, Set-T. 20-21] A. wkKvi Kiv B. AvZ¥iÿv Kiv C. †bgv‡Uvwm÷ enb D. Pj‡b mvnvh¨ Kiv Ans C Why wb‡WvmvBU †bgv‡Uvwm÷ enb K‡i hv wkKvi Kiv, AvZ¥iÿv I Pj‡b mvnvh¨ K‡i| 03. nvBWªvi †bgv‡Uvwm÷ e¨vUvwi †Kv_vq _v‡K? [JU-D, Set-A. 20-21] A. Kwl©Kvi AšÍtcÖvPx‡i B. Kwl©Kvi ewntcÖvPxi C. Kwl©Kvi wb‡P D. Kwl©Kvi Dc‡i Ans B Why †bgv‡Uvwm÷: G‡±vWv‡g© _v‡K me‡P‡q †ewk _v‡K Kwl©Kvq me‡P‡q Kg _v‡K ev c`Z‡j _v‡Kbv weÁvbx fvY©vi 23 ai‡bi †bgv‡Uvwm÷ wm‡j‡›Ui‡b kYv³ K‡ib, nvBWªv‡Z cvIqv hvq 4 ai‡bi †bgv‡Uvwm÷| 04. †Kvb c‡e©i cÖvYx‡Z †g‡mvwMøqv Dcw¯’Z _v‡K? [JU-D, Set-A. 20-21] A. Platyhelminthes B. Arthropoda C. Cnidaria D. Echinodermata Ans C Why wدÍix cÖvwY‡Z †g‡mvWv‡g©i cwie‡Z© †gv‡mvwMøqv _v‡K| wbWvwiqv c‡e©i cÖvwYiv wدÍix| 05. evsjv‡`‡k Hydra-Gi †Kvb cÖRvwZ †ewk cvIqv hvq? [JU: Unit-D; Set-A/B,19-20] A. H. oligactis B. H. viridissima C. H. vulgaris D. H. tettagalis Ans C Why Hydra-i g‡a¨ evsjv‡`‡k Hydra vulgaris A‡bK †ewk cvIqv hvq| Hydra Vulgaris †`L‡Z nvjKv njy`-ev`vgx e‡Y©i| 06. nvBWªvi †Kvb ai‡bi †bgv‡Uvwm‡÷ wnc‡bvUw·b _v‡K? [JU: Unit-D; Set-Q,19-20] A. †cwbUª¨v›U B. †÷c‡Uvwjb MøywUb¨v›U C. fj‡f›U D. †÷wiIwjb MøywUb¨v›U Ans A Why †cwbUª¨v›U ev w÷‡bvwUj †bgv‡Uvwm‡÷ wnc‡bvUw·b _v‡K hvi mvnv‡h¨ wkKvi‡K AÁvb I Aek K‡i †d‡j| 07. nvBWªvi †Kvb ai‡bi †bgv‡Uvwm‡÷i m~ÎK KuvUvhy³? [JU: Unit-D; Set-I;19-20] A. †÷wiIwjb MøywUb¨v›U B. fj‡fë C. †÷ªc‡Uvwjb MøywUb¨v›U D. †cwbUª¨v›U Ans C Why nvBWªvq wb‡¤œv³ Pvi ai‡bi †bgv‡Uvwm÷ cvIqv hvq: 1. w÷‡bvwUj ev †cwbUª¨v›U: e„nËg †bgv‡Uvwm÷ G‡`i m~ÎK j¤^v, duvcv, kxl© Db¥y³ evU cÖk¯Í Ges wZbwU eo Zxÿè eve© I wZb mvwi mwc©jvKv‡i mw¾Z AwZ ÿz`ª evwe©Djhy³| Gi wfZ‡i wnc‡bvUw·b bvgK welv³ Zij _v‡K| 2. fj‡f›U: G¸‡jv A‡cÿvK…Z †QvU| m~ÎKwU Lv‡Uv, †gvUv, w¯
wZ¯
vcK, KuvUvwenxb Ges eÜ kxl©hy³ †bgv‡Uvwm÷| 3. †÷ªc‡Uvwjb MøywUb¨v›U: Gi m~ÎK j¤^v, mwc©jvKv‡i mw¾Z KuvUvhy³, evU myMwVZ bq Ges kxl©‡`k Db¥y³| 4. †÷wiIwjb MøywUb¨v›U: G¸‡jv ÿz`ªZi †bgv‡Uvwm÷; m~ÎK j¤^v, KuvUvwenxb, evU myMwVZ bq Ges kxl©‡`k Db¥y³| 08. †Kvb weÁvbx me©cÖ_g Hydra i cybiærcwË ÿgZv ch©‡eÿY K‡ib? [JU: D;Set-H,18-19] A. gv‡m©‡jv gvjwcwR B. A¨vb‡Wªm †f‡mwjqvm C. Rb.B. mvj÷b D. Aveªvnvg †Uª¤^‡j Ans D 09. Hydra-i †`‡n †KvbwU †`Lv hvq? [JU:D;Set-A.B,18-19] A. wn‡gvwmj B. †g‡mvwMøqv C. gv‡qvdvBweªj D. †¯‥¬ivBU Ans B 10. nvBWªvi UwU‡cv‡U›U †Kvl †KvbwU? [JU:D,17-18] A. B›Uviw÷wkqvj †Kvl B. MÖwš
 †Kvl C. ms‡e`x †Kvl D. ¯œvqy †Kvl Ans A 11. nvBWªvi cywó‡Kv‡li •ewkó¨ bq †KvbwU? [JU:D,15-16] A. ¯Í¤¢vKvi B. wbDwK¬qvm hy³ C. MnŸihy³ D. wgDKvm wbtmvix Ans D 12. Hydra fusca-Gi nvB‡cv‡÷v‡gi †Mvovi PZzw`©‡K wN‡i KqwU Kwl©Kv _v‡K? [JU:D.14-15] A. 4wU B. 6wU C. 8wU D. 10wU Ans B 13. nvBWªvi e„nËg †bgv‡Uvwm‡÷i bvg wK? [JU:D,13-14] A. w÷‡bvwUj ev †cwbUªv›U B. fj‡f›U C. †÷ª‡Þvwjb MøywUb¨v›U D. †÷wiIwjb MøywUb¨v›U Ans A 14. nvBWªvi †Kvb †bgv‡Uvwm‡÷i kxl©‡`k e× I KuvUvwenxb? [JU:D.11-12; DU.09-10] A. †÷ªc‡Uvwjb MøywUb¨v›U B. fj‡f›U C. w÷‡bvwUj D. †÷ªwiIwjb MøywUb¨v›U Ans B 15. GwcWvg©vj †ckx AveiYx †Kv‡li ewntcÖv‡šÍi KvR wK? [JU:D.10-11] A. †`n i¶v Kiv B. †`‡ni m‡¼vPb C. DÏxcbv MÖnY D. cwicv‡K mnvqZv Ans A 16. nvBWªvi ¶z`ªZg †bgv‡Uvwm÷ †KvbwU? [JU:D.10-11] A. Penetrant B. Volvent C. Streptoline glutinant D. Stereoline glutinant Ans D

364 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES STEP 03 ANALYSIS OF RU QUESTION 01. wb‡Wveøv÷ †Kv‡li ms‡e`x Ask †KvbwU? [RU:SG-2,18-19] A. evwe© B. wb‡Wvwmj C. evwe©Ij D. cu¨vPv‡bv m~ÎK Ans B 02. nvBWªvi †`‡ni †K‡›`ª Aew¯’Z duvKv MnŸi‡K Kx e‡j? [RU:SG-2,18-19] A. wm‡j‡›Uib B. wn‡gvwmj C. wm‡jvg D. eøv‡÷vwmj Ans A 03. B›Uviw÷wkqvj †Kv‡li KvR Kx? [RU:SG-1,18-19] A. ey` ey` m„wó Kiv B. Lv`¨ MÖnY Kiv C. cÖ‡qvR‡b †h †Kvb †Kvl MVb Kiv D. AvZ¥i¶v Kiv Ans C 04. †Kvb ai‡Yi †bgv‡Uvwm‡÷ KuvUv _v‡K? [RU.17-18] A. w÷‡bvwUj B. fj‡f›U C. †÷ªc‡Uvwjb MøywUb¨v›U D. †÷wiIwjb MøywUb¨v›U Ans C 05. ivmvqwbKfv‡e wnc‡bvUw·b †Kvb Drcv`‡b MwVZ? [RU.16-17] A. †cÖvwUb I wjwcW B. †cÖvwUb I †dbj C. wjwcW I †dbj D. RvBwjb I †cÖvwUb Ans B 06. Cnidocyte-Gi KvR bq †KvbwU? [RU.16-17] A. Lv`¨ aiv B. AvZ¥i¶v Kiv C. Pjb D. cÖRbb Ans D 07. Hydra vulgaris Gi †`‡ni eY©- [RU.15-16] A. cÖvq eY©nxb B. meyR C. nj‡`‡U D. ev`vgx Ans A 08. Hydra †Kgb RvqMvq emevm K‡i? [RU.15-16] A. †jvbv cvwb‡Z B. wgVv cvwb‡Z C. †jvbv I wgVv cvwb‡Z D. mgy‡`ªi cvwb‡Z Ans B 09. nvBWªv wkKv‡ii †`‡n wb‡Pi †KvbwU cÖ‡ek Kwi‡q Aek K‡i? [RU.15-16] A. wnc‡bvUw·b B. MøywUUw·b C. †bgv‡UvUw·b D. wgD‡KvUw·b Ans A 10. Hydra-i cÖK…Z Avwe®‥viK- [RU.13-14] A. wjbxqvm B. WviDBb C. †Uª¤^‡j D. Iqv‡jm Ans C 11. Hydra Gi †`n j¤^vq cÖvq- [RU.12-13] A. 10-15 wg. wg. B. 10-30 wg. wg C. 20-40 wg. wg D. 05-10 wg. wg Ans B 12. †KvbwU nvBWªvi evwn‡ii ¯Íi? [RU.12-13] A. GwcWvwg©m B. M¨v‡÷ªvWvwg©m C. wb‡Wveøv÷ D. †bgv‡Uvwmó Ans A 13. nvBWªvi †Kvb †Kvl ïµvYy I wW¤^vYy m„wó K‡i? [RU.11-12; MAT.94-95] A. wb‡Wveøv÷ †Kvl B. Rbb †Kvl C. MÖwš
 †Kvl D. B›Uviw÷wkqvj †Kvl Ans B 14. wb‡WvmvBU _v‡K nvBWªvi- [RU.09-10] A. AšÍtZ¡‡K B. ewntZ¡‡K C. Rbbv‡½ D. gyKz‡j Ans B 15. Hydra/ Hydra vulgaris Lv`¨vfv‡mi w`K w`‡q †Kvb ai‡Yi cÖvYx? [RU.08-09,04-05] A. Z…Y‡fvRx B. gvsmvkx C. me©fz³ D. g„Z‡fvRx Ans B 16. Hydra Gi †`‡n †g‡mvwMøqv †Kvb ai‡bi ¯Íi? [RU.08-09; CU. 01-02] A. †Kvlxq B. A‡Kvlxq C. †Kvlim wbtm„Z Zij D. GwcWvwg©m D™¢~Z †Kvl Ans B 17. †Kvb ai‡Yi †bgv‡Uvwm÷ wkKvi‡K Rwo‡q a‡i? [RU.08-09] A. w÷‡bvwUj B. fj‡f›U C. †÷ªc‡Uvwjb D. †÷ªwiIwjb Ans B STEP 04 ANALYSIS OF CU QUESTION 01. Hydra Gi †bgv‡Uvwm÷ cvIqv hvq Bnvi- [CU.17-18] A. ms‡e`x †Kv‡l B. MÖwš
 †Kv‡l C. Rbb †Kv‡l D. wb‡WvmvBU †Kv‡l Ans D 02. wnc‡bvUw·b (Hypnotoxin) nvBWªv (Hydra)-†Z †Kvb †Kv‡l cvIqv hvq? [CU.12-13] A. B›Uviw÷wkqvj †Kvl B. MÖwš
 †Kvl C. Gwc‡_jxq †ckx †Kvl D. d¬v‡Rjvhy³ cywó †ckx †Kvl E. wb‡WvmvBU †Kvl Ans E 03. wnc‡bvUw·b cvIqv hvq †Kvb cÖvYx‡Z? [CU:G,11-12] A. mvc B. A¨vwgev C. KuvKov weQv D. nvBWªv E. g¨v‡jwiqvi RxevYy Ans D 04. nvBWªv †Kvb c‡e©i AšÍM©Z? [CU.06-07] A. KW©vUv B. Av‡_ª©v‡cvWv C. cwi‡div D. wbWvwiqv Ans D 05. †g‡mvwMøqv n‡”Q- [CU.04-05] A. Hydra-i wØZxq åƒY¯Íi| B. Hydra-Gi wm‡j‡›Ui‡Yi GKwU A‡Kvlx ¯Íi C. GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi g‡a¨ Aew¯
Z GKwU †Kvlxq ¯Íi D. †KvbwUB bq Ans D 06. nvBWªvq †Kvb ai‡Yi †bgv‡Uvwm÷ †ekx cvIqv hv‡e? [CU.01-02] A. fj‡f›U B. MøywUb¨v›U C. †cwbUª¨v›U D. A I C DfqB Ans C 07. nvBWªvi †`n cÖvPx‡ii †Kvlhy³ ¯Íi KqwU? [CU.01-02] A. 3wU B. 2wU C. 1wU D. 4wU Ans B 08. nvBWªvi †g‡mvwMøqv Drcbœ nq? [CU.00-01] A. GwcWvwg©m n‡Z B. M¨v‡÷ªvWvwg©m n‡Z C. A I B DfqB D. †g‡mvWvwg©m n‡Z Ans C STEP 05 ANALYSIS OF DU-7 Clg QUESTION 01. Hydra Gi †ÿ‡Î †KvbwU mwVK bq? [DU. 7Clg-A: 20-21] A. mvgyw`ªK B. wg‡_vRxweZv cÖ`k©b K‡i C. wدÍix D. gy‡Kvj`Mg c×wZ‡Z cÖRbb K‡i Ans A Why nvBWªvi •ewkó¨: wgVv cvwbi cÖvwY wg‡_vRxweZv cÖ`k©b K‡i gvskvmx cÖvwY gy‡Kvj`Mg c×wZ‡Z cÖRbb K‡i †g‡mvWv‡g©i cwie‡Z© †g‡mvwMøqv _v‡K STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question JnU 01. Hydra Gi Nematocyst KZ cÖKvi? [JnU.07-08; CU.18-19,04-05] A. 4 B. 3 C. 5 D. 2 Ans A 02. nvBWªvi †¶‡Î †Kvb Z_¨wU mwVK bq? [JnU.04-05] A. nvBWªvi cÖK…Z Avwe®‥viK Aveªvnvg †Uª¤^‡j B. nvBWªv GKwU eû g¯ÍKwewkó †ivgvb •`‡Z¨i bvg C. nvBWªv gy³Rxex D. nvBWªv wgVv cvwbi cÖvYx Ans B IU 01. nvBWªvi Ask bq- [IU.19-20] A. Kwl©Kv B. nvB‡cv‡÷vg C. c`Zj D. mvBK¬‡qW Ans D Why GKwU cwiYZ Hydra-i †`n‡K cÖavYZ wZbwU As‡k fvM Kiv hvq- 1. nvB‡cv‡÷vg 2. †`nKvÐ I 3. c`Zj ev cv`-PvKwZ| mvBK¬‡qW n‡”Q Actinopterygii †kÖwYi cÖvYx‡`i AuvBk|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 365 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES PART B Analysis of Science & Technology Question BSMRSTU 01. MÖxK iƒcK_vi mv‡_ †KvbwU RwoZ? [BSMRSTU:H, 18-19, 17-18] A. kvgyK B. gvQ C. Kwl©Kv D. Lv`¨ MnŸei Ans C Why Kwl©Kv cvIqv hvq nvBWªv‡Z, nvBWªvi bvgKiY Kiv n‡q‡Q wMÖK iƒcK_vi bq gv_vIqvjv WªvM‡bi bvgvbymv‡i| PSTU 01. nvBWªvi ewntZ¡K I AšÍtZ¡‡Ki ga¨eZ©x Z¡K‡K wK e‡j? [PSTU.2013-14; MAT. 95-96] A. †g‡mvwMøqv B. †g‡mbKvBgv C. †g‡gbywU D. †g‡mvWvg Ans A RMSTU 01. nvBWªv †Kvb ai‡bi cÖvYx? [RMSTU: C. 19-20] A. gvskvmx B. Z…Y‡fvRx C. †giæ`Ûx D. me©fzK Ans A Why nvBWªv Carnivore ev gvskvmx cÖvYx| STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. †bgv‡Uvwm‡÷i (Nematocyst) wfZ‡i welv³ Zij c`v‡_©i bvg wK? [MAT.2020-21] A. Hemozoin B. Hemocyanin C. Toxin D. Hypnotoxin Ans D Why nvBWªvi †bgv‡Uvwm‡÷i wfZ‡i †cÖvwUb I †dbj mg„× wnc‡bvUw·b bvgK wekv³ Zij c`v_© _v‡K| wkKv‡ii †`‡n m~ÎK we× K‡i welv³ wnc‡bvUw·b cÖ‡ek Kwi‡q Zv‡K AÁvb I Aek K‡i †d‡j| 02. nvBWªvi †Kvb As‡k wb‡WvmvBU †Kvl me‡P‡q †ekx _v‡K? [MAT.19-20] A. †`n KvÐ B. Kwl©Kv C. c` PvKwZ D. †`n cÖvPxi Ans B Why nvBWªvi cv`PvKwZ e¨wZZ †`‡ni me©Î wb‡WvmvBU †Kvl we`¨gvb _v‡K, wKš‧ Kwl©Kv‡Z G‡`i msL¨v me‡P‡q †ewk _v‡K| 03. wb‡Pi †KvbwU wدÍix? [MAT.19-20] A. g¨v‡jwiqvi RxevYy B. wdZv K…wg C. nvBWªv D. †RuvK Ans C Why cwi‡div c‡e©i cÖvYx ¯Íiwenxb, wbWvwiqv c‡e©i cÖvYx wØ-¯Íix Ges wbWvwiqv cieZx© mKj c‡e©i cÖvYx wÎ-¯Íix| wdZv K…wg I †RuvK wbWvwiqv cieZ©x c‡e©i Ges g¨v‡jwiqv RxevYy †cÖvwU÷v RM‡Zi| 04. nvBWªvi ewntZ¡‡K mgMÖ ¯’vb Ry‡o Ae¯’vb K‡i †KvbwU? [MAT.18-19] A. ms‡e`x †Kvl B. wb‡Wveøv÷ †Kvl C. ¯œvqy †Kvl D. †cwk AveiYx †Kvl Ans D 05. wb‡Wveøv‡÷i †Kvb Ask wUªMv‡ii gZ KvR K‡i? [MAT. 06-07] A. †bgv‡Uvwm÷ B. AcviKzjvg C. wb‡Wvwmj D. †ckxm~Î Ans C 06. †Kvb cÖvYxwU wدÍix- [MAT.04-05; BAU.2000-01] A. †RvuK B. nvBWªv C. g¨v‡jwiqv RxevYy D. wdZvK…wg Ans B 07. nvBWªvi Kwl©Kv I †bgv‡Uvwm÷ cvi¯úwiK mn‡hvwMZvq †h KvRwU‡Z Ask MÖnY K‡i- [MAT.02-03] A. Pjb B. Lv`¨ msMÖn C. AvZ¥i¶v D. me¸‡jvB Ans D 08. mij AveiYx Kjvi ¯Í¤¢vKvi †Kv‡li †¶‡Î †KvbwU mZ¨ bq? [MAT. 99-01] A. MÖwš
hy³ †Kvl n‡Z Zij c`v_© ¶wiZ nq B. nvBWªvi †`n cÖvPx‡ii ewntZ¡‡K d¬¨v‡Rjv _v‡K C. nvBWªvi †`n cÖvPx‡ii AšÍtZ¡‡K ¯Í¤¢vKvi †Kv‡li miæ cÖvšÍ †_‡K GK ev GKvwaK gvbc` †ei nq D. †iwUbvi †Kvl¸‡jv wmwjqvhy³ Ans B 09. wm‡j›Uv‡iUv RvZxq cÖvYx‡`i †`‡n bvbvb ai‡bi †bgv‡Uvwm÷ kbv³ Kiv n‡q‡Q, nvBWªv‡Z †hwU cvIqv hvq bv †mwU n‡”Q [MAT. 2000-01] A. †÷ªwiIwjb MøywUb¨v›U B. †÷ªc‡Uvwjb MøywUb¨v›U C. †÷wiIM¨v÷ªyjv D. fj‡f›U Ans C 10. nvBWªvi B›Uviw÷wkqvj †Kv‡li KvR- [MAT. 96-97] A. AveiYx †Kv‡li gZ †`nveiY m„wó K‡i †`n‡K i¶v K‡i B. ¶Yc` m„wó K‡i Pj‡b AskMÖnY K‡i C. cybiærcwË I gyKzj m„wó‡Z Ask †bq D. ey`ey` m„wó K‡i fvm‡Z mvnvh¨ K‡i Ans C 11. cwicvK I cwien‡bi KvR `ywU m¤úbœ K‡i- [MAT. 90-91; IU.11-12] A. wn‡gvwmj B. jwmKv C. wm‡j‡›UiY D. i³im Ans C DAT 01. wb‡Pi †Kvb †KvlwU nvBWªvi GwcWvwg©m (Epidermis) Gi Ask bq? [DAT. 19-20] A. B›Uviw÷wkqvj †Kvl B. ÿYc`xq †Kvl C. ms‡e`xq †Kvl D. ¯œvqy †Kvl Ans B Why nvBWªvi †Kvlmg~n: GwcWvwg©‡mi †Kvlmg~n: †cwk-AveiYx †Kvl, B›Uviw÷wkqvj †Kvl, ms‡e`x †Kvl, ¯œvqy †Kvl, MÖwš
 †Kvl, Rbb †Kvl, wb‡WvmvBU| M¨v‡÷ªvWvwg©‡mi †Kvlmg~n: cywó †Kvl, MÖwš
 †Kvl, B›Uviw÷wkqvj †Kvl, ms‡e`x †Kvl Ges ¯œvqy †Kvl| 02. ÔnvBWªvi G‡ÛvWvwg©‡mi †h †Kvb †Kvl •Zix Ki‡Z cv‡i †KvbwU? [DAT.18-19] A. cywó †Kvl B. B›Uviw÷wkqvj †Kvl C. MÖwš
 †Kvl D. ms‡e`x †Kvl Ans B 03. wίÍix cÖvYxi •ewk‡ó¨ †KvbwU c‡o bv? [DAT.05-06] A. †`n MnŸi‡K wm‡jvg ejv nq B. †`nf¨šÍ‡i GKwUgvÎ bvjx †`Lv hvq C. †`‡ni †Kvl¸‡jv G‡±vWvg©, †g‡mvWvg© I G‡ÛvWvg© bvgK wZbwU †Kvl¯Í‡i web¨¯Í _v‡K D. åƒY ¯Í‡ii †Kvl¸‡jv wewfbœ ¯Íi MVb Kiv, A½ I A½Zš¿ MVb K‡i Ans B 04. nvBWªvi †`nMnŸi‡K M¨v‡÷ªvfv¯‥zjvi MnŸi ejv nq †Kb? [DAT. 97-98] A. GwU †iP‡b mnvqZv K‡i| B. GwU †c․wóKZš¿ I msenbZ‡š¿i KvR K‡i C. GwU ïaygvÎ msenbZš¿ wnmv‡e KvR K‡i D. †KvbwUB bq| Ans B STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. nvBWªvi †Kvb †bgv‡Uvwm‡÷ †dbj _v‡K? [Xv. †ev. 2019] A. fj‡f›U B. †÷ªc‡Uvwjb MøwUb¨v›U C. †cwbUªv›U D. †÷wiIwjb MøwUb¨v›U Ans C 02. †Kvb †Kv‡li Kvi‡Y Hydra †K Agi cÖvYx ejv nq? [Xv. †ev. 2019] A. wb‡WvmvBU B. †ckx AveiYx C. Rbb †Kvl D. B›Uviw÷wkqvj Ans D Rajshahi Board 01. Hydra-i †Kvb †KvlwU †KejgvÎ ewnt¯Í‡i we`¨gvb? [iv. †ev. 2019] A. wb‡Wveøv÷ †Kvl B. ¯œvqy †Kvl C. MÖwš
 †Kvl D. ÿYc`xq †Kvl Ans A 02. wb‡WvmvBU †Kvl †Kv_vq cvIqv hvq? [iv. †ev. 2017] A. Hydra B. Taenia C. Copsychus D. Panthera Ans A

366 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES Cumilla Board 01. wb‡¤œi †KvbwU †cwbUª¨v›U †bgv‡Uvwm‡÷i •ewkó¨? [Kz. †ev. 2019] A. m~ÎK KuvUvhy³ B. AvVv‡jv im ÿiY K‡i C. kxl©‡`k eÜ D. evU cÖk¯
 Ans D Sylhet Board 01. Hydra-i †Kvb †KvlwU †KejgvÎ ewnt¯Í‡i we`¨gvb? [wm. †ev. 2019] A. wb‡Wveøv÷ †Kvl B. ¯œvqy †Kvl C. MÖwš
 †Kvl D. ÿYc`xq †Kvl Ans A 02. fj‡f‡›Ui •ewkó¨ †KvbwU? [wm. †ev. 2017] A. †Kv‡bv k¨vdU _v‡K bv B. eve© I evweDj Dcw¯
Z C. m~·K ÿz`ª ÿz`ª KuvUv we`¨gvb D. m~·Ki AMÖfvM e× Ans D Barisal Board 01. GKevi e¨eüZ †bgv‡Uvwm‡÷i cwiYwZ Kx nq? [e. †ev. 2017] A. †`‡n cwicvK nq B. †`‡ni evB‡i wb®…všÍ nq C. cybivq Kg©ÿg nq D. Ab¨‡Kv‡l cwieZ©xZ nq Ans A CONCEPT 02 nvBWªvi Rxeb-hvcb ITEM 01 cwicvK nvBWªv‡Z `y&Õav‡c cwicvK m¤úbœ nq| Ñ cÖavb Lv`¨ µv÷vmxq mwÜc`x cÖvYx| GQvovI gv‡Qi wWg, KxUcZ‡½i jvf©v, Cyclops, Daphnia bv‡g mwÜc`x cÖvwY, †QvU †QvU K…wg, LÛvwqZ cÖvwY (Annelida) etc. AšÍt‡Kvlxq cwicvK ewnt‡Kvlxq †cÖvwUb cwj‡ccUvB‡W cwiYZ nq wjwcW wjwc‡Wi cwicvK nq bv cwj‡ccUvBW A¨vgvB‡bv Gwm‡W cwiYZ nq wjwcW d¨vwU GwmW I wMømvi‡j cwiYZ nq kK©iv cwicvK nq bv kK©iv Møy‡Kv‡R cwiYZ nq (Ref: AvRgj m¨vi, Avjxg m¨vi) ITEM 02 Rbb nvBWªv‡Z A‡h․b I †h․b cÖwµqvq Rbb m¤úbœ nq| Aby‣`N©¨ AbycÖ¯
 MÖx®§Kv‡j Lv‡`¨i cÖvPzh©¨Zvi mgq ¯^vfvweK Rbb Rbb A‡h․b (M¨v‡gU Qvov) kirKv‡j Lv‡`¨i AcÖZzjZvi mgq A¯
vqx Rbbv½ •Zwi nq| cwiùzUb: giæjv eøv÷zjv M¨v÷ªyjv nvBWªyjv †h․b wØwefvRb gyKz‡jv`Mg ÿz`ª †bgv‡Uvwm÷ †KvbwU...?? nvBWªvi Rbb cÖwµqv: i. gyKz‡jv`Mg: GwU A‡h․b Rb‡bi ¯^vfvweK cÖwµqv| eQ‡ii me FZz‡ZB we‡kl K‡i MÖx®§Kv‡j ch©vß Lv`¨ mieivn _vKvq GwU †ewk N‡U| ii. wefvRb: wefvRb †Kv‡bv ¯^vfvweK Rbb cÖwµqv bq KviY GwU •`evr msNwUZ nq| †Kvb evwn¨K Kvi‡Y nvBWªvi †`n `yB ev Z‡ZvwaK L‡Ð wef³ n‡j cÖ‡Z¨K LÐ †_‡K bZzb nvBWªv Rb¥vq| G‡K cybiærcwË e‡j, KviY G cÖwµqvq †`‡ni nviv‡bv ev webó Ask cybM©wVZ nq| iii. †h․b Rbb: wb‡l‡Ki gva¨‡g RvB‡MvU m„wói D‡Ï‡k¨ `ywU cwiYZ Rbb‡Kv‡li (ïµvYy I wW¤^vYy) wbDwK¬qv‡mi GKxfeb cÖwµqv‡K †h․b Rbb e‡j| A¯’vqx Rbbv½ m„wó: cÖavbZ kirKv‡j Lv`¨ ¯^íZvi g‡Zv cÖwZK~j cwi‡e‡k G‡`i †`‡n A¯
vqx Rbbv‡½i m„wó Ges †h․b Rbb N‡U| cyiæl I ¯¿x Rbbv½‡K h_vµ‡g ïµvkq I wW¤^vkq e‡j| wb‡lK: ïµvYy cwiYZ n‡j ïµvk‡qi wbcj we`xY© K‡i wW¤^vYyi mÜv‡b cvwb‡Z Suv‡K muvZiv‡Z _v‡K| cwiùzUb: †hgb µgvš^wqK cwieZ©‡bi gva¨‡g RvB‡MvU †_‡K wkï cÖvwYi DrcwË N‡U Zv‡K cwiùzUb e‡j| (K) giæjv; (L) eøv÷zjv- eøv÷zjvi †Kvl¸‡jv‡K eøv‡÷vwgqvi Ges †K‡›`ª duvKv MnŸi‡K eøv‡÷vwmj e‡j; (M) M¨v÷ªyjv- M¨v÷ªyjvi Pviw`‡K GKwU KvBwUb wbwg©Z KuvUvhy³ wm÷ AveiYx MwVZ nq| wm÷e× åƒYwU gvZ…nvBWªv †_‡K wew”Qbœ n‡q cvwbi Zj‡`‡k P‡j hvq; (N) nvBWªyjv- nvBWªyjv wm‡÷i AveiYx we`wY© K‡i cvwb‡Z †ewi‡q Av‡m Ges ¯^vaxb Rxebhvcb ïiæ K‡i| (Ref: AvRgj m¨vi, Avjxg m¨vi)

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 367 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ITEM 03 Pjb nvBWªvi wewfbœ cÖKvi Pjb: jywcs ev dvmv Pjb ev nvgv¸wo: j¤^v `~iZ¡, GKUv jyc •Zwi K‡i| †RvKv Pjb ev kuyqv‡cvKv Pjb bv‡g cwiwPZ| mgvimwës ev wWMevwR ev `ªæZ Pjb: mvaviY Pjb, cÖwZKzj cwi‡e‡k, 2 evi jyc •Zwi nq, 180 evwK‡q P‡j| MøvBwWs ev A¨vwge‡qW Pjb ev cv` PvKwZi mvnv‡h¨ Pjb: MÖwš
 †Kvl †_‡K wbtm„Z im PjbZj‡K wcw”Qj Ki‡j G ai‡bi Pjb nq| fvmv: cv`PvKwZi eøv‡÷vWvg© MÖwš
‡Kvl †_‡K ey`ey` m„wó K‡i| muvZvi: Kwl©Kv¸‡jv‡K †XD‡qi g‡Zv Av‡›`vwjZ K‡i PjvPj K‡i| †nuPov‡bv ev nvgv¸wo ev Crawling: †Kvb e¯‧‡K AuvK‡o a‡i Pjb m¤úbœ K‡i, G cÖwµqv Av‡ivnb I Ae‡ivnb c×wZ‡Z m¤úbœ nq nuvUv ev bZgyLx Pjb ev Tentacular: †`‡ni fi Kwl©Kvi Dci †i‡L PjvPj K‡i| †`‡ni ms‡KvPb cÖmviY: †`n‡K gy³ K‡i ms‡KvPb cÖmvi‡Yi gva¨‡g PjvPj K‡i| Av‡ivnb ev Climbing: RjR Dw™¢‡` kvLvcÖkvLvi m‡½ Kwl©Kv‡K mshy³ K‡i PjvPj K‡i| nvBWªvi jywcs Pjb I wWMevRx Pj‡bi g‡a¨ Zzjbv: Zzjbxq welq jywcs Pjb wWMevRx Pjb Pjb cÖwµqv we‡kl Pjb mvaviY Pjb MwZi w`K nvgv¸woi †ÿ‡Î †`‡ni †g․wLK Ask me©`v MwZc‡_i w`‡K Ges cv`PvKwZ wcQ‡b _v‡K| wWMevRxi †ÿ‡Î †`‡ni †g․wLK Ask I cv`PvKwZ chv©qµ‡g MwZc‡_i w`‡K I wcQ‡b _v‡K| jy‡ci msL¨v GKwU nvgv¸wo‡Z GKwU jyc MwVZ nq| GKwU wWMevRx‡Z `ywU jyc MwVZ nq| AwZµvšÍ `~iZ¡ GKwU nvgv¸wo‡Z †`‡ni •`N¨© A‡cÿv Kg `~iZ¡ AwZµg K‡i| GKwU wWMevRx‡Z †`‡ni •`‡N¨©i cÖvq wظY `~iZ¡ AwZµg K‡i| Pj‡bi MwZ nvgv¸wo c×wZ‡Z nvBWªv A‡cÿvK…Z gš
i MwZ‡Z P‡j| wWMevRx c×wZ‡Z nvBWªv A‡cÿvK…Z `ªæZMwZ‡Z P‡j| (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg) ITEM 04 wg‡_vRxweZv hLb wfbœ cÖRvwZfy³ `ywU Rxe Ggbfv‡e mnve¯
vb K‡i hv‡Z DfqB Df‡qi wbKU n‡Z DcK…Z nq| G ai‡bi mnve¯
vb c×wZ‡K wg‡_vRxweZv ev wmgev‡qvwmm Ges Rxe `ywU‡K ejv nq wg‡_vRxex (Symbiont)| meyR nvBWªv (Chlorohydra viridissima) Ges •kevj (Zoochlorella sp.) wmgev‡qvwmm cÖwµqvq Rxebhvcb K‡i| nvBWªvi cÖvß DcKvi: •kevj KZ…©K cÖ¯‧ZK…Z kK©iv nvBWªv Lv`¨ wnmv‡e MÖnY K‡i| nvBWªvi †`‡n wecvK wµqvi d‡j Drcbœ eR¨© c`v_©, †hgb- CO2, bvB‡Uªv‡Rb NwUZ eR¨© c`v_© BZ¨vw` •kevj KZ…©K e¨eüZ nq Ges Gi d‡j nvBWªv DcK…Z nq| •kev‡ji mv‡jvKms‡kølY cÖwµqvq wbM©Z Aw·‡Rb nvBWªv •Rekw³ Drcv`bKv‡j e¨envi K‡i| •kev‡ji cÖvß DcKvi: •kevj nvBWªvi M¨v‡÷ªvWvwg©‡mi wbDwUªwUf gvmKzjvi †Kv‡l wbivc` Avkª‡q emevm K‡i| mv‡jvKms‡kølY cÖwµqvq kK©iv Drcv`‡bi Rb¨ †h CO2 cÖ‡qvRb nq Zv nvBWªvi k¦m‡bi d‡j Drcbœ CO2 †_‡K mieivn nq| nvBWªvi wecvK wµqvi d‡j Drcbœ bvB‡Uªv‡Rb NwUZ eR©¨ c`v_© •kevj KZ…©K e¨eüZ nq| Hydra O2 Ges kK©iv RvZxq Lv`¨ MÖnY AvkÖq, N2 RvZ eR©¨ I CO2 MÖnY Zoochlorella (Ref : AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg) WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question wg‡_vRxweZv Kx? [w`. †ev. 2017] DËi: hLb `ywU wfbœ cÖRvwZf~³ Rxe Nwbófv‡e mnve¯
v‡bi ci¯ú‡ii KvQ †_‡K DcK…Z nq ZLb G ai‡bi mvnPvh©‡K wg‡_vRxweZv e‡j| gyKy‡jv`Mg ej‡Z wK eyS? DËi: GwU A‡h․b Rb‡bi ¯^vfvweK cÖwµqv| AbyKzj cwi‡e‡k I Lv‡`¨i cÖvPzh©Zv _vK‡j Hydra gyKz‡jv`Mg ev evwWs c×wZ‡Z eskwe¯Ívi K‡i _v‡K| mvaviYZ MÖx®§Kv‡j G c×wZ‡Z Hydra eske„w× K‡i|

368 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES nvBWªvi wg‡_vRxexZv e¨vL¨v Ki? DËi: hLb `ywU wfbœ cÖRvwZf~³ Rxe Nwbófv‡e mnve¯
v‡bi d‡j ci¯ú‡ii KvQ †_‡K DcK…Z nq ZLb G ai‡bi mvnPvh©‡K wg‡_vRxweZv e‡j| G Ae¯
vq Rxe`ywU‡K wg‡_vRxex ejv nq| Hydra viridissima (Chlorohydra viridissima) bvgK meyR nvBWªv I Zoochlorella bvgK •kev‡ji my¯úó †`Lv hvq| Zoochlorella ev meyR •kevj, nvBWªvi MÖ¨v‡÷vWvwg©‡m evm K‡i| nvBWªv Aa©¯^”Q cÖvYx nIqvi G •kev‡ji AšÍt¯
 Dcw¯
wZ G nvBWªv‡K meyR eY© cÖ`vb K‡i Ges GRb¨ nvBWªvwUI evB‡i †_‡K meyR †`Lvq| mgvimwës Kx? DËi: Hydra-i mvaviYZ `ªæZ Pjb cÖwµqv n‡jv mgvimwës ev wWMevwR| G cÖwµqvi ïiæ‡Z Hydra †`n‡K euvwK‡q Pj‡bi MwZc‡_ Kwl©Kvq Aew¯
Z MøywUb¨v›U RvZxq †bgv‡Uvwm‡÷i AvVv‡jv ÿi‡Yi mvnv‡h¨ MwZc_‡K ¯úk© K‡i| G mgq MšÍe¨¯
jgyLx †cwk-AveiYx †Kv‡li ms‡KvPb I Aci cv‡ki Abyiƒc †Kv‡li m¤úªmviY N‡U| c‡i cv`-PvKwZ wely³ K‡i Kwl©Kvi Dci fi w`‡q †`n‡K †mvRv K‡i †`q| cybivq †`n‡K euvwK‡q cv`-PvKwZi mvnv‡h¨ MwZc_‡K ¯úk© K‡i| c‡i Kwl©Kv gy³ K‡i †`n‡K †mvRv K‡i †`q| G cÖwµqvi cybive„wË NwU‡q Hydra `ªæZ ¯
vb Z¨vM K‡i| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. †h m¤ú‡K© Dfq cÖRvwZi-B DcK…Z nq Zv‡K e‡jÑ [DU.08-09] A. Host B. Parasitism C. Parasite D. Mutualism Ans D Why hLb `ywU wfbœ cÖRvwZfz³ Rxe Nwbôfv‡e mnve¯
v‡bi d‡j ci¯ú‡ii KvQ †_‡K DcK…Z nq| ZLb G ai‡bi mvnPh©‡K wg‡_vRxweZv e‡j| STEP 02 ANALYSIS OF JU QUESTION 01. nvBWªvi Rbbv½ m„wó nq †Kvb FZz‡Z? [JU-D, Set-D. 20-21] A. †ngšÍ I kxZ B. MÖx®§ I el©v C. MÖx®§ I kxZ D. kxZ I emšÍ Ans A Why A¯’vqx Rbbv½ m„wó: cÖavbZ kxZKvj/†ngšÍKvj/kirKv‡j Lv`¨ ¯^íZvi g‡Zv cÖwZK~j cwi‡e‡k G‡`i †`‡n A¯
vqx Rbbv‡½i m„wó Ges †h․b Rbb N‡U| cyiæl I ¯¿x Rbbv½‡K h_vµ‡g ïµvkq I wW¤^vkq e‡j| 02. HydraÕi gyKzj m„wói AbyK‚j FZz †KvbwU? [JU-D, Set-F. 20-21] A. †ngšÍKvj B. kxZKvj C. MÖx®§Kvj D. el©vKvj Ans C Why MÖx®§Kv‡j ch©vß Lv`¨ mieivn _vKvq MÖx®§Kvj HydraÕi gyKzj m„wói AbyK‚j FZz| 03. †Kvb cÖwµqvq nvBWªv Av‡ivnb I Ae‡ivnb K‡i? [JU:D,11-12] A. †`‡ni ms‡KvPb-cÖmviY B. µgms‡KvPb C. †nuPov‡bv D. A¨vwge‡qW Pjb Ans C STEP 03 ANALYSIS OF RU QUESTION 01. nvBWªvi Pj‡b MøvBwWs Gi Aci bvg- [RU.11-12] A. jywcs B. mgvi mwës B. µwjs D. A¨vwge‡qW Pjb Ans D STEP 04 ANALYSIS OF CU QUESTION 01. Zoochlorella nvBWªvi †Kv_vq _v‡K? [CU-A, Shift-4. 20-21] A. G‡±vWvwg©m B. M¨v‡÷ªvWvwg©‡m C. †g‡mvwMøqv D. wm‡j‡›Uib Ans B Why Zoochlorella I nvBWªvi wg‡_vRxweZv jÿ¨ Kiv hvq †m‡ÿ‡Î RyI‡K¬v‡ijv nvBWªvi M¨v‡÷ªWvwg©‡m Ae¯
vb K‡i| 02. wb‡Pi †Kvb cÖvYx‡Z A‡h․b I †h․b Dfq cÖRbb c×wZ we`¨gvb? [CU-A, Shift-2. 20-21] A. †g․gvwQ B. iæB gvQ C. Nvm dwos D. nvBWªv Ans D Why nvBWªvi Rbb `yB fv‡e m¤úbœ nq| h_v: (i) A‡h․b Rbb (gyKz‡jv`Mg I wefvRb), (ii) †h․b Rbb| STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question JnU 01. nvBWªvi wg‡_vRxex m¤úK© (Symbiotic relationship) nqÑ [JnU.11-12] A. •kevj I Hydra vulgaris Gi g‡a¨ B. •kevj I Chlorohydra viridissima Gi g‡a¨ C. •kevj I Hydra gangetica Gi g‡a¨ D. •kevj I Plmatohydra oligactis Gi g‡a¨ Ans B KU 01. mgvimwës c×wZ †Kvb cÖvYxi Pjb cÖwµqv? [KU:B, 12-13; RU. 12-13] A. e¨vO B. Avi‡kvjv C. nvBWªv D. wMwbwcM Ans C PART B Analysis of Science & Technology Question MBSTU 01. Hydra-i `ªæZ Pjb c×wZ- [MBSTU: B, 19-20; MAT.16-17; DU.15-16] A. mgvi mwës B. MøvBwWs C. fvmv D. muvZvi Ans A Why muvZvi: Kwl©Kv¸‡jv‡K †XD‡qi g‡Zv Av‡›`vwjZ K‡i Ges †`n‡K wfwË †_‡K gy³ K‡i Hydra mn‡RB muvZvi KvU‡Z cv‡i| MøvBwWs: G cÖwµqvq Hydra c`Z‡ji ewntZ¡Kxq †Kvl¸‡jv †_‡K wcw”Qj im ÿiY K‡i| fvmv: gv‡S gv‡S Hydra c`Z‡ji ewntZ¡Kxq †Kvl †_‡K M¨vmxq ey`ey` m„wó K‡i, d‡j cÖvYx wfwË †_‡K wePz¨Z, nvjKv I Dcyo n‡q cvwbi c„ôZ‡j †f‡m D‡V| HSTU 01. nvBWªv‡Z †Kvb ai‡bi wb‡lK nq? [HSTU:A, 18-19] A. AšÍtwb‡lK B. ciwb‡lK C. evBwb‡lK D. †KvbwUB bq Ans B Why GKwU nvBWªv‡Z GKB mg‡q ïµvYy I wW¤^vYy •Zix nq bv ZvB ciwb‡lK N‡U| STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. †Kvb c×wZ‡Z nvBWªv j¤^v `~iZ¡ AwZµg K‡i? [MAT.2020-21] A. wWMevwR B. mvZvi C. MøvBwWs D. nvgv¸wo Ans D Why j¤^v `~iZ¡ AwZµ‡gi Rb¨ nvBWªv mvaviYZ jywcs ev nvgv¸wo Pj‡bi AvkÖq †bq| G cÖwµqvi ïiæ‡Z GK cv‡ki †cwk-AveiYx †Kvl¸‡jv m¼zwPZ nq Ges Aci cv‡ki Abyiƒc †Kvl¸‡jv m¤úªmvwiZ nq| d‡j nvBWªv MwZc‡_i w`‡K †`n‡K cÖmvwiZ K‡i I euvwK‡q †g․wLK Zj‡K wfwËi KvQvKvwQ wb‡q Av‡m Ges Kwl©Kvi MøywUb¨v›U †bgv‡Uvwm‡÷i mvnv‡h¨ wfwˇK AvU‡K a‡i| Gici cv`-PvKwZ‡K gy³ K‡i gy‡Li KvQvKvwQ G‡b ¯
vcb K‡i Ges Kwl©Kv wehy³ K‡i †mvRv n‡q `uvovq| G c×wZi cybive„wË NwU‡q nvBWªv ¯
vb Z¨vM K‡i|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 369 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 02. nvBWªvi Lv`¨ bq †KvbwU? [MAT. 17-18] A. mvBK¬cm B. W¨vdwbqv C. LÛKvwqZ cÖvYx D. †QvU Nvm Ans D 03. †Kvb cÖvYx A‡h․b I †h․b `yfv‡eB cÖRbb m¤úbœ K‡i? [MAT.15-16] A. iæB gvQ B. nvBWªv C. Nvmdwos D. †g․gvwQ Ans B 04. nvBWªvi gyKzj wK Kv‡R e¨eüZ nq? [MAT. 14-15] A. A‡h․b cÖRbb B. cybiærcwË C. Pjb D. †h․b cÖRbb Ans A 05. †KvbwU nvBWªv-Gi Pjb bq? [MAT. 13-14] A. jywcs B. MøvBwWs C. Wªwcs D. µwjs Ans C 06. nvBWªv hLb Zvi †`‡ni fi c`Z‡ji Dci bv †i‡L Kwl©Kvi Dci ¯’vcb K‡i Ges Kwl©Kv‡K cv‡qi g‡Zv e¨envi K‡i Dëvfv‡e ax‡i ax‡i P‡j, ZLb †mwU wK ai‡bi Pjb? [MAT. 06-07] A. MøvBwWs B. †nuPovb C. fvmv D. bZg~Lx Ans D 07. nvBWªv A‡h․b cÖRbb m¤úbœ K‡i †Kvb cÖwµqvq? [MAT. 93-94; DAT. 95-96] A. gyKz‡jv`Mg B. wØwefvRb C. cv‡_©‡bv‡R‡bwmm D. †KvbwUB bq Ans AB 08. nvBWªvi †ejvq †KvbwU mZ¨ bq? [MAT.95-96] A. ¯^vfvweK cÖRbb cÖwµqv gyKz‡jv`Mg| B. †`nvf¨šÍ‡i cwicvK msenb MnŸiwU wm‡j‡›UiY| C. ewntZ¡K I AšÍtZ¡‡Ki gvSLv‡b A‡Kvlxq ¯ÍiwUi bvg †g‡mvwMøqv D. `ªæZ Pjb cÖwµqvi bvg jywcs Ans D 09. nvBWªvi cÖRbb nq- [MAT. 94-95; DAT. 95-96] A. A‡h․b Dcv‡q B. wØ-wefvRb, gyKz‡jv`Mg I †h․b Dcv‡q C. cÖwZK‚j cwi‡e‡k eûwefvRb Øviv D. AbyK‚j cwi‡e‡k wØ-wefvRb Øviv Ans B 10. †Kvb Dw³wU mZ¨? [MAT. 93-94] A. ¶zavZ© nvBWªv †cU fiv Ae¯
vi PvB‡Z gš
i MwZ‡Z P‡j B. ¶zavZ© nvBWªv †cU fiv Ae¯
vi PvB‡Z `ªæZ MwZ‡Z P‡j| C. ¶zavZ© wKsev †cU fiv Ae¯
vq nvBWªvi MwZ‡Z †Kvb cv_©K¨ nq bv| D. †KvbwUB bq| Ans B DAT 01. nvBWªvi †h․b Rb‡bi †ejvq †hwU mZ¨ bq? [DAT. 99-00] A. nvB‡cv‡óv‡gi KvQvKvwQ GK ev GKvwaK ïµvkq m„wó nq| B. Dfq wj½ n‡jI G‡`i ¯^-wb‡lK N‡U bv| C. wW¤^vYyi B›Uviw÷wkqvj †Kvl wg‡qvwmm cÖwµqvq wefvwRZ n‡q DI‡Mvwbqvg MVb K‡i| D. cÖwZwU cwiYZ ïµvYy GKwU g¯ÍK, GKwU ga¨LÛ Ges GKwU †jR wb‡q MwVZ| Ans C 02. nvBWªvi ¯œvqy‡Kvl- [DAT. 96-97] A. wew¶ßfv‡e cywó †Kv‡li dvu‡K dvu‡K Ae¯
vb K‡i B. †ckx AveiYx †Kv‡li dvu‡K dvu‡K Ae¯
vb K‡i C. AšÍtZ¡‡Ki †ewki fvM Ask Ry‡o Aew¯
Z D. †g‡mvwMøqv †Nu‡l Aew¯
Z Ans D AFMC 01. nvBWªv †Kvb c‡e©i cÖvYx? [AFMC. 2020-21] A. wbWvwiqv B. GKvB‡bvWvg©vUv C. KW©vUv D. gjv¯‥v Ans A Why nvBWªv ÿz`ªvK…wZ ¯^v`ycvwbi cÖvwYi MY hv wbWvwiqv c‡e©i nvB‡Wªv‡Rvqv †kÖwYi AšÍM©Z| G‡`i cvIqv hvq bvwZkx‡Zvò I MÖx®§gÛjxq A‡j| RxeweÁvbxiv nvBWªvi cÖwZ we‡kl AvMÖnx Gi cybiærcwË ÿgZvi Rb¨| nvBWªvi cÖK…Z Avwe®‥viK Aveªvnvg †Uª¤^‡j (1700-1784 wLª÷v‡ã)| K¨v‡ivjvm wjwbqvm Gi bvg †`b nvBWªv| wbWvwiqv c‡e©i Ab¨vb¨ cÖvwY: †Rwjwdm, mgy`ª cvjK, bxj †evZvg, mvMi cvLv BZ¨vw`| STEP 08 ANALYSIS OF HSC BOARD QUESTION Cumilla Board 01. nvBWªvi †h․b Rb‡bi †ÿ‡Î wb‡¤œi †KvbwU mwVK? [Kz. †ev. 2019] A. ¯úvg©v‡Uv‡Mvwbqv ¯úvg©vwUW ¯úvg©v‡UvmvBU ïµvYy B. cÖwZKzj cwi‡e‡k msNwUZ nq C. cwiYZ wW¤^vYyi Pviw`‡K KvBwU‡bi AveiYx _v‡K D. ¯^-wb‡lK N‡U Ans B GK bR‡i nvBWªv- nvBWªvi Dc`ªe †_‡K evuPvi QK: evwn¨K MVb Af¨šÍixY MVb Lv`¨ MÖnY, cwicvK I Pjb cÖRbb †`n Aixq cÖwZmg •`N©¨ 10-30 wg.wg., PIov 1wgwg. Hydra vulgaris cÖvq eY©nxb (AvRgj) Hydra'i †`n‡K cÖavbZ 3wU As‡k fvM Kiv hvq nvB‡cv‡÷vg, †`nKvÛ, c`Zj| nvB‡cv÷vg: Gi P~ovq e„ËvKvi gyLwQ`ª Aew¯
Z| gyLwQ`ªc‡_ Lv`¨M„nxZ I AcvP¨ Ask ewn®‥…Z nq| †`nKvÛ: †`nKv‡Ûi Ask¸wj wbgœiƒc K) Kwl©Kv: msL¨v: 6-10wU (AvRgj), Kwl©Kvi ewntcÖvPx‡i †bgv‡Uvwm÷ e¨vUvix _v‡K| KvR: Lv`¨ msMÖn, Pjb, AvZ¥i¶v| †`‡ni †K›`ª¯
‡ji MnŸi wm‡j‡›Uib ev M¨v‡÷ªvfvmKzjvi MnŸi| wm‡j‡›Uib wN‡i †`ncÖvPxi| †`ncÖvPxi wدÍix-evB‡ii ¯Íi GwcWvwg©m, †fZ‡ii ¯Íi M¨v‡÷ªvWvwg©m, `yB ¯Í‡ii gv‡S _v‡K A‡Kvlxq †g‡mvwMøqv| GwcWvwg©‡mi †Kvl mg~n: 1| †ckx AveiYx †Kvl: ewntZ¡‡Ki mgMÖ Ask Ry‡o Ae¯
vb| KvR: AveiY, †ckxi gZ KvR, †`n wcw”Qj iv‡L, †bgv‡Uvwm÷ enb| 2| B›Uviw÷wkqvj †Kvl: cybiærcwË I gyKzj m„wó‡Z Ask †bq| cÖ‡qvR‡b †h‡Kvb ewnZ¡Kxq †Kv‡l cwiYZ n‡Z cv‡i| Hydra gvsmvkx cÖvYx| jvf©v, Cyclops, Daphnia bvgK µv÷vmxq mwÜc`x (Arthropoda), †QvU K…wg, BZ¨vw` Hydra i Lv`¨| Hydra'i cÖavb Lv`¨ ¶z`ª µv÷vmxq mwÜc`x| Lv`¨MÖnY c×wZ: c`Zj wfwËi mvnv‡h¨ AvU‡K Kwl©Kv fvmvq| †bgv‡Uvwm÷ wb‡¶c fj‡f›U †bgv‡Uvwm÷ wkKv‡ii MwZ‡iva K‡i, MøywUb¨v›U AvVv‡jv im ¶iY K‡i, w÷‡bvwUj wnc‡bvUw·b cÖ‡ek Kwi‡q wkKvi‡K Aek K‡i| gyLwQ`ª w`‡q Lv`¨ wm‡j‡›Ui‡b †c․Qvq Hydra †h․b I A‡h․b GB `yB cÖwµqvq esk e„w× K‡i| A‡h․b Rbb `yB cÖKvi h_vÑ gyKz‡jv`Mg I wefvRb gyKz‡jv`Mg: nvBWªvi mvaviY I ¯^vfvweK A‡h․b cÖwµqv| avcmg~n: i) cÖe„w× MVb ii) gyKzj m„wó iii) wewfbœ A½ cÖZ¨½ m„wó iv) wew”Qbœ nIqv I ¯^vaxbfv‡e emevm wefvRb: ¯^vfvweK c×wZ bq| •`evr msNwUZ nq| nvBWªvi ¯^vfvweK g„Zz¨ †bB| wefvRb `yB fv‡e nq AbycÖ¯
 I Aby‣`N©¨ wefvRb|

370 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES L) gyKzj: MÖx®§Kv‡j, AbyK‚j cwi‡e‡k, ¯^vfvweK A‡h․b cÖwµqvq †`‡ni ga¨eZ©x AÂj n‡Z gyKzj m„wó nq| KvR: bZzb Hydra m`m¨ m„wó| M) Rbbv½: †ngšÍ I kxZKv‡j †`nKv‡Ûi Dc‡ii Aa©vsk n‡Z †gvPvKvi ïµvkq Ges wb‡Pi Aa©vsk n‡Z †MvjvKvi wW¤^vkq m„wó nq| KvR: †h․b Rb‡b Ask †bq| N) e„šÍ: †`nKvÛ I cv`PvKwZ‡K mshy³ K‡i| cv`PvKwZ/c`Zj: †`nKv‡Ûi wbgœcÖv‡šÍ Aew¯
Z| KvR: i) cv`PvKwZ wbtm„Z i‡mi mvnv‡h¨ ii) ey`ey` m„wó K‡i cÖvYx‡K fvwm‡q ivL‡Z mvnvh¨ K‡i| iii) G‡`i ¶bc` MVbKvix †Kv‡li mvnv‡h¨ MøvBwWs Pjb m¤úbœ nq| BwZnvm Hydra'i cÖK…Z Avwe®‥viK Aveªvnvg †Uª¤^‡j| wjwbqvm Gi bvg †`b| nvBWªv GKwU eûg¯ÍK wewkó KvíwbK •`‡Z¨i bvg (MÖxK cyiv‡Yi) •`‡Z¨i gv_v KvU‡j Zvi e`‡j `yB ev Z‡ZvwaK gv_v MRv‡Zv| RxweZ GKwU Hydra AvovAvwofv‡e `yB ev Z‡ZvwaK fv‡M fvM Ki‡j cÖ‡Z¨K UzKiv †_‡K GKwU bZzb Hydra m„wó n‡Z †`Lv hvq| bZzb nvBWªv¸‡jv gvZ… nvBWªv A‡c¶v AvKv‡i †QvU nq| G‡KKwU UzKiv hw` 0.004 wg.wg. e¨v‡miI nq Ges hw` GwcWvwg©m I M¨v‡÷ªvWvwg©m A¶zbœ _v‡K Zvn‡j I GKwU c~Y©v½ m`m¨ cybM©wVZ n‡Z †`Lv hvq| 3| mœvqy‡Kvl: †g‡mvwMøqv †Nu‡l Ae¯
vb| mœvqy DÏxcbv †`‡ni wewfbœ Ask mieivn K‡i| 4| ms‡e`x †Kvl: AvZ¥i¶v, evm¯
vb, mœvqy DÏxcbv †`‡ni wewfbœ As‡k mieivn K‡i| 5| MÖwš’ †Kvl: gyLwQ‡`ªi Pvwiw`‡K I c`Z‡j Aew¯
Z| †j‡M _vK‡Z, fvm‡Z, Pj‡b, MjvatKi‡b mvnv‡h¨ K‡i| 6| Rbb †Kvl: †h․b Rb‡b Ask †bq| 7| wb‡WvmvBU: wb‡WvmvB‡Ui Ask mg~nÑ AveiY, †bgv‡Uvwm÷ (wnc‡bvUw·b bvgK welv³ Zi‡j c~Y©, †Mvov‡K evU e‡j, 3wU KvUvi gZ eve© I mwc©j evwe©Dj _v‡K), AcviKzjvg (XvKwb), †ckxmg~n (j¨v‡mv bvgK m~Î) M¨v‡÷ªvWvwg©‡mi †Kvl mg~n 1| cywó †Kvl / †ckx AveiYx †Kvl: 2 cÖKvi-d¬v‡Rjxq †Kvl I ¶Yc`xq †Kvl| KvR: †ckx ms‡KvPb cÖmviY, wùsUvi Gi KvR, Lv`¨¶z`ª KYvi cwiYZ, gyLwQ`ª c‡_ cvwb cÖ‡ek, Lv`¨ MjvatKiY I AšÍt¯
 cwicvK| 2| MÖwš’‡Kvl: 2 iKg-wgDKvm wbtmvix I GbRvBg wbtmvix KvR: wgDKvm-Lv`¨ wcw”Qj K‡i GbRvBg- Lv`¨ cwicvK K‡i 3| B›Uviw÷wkqvj †Kvl: Ab¨ †h †Kvb †Kvl MVb K‡i| 4| mœvqy‡Kvl: mœvqy DÏxcbv mieivn K‡i| 5| ms‡e`x: Lv`¨ I Ab¨vb¨ c`v_© hv wm‡j‡›Uib Øviv cÖ‡ek K‡i Zv hvPvB K‡i| †g‡mvwMøqv: 0.1m e¨vmwewkó, A‡Kvlxq ¯Íi KvR: ewn I AšÍtZ¡‡Ki wfwËwSjøx, †ckx cÖea©‡bi mshyw³ Zj wn‡m‡e KvR K‡i| Lv`¨ cwicvK cÖYvjx: cwicvK `yB av‡c m¤úbœ 1| ewnt‡Kvlxq cwicvK: wm‡j‡›Ui‡b N‡U GbRvB‡gi cÖfv‡e wkKv‡ii g„Zz¨ N‡U| Lv`¨ ¶z`ªKiY GbRvB‡gi mv‡_ wgwkªZ †cÖvwUb cwj‡cUvB‡W cwiYZ Ges wjwcW AcwiewZ©Z| 2| AšÍt‡Kvlxq cwicvK t wm‡j‡›Ui‡b AvswkK cvwPZ Lv`¨ KYvi Av‡iv ¶z`ªKiY ¶Yc` d¨v‡MvmvB‡Uvwmm NUvq Lv`¨MnŸi wbtm„Z GbRvBg Øviv Lv`¨ cwicvK nq Lv`¨MnŸ‡ii gv‡a¨ †cÖvwUb A¨vgvB‡bv Gwm‡W Ges †mœn d¨vwU GwmW I wMømvi‡j cwiYZ nq| cwi‡kvlY: Lv`¨ †ckx AveiYx †Kv‡li mvB‡UvcøvR‡g †kvwlZ nq| cvwb gyLwQ‡`ªi gva¨‡g †ei n‡q hvq| Pjb Hydra'q wbgœewY©Z wewfbœ ai‡Yi Pjb †`Lv hvqÑ jywcs ev dvmv Pjb mgvimwës ev wWMevwR MøvBwWs ev A¨vwge‡qW Pjb ev cv` PvKwZi mvnv‡h¨ Pjb fvmv muvZvi nvgv¸wo ev Crawling nuvUv ev bZgyLx Pjb †`‡ni ms‡KvPb cÖmviY Av‡ivnb ev Climbing †h․bRbb: B›Uviw÷wkqvj †Kvl ïµvYy gvZ…‡Kvl ¯úvg©v‡Uv‡Mvwbqv ¯úvg©v‡UvmvBU ¯úvg©vwUW ïµvYy wb‡lK + wW¤^vYy(n) DIwUW (n) DImvBU (2n) DI‡Mvwbqv (2n) wW¤^vYy gvZ…‡Kvl (2n) B›Uviw÷wkqvj †Kvl RvB‡MvU (2n) giæjv eøv÷zjv M¨v÷zªyjv nvBWªyjv c~Y©v½ nvBWªv 24-48 N›Uvi g‡a¨ wW¤^vYy‡K wbwl³ Ki‡Z bv cvi‡j wW¤^vYy webó n‡q hvq| eøv÷zjvi †Kvl eøv‡÷vwgqvi, †K‡›`ªi duvKv MnŸi eøv‡÷vwmj gvZ…‡`‡ni mv‡_ mshy³ M¨v÷yjv‡K †÷wiI M¨v÷zªjv e‡j| (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi) GK bR‡i wKQzÿY V.V.I DATA AT A GLANCE g‡b ivL mvivÿY wewfbœ cÖvYxi g‡a¨ nvBWªv eû‡Kvlx cÖvYx n‡jI †`‡n †Kv‡bv Kjv ev A½Zš¿ †bB| c~Yv©½ `kvq nvBWªv cwjc RvZxq cÖvYx| G‡`i cÖ_‡g Zoophyta ejv nZ| 1702 wLª÷‡ã A¨v›Uwb f¨vb wjD‡qbûK me©cÖ_g Hydra Gi eY©bv cÖ`vb K‡ib| †Uª¤^‡j Zuvi M‡elYvK‡j g¯ÍK AÂj‡K j¤^vjw¤^fv‡e wef³ Ki‡j 7 g¯ÍKwewkó Hydra R‡¤§| G‡±vWv‡g©i B›Uviw÷wkqvj †Kvl †_‡K kyµvkq I wW¤^vkq m„wó nq| Hydra Gi cywó ci‡fvRx/n‡jv‡RvwqK ai‡bi| n‡jvRwqK cywó chv©qµwgK cvuPwU av‡ci gva¨‡g m¤úbœ nq| Lv`¨ MÖnY, cwicvK, cwi‡kvlY, AvËxKiY I AcvP¨ Lv`¨vs‡ki †`n †_‡K ewn®‥iY| MøyUvw_Ib bvgK ivmvqwbK c`v_© mg„× Lv`¨ Hydra-Gi AwaK wcÖq| gyKz‡jv`Mg c×wZ m¤úbœ n‡Z cÖvq 3 mßvn mgq jv‡M| †h․b cÖRbb mvaviYZ cÖwZKyj cwi‡e‡k- MÖx®§, kxZ, I emšÍKv‡j N‡U| Hydra Gi wb‡lK‡K AšÍtwb‡lK ejv nq| ¯^vfvweK Ae¯
vq †bgv‡Uvwm‡÷i m~ÎK I _wj †h XvKbv w`‡q Ave„Z _v‡K, ZvB AcviKzjvg| wb‡WvmvBU †Kv‡li gy³ cÖv‡šÍi k³, `„p, ms‡e`bkxj KuvUvwU wb‡Wvwmj| nvBWªvi Lv`¨ MÖn‡bi cÖavbZg A½ n‡jv Kwl©Kv I †bgv‡Uvwm÷ †Kvlmg~n| nvBWªv †h․b Rbb cÖwµqvq eske„w×i Rb¨ ïµvYy I wW¤^vYy •Zwi K‡i| nvBWªvi ewntZ¡‡Ki me©Î jvwUg AvK…wZi we‡kl •ewkó¨m¤úbœ †h †Kvl¸‡jv †`Lv hvq Zv wb‡WvmvBU †Kvl| cÖwZwU wb‡WvmvBU wدÍix AveiY Øviv Ave„Z| †Kv‡li Af¨šÍi¯
 MnŸi I m~ÎKhy³ _‡jwU †bgv‡Uvwm÷| †bgv‡Uvwm÷ MnŸiwU Avwgl I †db‡ji mgš^‡q MwVZ welv³ Zij wnc‡bvUw·b Øviv c~Y© _v‡K| nvBWªvi `yB ¯Í‡ii gv‡S †`Lv hvq- †g‡mvwMøqv| gv‡qvwbg †`Lv hvq- †cwk AveiYx †Kv‡l| nvBWªvi wb‡WvmvBU me‡P‡q †ewk _v‡K- Kwl©Kvq| †bgv‡Uvwm‡÷i wb¤œcÖv‡šÍ 1wU †cuPv‡bv myZvi g‡Zv Ask‡K ejv nq- j¨v‡mv| nvBWªvi Lv`¨- Crustacea RvZxq ÿz`ªvKvi Av‡_ª©v‡cvWv cÖvYx, gv‡Qi wWg, †QvU †QvU K…wg, ÿz`ª cZ½, KxUcZ‡½i jvf©v, iwUdvi BZ¨vw`| wg‡_vRxex cÖRvwZ- Chlorohydra viridissima I meyR •kevj|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 371 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES 2.2 Nvmdwos [Grasshopper] CONCEPT NO MAGNETIC DECISION [hv co‡e] MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year DU JU RU CU GST MAT DAT HSC WRITTEN MCQ CONCEPT-01 MVb I •ewkó¨ 10% 10% 10% 10% 10% 20% 10% 30% CONCEPT-02 •RweK Kvh©Kjvc 20% 20% 20% 20% 40% 20% 10% 60% CONCEPT-03 ms‡e`x A½ 10% 10% 10% 10% 10% 10% 10% 40% CONCEPT-04 cÖRbb cÖwµqv I iƒcvšÍi 10% 10% 10% 10% 10% 10% 10% 60% DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University, GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test CONCEPT 01 MVb I •ewkó¨ ITEM 01 cÖv_wgK K_v •ewkó¨: c„w_ex‡Z cÖvq 10,000 ev 20,000 cÖRvwZi Nvmdwos Av‡Q| evsjv‡`‡k 20 cÖRvwZi Nvmdwos cvIqv hvq| Z…Yf~wg, evwieb, PviYf~wg, gvV, giæf~wg, Rjvf~wg‡Z evm K‡i| evsjv‡`‡k me‡P‡q AwaK †`Lv hvq Oxya chinensis Thunberg. A‡bK cÖRvwZ Av‡Q hviv `je× GK ¯
vb †_‡K Ab¨¯
v‡b Mgb K‡i| G‡`i‡K c½cvj e‡j| †kÖYxweb¨vm: Phylum: Arthropoda (mwÜc`x, KvBwUbwbwg©Z ewntK¼vj) Class : Insecta (wZb‡Rvov mwÜhy³ c`) Subclass : Pterygota (Wvbv wewkó cZ½) Order : Orthoptera (`yÕ‡Rvov Wvbvwewkó) Family : Acrididae (Lv‡Uv A¨v‡›Ubv) Genus : Poekilocerus Species : Poekilocerus pictus Nvmdwos Z…Y‡fvRx ev kvKvmx (Herbivorous) cÖvYx| Giv ¯^v`y cvwb I g¨vb‡MÖvf Rjvk‡q Kg emevm K‡i| (Ref: AvRgj m¨vi, Avjxg m¨vi) ITEM 02 evwn¨K MVb Nvmdwos-Gi mviv‡`n KvBwUbhy³ wKDwUKj G Ave„Z| ewntK¼vj nvB‡cvWvwg©m wbtm„Z c`v‡_© m„ó Ges cÖ‡Z¨K †`nLЇK †¯‥¬ivB‡Ui KwVb †cø‡Ui g‡Zv MVb •Zwi nq| †¯‥¬ivB‡Ui ms‡hvM¯
‡j m~Pvi bv‡g cvZjv big wSwjø‡Z Ave„Z| m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv mn‡RB bovPov Ki‡Z cv‡i| wKDwUK‡ji wfZ‡i I wb‡P wcM‡g›U _vKvq Nvmdwos-Gi eY©gqZv †`Lv hvq| GKbR‡i evwn¨K MVb: evwn¨K MVb g¯ÍK eÿ D`i 6wU åƒYxq LÛ _v‡K ewnt¯
 K¼vj (d«Ý, †Rbv, fv‡U©·, K¬vBwcqvm) 1 †Rvov cyÄvw¶ _v‡K 3 wU mijvwÿ ev I‡mwj _v‡K 1 †Rvov A¨v‡›Ubv _v‡K [†¯‥c, †cwW‡mj I d¬v‡Rjvg (25wU L‡Û wef³)] gy‡Lvcv½ (g¨vwÛey‡jU) UvM©vg‡K †cÖv‡bvUvg e‡j c„óxq †¯‥¬ivBU-UvM©vg, A¼xq †¯‥¬ivBU- ÷vb©vg, cvk¦x©q †¯‥¬ivBU-wcøDib k¦vmiÜ«, cv (K·v, †UªvK¨v›Uvi, wdgvi, wUweqv I Uvmv©m), Wvbv (mvg‡bi WvbvÑ GwjUªv/†UMwgbv, ïay †cQ‡bi Wvbv Do‡Z mnvqZv K‡i)| 11wU L‡Û wef³ _v‡K wU‡¤úbvg (kÖeY _wj) k¦vmiÜ« (1g †_‡K 8g LÛ ch©šÍ) cvqy I RbbA½vw` (9g I 10g LÛ‡K Aew¯
Z), IwfcwRUi (8g I 9g LЇZ Aew¯
Z) wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe?

372 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES Nvmdwos-Gi gy‡Lvcv‡½i wewfbœ Ask: bvg ¸iæZ¡c~Y© Z_¨ j¨veªvg Dc‡ii Iô MVb K‡i, g¨vwÛe‡ji w`‡K Lvevi †V‡j w`‡Z I ¯^v` wb‡Z mvnvh¨ K‡i g¨vwÛej Kiv‡Zi g‡Zv `uvZhy³ 2wU Dcv‡½i bvg g¨vwÛej ev †Pvqvj g¨vw·jv 4wU As‡k wef³- Kv‡W©v, ÷vBcm, j¨vwmwbqv, M¨vwjqv| g¨vw·jvwi cví 5 Ask wewkó hv A¨v‡›Ubv I cv‡qi AMÖfvM cwi®‥vi K‡i| Lv`¨e¯‧ niY cÖwZ‡iva K‡i Ges ms‡e`x A½ wn‡m‡e KvR K‡i| ¯^v` MÖnY, Lv`¨ P‚Y©KiY j¨vweqvg (AatIô) 2wU (†g›Uvg, mve‡g›Uvg) Ask j¨vweqvj cví 3 LÛ wewkó| GwU Lvevi dm‡K hvIqv †iva K‡i, ms‡e`x A½ I Dchy³ Lv`¨ wbev©Pb K‡i nvB‡cv d¨vwis· Aci bvg DcwRnŸv hv Lv`¨e¯‧‡K bovPov K‡i jvjvi mv‡_ †gkvq (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi) WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question c½cvj ej‡Z Kx eyS? DËi: †hme Nvmdwos AwfcÖqv‡b mÿg Ges `je×fv‡e wePiY K‡i ZvivB c½cvj| Nvmdwos Gi g¯Í‡Ki MVb wjL? DËi: Nvmdwos g¯ÍK 6 LÐ wewkó: 1 †Rvov cyÄvwÿ, 3wU mijvwÿ ev I‡mwj, 1 †Rvov A¨v‡›Ubv I gy‡Lvcv½| g¨vw·jvi Ask¸‡jvi bvg I KvR wjL? DËi: cÖwZwU g¨vw·jv Kv‡W©v, ÷vBcm, j¨vwmwbqv Ges M¨vwjqv Øviv MwVZ| g¨vw·jv Lv`¨ ai‡Z, gy‡L cÖ‡ek Kiv‡Z, ¯^v` MÖnY Ki‡Z Ges A¨v‡›Ubv I cv cwi®‥vi Ki‡Z mvnv‡h¨ K‡i Ges ms‡e`x A½ wn‡m‡e KvR K‡i| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. †Kvb Dcv½wU Nvm dwos Lv`¨ KZ©‡b e¨envi K‡i? [DU.17-18] A. j¨veªvg B. g¨vwÛej C. g¨vw·jv D. nvB‡cvd¨vwism Ans B Why nvBWªvi gy‡Lvcv‡½i wewfbœ As‡ki KvR: j¨veªvg: g¨vwÛe‡ji w`‡K †V‡j w`‡Z I ¯^v` wb‡Z mvnvh¨ K‡i| nvB‡cvd¨vwis·: Lv`¨e¯‧‡K bvovPvov K‡i jvjvi mv‡_ †gkv‡Z mvnvh¨ K‡i| g¨vwÛej: Lv`¨ †K‡U wPev‡bvq mvnvh¨ K‡i| STEP 02 ANALYSIS OF JU QUESTION 01. Nvmdwos Gi j¨vweqvj cv‡íi KvR †KvbwU? [JU-D, Set-G. 20-21] A. Lv‡`¨i ¯^v` MÖnY Kiv B. Lv`¨ P‚Y©-weP‚Y© Kiv C. Lv`¨ wbe©vPb Kiv D. ms‡e`x A½ wnmv‡e KvR Kiv Ans C Why g¨vw·jvwi cví A¨v‡›Ubv I cv‡qi AMÖfvM cwi¯‥v‡i Ask †bq, Lv`¨e¯‧ niY cÖwZ‡iva K‡i| 02. Nvmdwos Gi A¨v‡›Ubvi d¬v‡Rjvg KqwU LÛ‡K wef³? [JU-D, Set-D. 20-21] A. 26 B. 25 C. 24 D. 22 Ans B Why †¯‥c, †cwW‡mj I d¬v‡Rjvg-G wZbwU Ask wb‡q cÖ‡Z¨K A¨v‡›Ubv MwVZ| †cwW‡mj Lv‡Uv I Awef³| d¬v‡Rjvg †ek j¤^v I cÖvq 25wU LЇK wef³| 03. Nvmdwos Gi cÖwZwU †`nLÛ‡K Kx e‡j? [JU-D, Set-A. 20-21] A. wKDwUKj B. nvB‡cvWvwg©m C. †¯‥¬ivBU D. m~Pvi Ans C Why Nvmdwos-Gi mviv‡`n KvBwUbhy³ wKDwUKj G Ave„Z| ewntK¼vj nvB‡cvWvwg©m wbtm„Z c`v‡_© m„ó Ges cÖ‡Z¨K †`nLЇK †¯‥¬ivB‡Ui KwVb †cø‡Ui g‡Zv MVb •Zwi nq| †¯‥¬ivB‡Ui ms‡hvM¯
‡j m~Pvi bv‡g cvZjv big wSwjø‡Z Ave„Z| m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv mn‡RB bovPov Ki‡Z cv‡i| wKDwUK‡ji wfZ‡i I wb‡P wcM‡g›U _vKvq Nvmdwos-Gi eY©gqZv †`Lv hvq| 04. Nvmdwos Gi eÿv‡ji c„ô‡`k Kx Øviv MwVZ? [JU-D, Set-F. 20-21] A. wcøDib B. UvM©vg C. ÷vb©vg D. ¯úvBivKj Ans B Why Nvmdwos Gi †`n KvBwUbgq wKDwUKj w`‡q Ave„Z _v‡K| GB Av¯Íib‡K †¯‥¬ivBU e‡j| c„ôxq †¯‥¬ivBU‡K UvMv©g e‡j| AsKxq †¯‥¬ivBU‡K ÷vb©vg e‡j| cvk¦©xq †¯‥¬ivBU‡K wcøDib e‡j| D`‡i wcøDib _v‡K bv| 05. Nvmdwos-Gi gy‡Lvcv½-g¨vw·jvi Ask bq †KvbwU? [JU: Unit-D; Set-M;19-20] A. †Møvmv B. M¨vwjqv C. j¨vwmwbqv D. ÷vBcm Ans A Why g¨vw·jv K‡qKwU L‡Ð wef³| me‡P‡q †Mvovi LÐwU‡K Kv‡W©v I Gici Aew¯
Z LÐK‡K ÷vBcm e‡j| ÷vBc‡mi AMÖfv‡M b‡Li g‡Zv j¨vwmwbqv I XvKwbi g‡Zv M¨vwjqv bvgK `ywU LÐ cvkvcvwk Ae¯
vb K‡i| M¨vwjqvi cv‡k cuvP Askwewkó g¨vw·jvwi cví i‡q‡Q| 06. Lv‡Uv A¨v‡›Ubvhy³ Nvmdwos †Kvb †Mv‡Îi AšÍfz©³?[JU: Unit-D; Set-I;19-20] A. Acrididae B. Pieridae C. Gomphidae D. Nymphalidae Ans A Why Nvmdwos Gi †kÖYxZvwË¡K Ae¯’vb: Phylum: Arthropoda (mwÜc`x, KvBwUbwbwg©Z ewntm¼vj) Class : Insecta (wZb‡Rvov mwÜhy³ c`) Subclass : Pterygota (Wvbvwewkó cZ½) Order : Orthoptera (`yÕ‡Rvovwewkó cZ½) Family : Acrididae (Lv‡Uv A¨v‡›Ubv) Genus : Poekilocerus Species : Poekilocerus pictus 07. Nvmdwos-Gi †¯‥¬ivBU¸wji ms‡hvM¯’j wK Øviv Ave„Z? [JU: Unit-D; Set-A/B,19-20] A. †Rbv B. d«Ý C. m~Pvi D. K¬vBwcqvm Ans C Why Nvmdwos Gi MVb: fv‡U©·, d«Ý, †Rbv, K¬vBwcqvm Nvmdwos‡qi g¯Í‡Ki ewnt¯
 K¼v‡ji Ask| m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv mn‡RB bovPov Ki‡Z cv‡i|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 373 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES STEP 03 ANALYSIS OF RU QUESTION 01. Nvmdwos Gi D`i KZ L‡Û wef³? [RU:SG-1,18-19] A. 6 B. 8 C. 3 D. 11 Ans D 02. Nvmdwos Gi d¬v‡Rjvg KqwU L‡Û wef³? [RU: SG-2,18-19] A. 30-35 wU B. 25-30 wU C. 26-32 wU D. 20-25 wU Ans D 03. Avi‡kvjvi †Kvb †Kvl †_‡K †gvg ¶wiZ nq? [RU.17-18] A. G‡ÛvmvBU B. nvB‡cvmvBU C. g‡bvmvBU D. B‡bvmvBU Ans D 04. Avi‡kvjvi ¯¿x Rbb iÜ« †Kvb LÛ‡K cvIqv hvq? [RU.17-18] A. 6ô B. 7g C. 8g D. 9g Ans C 05. Nvmdwos Gi †`‡ni c„ôxq †`‡ki †Lvj‡mi bvg? [RU.16-17] A. UvM©vg B. ÷vb©vg C. wcøDiY D. †cÖvbvUvg Ans A STEP 04 ANALYSIS OF CU QUESTION 01. Nvm dwos Gi j¨veªvg gvby‡li †Kvb As‡ki mgZzj¨? [CU.18-19] A. gyL B. wRnŸv C. Dc‡ii †VvuU D. bx‡Pi †VvuU Ans C 02. Nvm dwos Gi kixiwU my¯úófv‡e wef³ nq- [CU.17-18] A. gv_v, e¶ Ges D`‡i B. †cÖv‡mvgv Ges Awcm‡_v‡mvgvq C. wk‡ive¶ Ges D`‡i D. †cÖv‡mvgv Ges wk‡ive‡¶ Ans A 03. cZ‡½i cv‡q Coxa Gi c‡i †Kvb Ask? [CU.15-16] A. Claw B. Arolium C. Trochanter D. Tibia E. Femur Ans C STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question CoU 01. Nvm dwos Gi g¯Í‡Ki c„ô‡`‡k w·KvYvKvi AskwUi bvg Kx? [CoU: A. 19-20] A. fv‡U©· B. d«Ý C. †Rbv D. K¬vBwcqvm Ans A Why Nvmdwos-Gi ewnt¯’ K¼v‡ji wewfbœ As‡ki AvK…wZ: As‡ki bvg AvK…wZ fv‡U©· w·KvYvKvi †Rbv `yB cv‡k Ae¯
vb K‡i d«Ý PIov K¬vBwcqvm AvqZKvi †cø‡Ui g‡Zv BU 01. Nvmdwos Gi gy‡Lvcv‡½i Ask bq- [BU.17-18] A. j¨veªvg B. g¨vwÛej C. j¨vweqvg D. †UªvK¨v›Ui Ans D 02. Avi‡kvjvi gy‡Lvcv‡½i Ask- [BU.17-18] A. wUg‡cbvg B. G·‡Uji C. nvB‡cvd¨vwis· D. Uvm©vm Ans C PART B Analysis of Science & Technology Question MBSTU 01. †KvbwU Nvmdwos Gi e‡ÿi Ask bq? [MBSTU: Unit-B, 19-20] A. Prothorax B. Pronotum C. Mesothorax D. Metathorax Ans B Why Nvmdwos Gi e‡ÿi cÖavb wZbwU Ask: (i) Prothorax- AMÖeÿ (ii) Mesothorax- ga¨eÿ (iii) Metathorax- cðvreÿ Pronotum n‡”Q AMÖe‡ÿi UvM©vg Ask| STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. †Kvb&wU Nvm dwos-Gi g¯Í‡Ki ewntK¼v‡ji Ask bq? [MAT. 16-17] A. †Rbv B. Gwc‡µwbqvg C. I‡mwj D. fv‡U©· Ans C 02. Nvmdwos Gi AMÖfv‡Mi miæ I k³ WvbvØq‡K wK e‡j? [MAT. 15-16] A. ÷vibvg B. Uvimvm C. UªKv›Uvi D. †UMwgbv Ans D DAT 01. evsjv‡`‡k mÜvbcÖvß Nvmdwos‡qi cÖRvwZi msL¨v KZ? [DAT.18-19] A. `yB nvRviwU B. wekwU C. wek nvRviwU D. `yB kZwU Ans B STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. Nvmdwos Gi gv_vq †¯‥¬ivBU †KvbwU? [XvKv †ev. 2019] A. fv‡U©· B. ÷vibvg C. UviMvg D. j¨vweqvg Ans A Chattogram Board 01. Nvmdwos Gi cv‡qi MV‡bi mwVK µg n‡jvÑ [P.†ev-2021] A.K·v†UªvK¨v›UviwdgviwUweqvUvm©vm B. †UªvK¨v›UviwdgviwUweqvK·v Uvm©vm C. K·v wdgvi †UªvK¨v›Uvi wUweqvUvm©vm D. †UªvK¨v›Uvi K·v wdgvi Uvm©vm wUweqv Ans A Dinajpur Board 01. wb‡Pi †Kvb cÖvYxwU c½cvjf‚³? [w`.†ev-2021] A. cÖRvcwZ B. †g․gvwQ C. dwos D. Nvmdwos Ans D 02. †KvbwU Nvmdwos Gi cv‡qi Ask? [w`. †ev. 2019] A. GwjUªv B. †UMwgbv C. K·v D. mvwK© Ans C 03. wb‡Pi †KvbwU Grasshopper Gi g¯Í‡Ki ewntK¼v‡ji Ask? [w`.†ev. 2017] A. d¬v‡Rjvg B. †cwW‡mj C. †¯‥c D. d«Ý Ans D Barisal Board 01. Nvmdwos Gi †`n L‡Ûi KvBwUb wbwg©Z cyiæ I k³ c„ôxq cvZ‡K e‡jÑ [h. †ev. 2017] A. cøyivBU B. †¯‥¬ivBU C. ÷vb©vBU D. UviMvBU Ans B

374 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES CONCEPT 02 •RweK Kvh©Kjvc ITEM 01 †c․wóKZš¿ Nvmdwos-Gi Lv`¨vf¨v‡mi mv‡_ †c․wóKZš¿ Awf‡hvwRZ Ges cÖavb `ywU Ask wb‡q MwVZÑ †c․wóKbvjx I †c․wóKMÖwš
| †c․wóK MÖwš’ ga¨-†c․wóK bvjxi †`qv‡ji MÖwš’ (cvPKim ÿiY) M¨vw÷ªK ev †ncvwUK MÖwš’ (cvPKim ÿiY) †c․wóKZš¿ †÷v‡gvwWqvg / AMÖvš¿ gyLwQ`ª (wm‡ewiqv‡gi †Mvovq, Lv`¨ MÖnY K‡i) Mjwej MÖvmbvjx µc (†gvPvKvi _wj) wMRvW© ev †cÖv‡fw›UªKzjvm: KvBwUbgq 2wU `uvZ _v‡K, 6wU Abyj¤^ fuvR _v‡K, `uv‡Zi wcQ‡b Pzj I QqwU c¨vW _v‡K| †g‡m‡›UiY/ ga¨vš¿ Bwjqvg (Lv`¨im †kvlY) †Kvjb (cvwbmn †kvlY) jvjvMÖwš’ (jvjvim ÿiY) †cÖv‡±vwWqvg/cðv`vš¿ †c․wóKbvjx 6 †Rvov †ncvwUKwmKv ev M¨vw÷ªKwmKv ev †g‡m‡›UwiK wmKv _v‡K| wfjvB I g¨vjwcwRqvb bvjxKv Ae¯
vb K‡i †iKUvg (†kvlY I mvgwqK Rgv ivLv) cvqywQ`ª (gj AcmviY) wPÎ: Nvmdwos-Gi †c․wóKZš¿ Lv`¨MÖnY I cwicvK: Nvmdwos‡qi †h gy‡Lvcv½, Zv ïay wPev‡bvi Kv‡R e¨eüZ nq e‡j, G‡`i Lv`¨ MÖnY‡K Pe©Y Ges gy‡Lvcv½‡K Pe©Y-Dc‡hvMx ev g¨vwÛey‡jU gy‡Lvcv½ e‡j| cwicvK: cÖvK‡gvwLK cÖ‡Kvô jvjvim kK©ivi Av`ª©we‡kølY wMRvW© †c÷ †g‡m›U‡ib mij I Zij cwi‡kvwaZ wn‡gvwmj (Ref: AvRgj m¨vi, Avjxg m¨vi) ITEM 02 i³ msenbZš¿ i‡³i c_ Abymv‡i cÖvYx‡`‡n `yÕai‡bi i³ msenbZš¿ †`Lv hvq: i. gy³ ev j¨vKzbvi (Nvmdwos, wPswo, cZ½, gjv¯‥v RvZxq cÖvYx) ii. e×msenb: A¨vwbwjW RvZxq bb K‡W©U I K‡W©U cÖvYx‡`‡n| Nvmdwos-Gi ü`h‡š¿i ¯ú›`b cÖwZwgwb‡U 100-110 evi Ges mgMÖ‡`‡n i³cÖevn m¤úbœ n‡Z 30-60 wgwbU mgq jv‡M| i³msenbZš¿ wn‡gvwmj ev wg‡·vwmj wn‡gvwjç ev i³ c„ôxq evwnKv †cwiKvwW©qvj (ürhš¿ _v‡K) †cwiwf‡mivj (†c․wóKZ‡š¿ _v‡K) †cwiwbDivj (¯œvqy i¾y‡Z _v‡K) i³im wn‡gvmvBU (WBC) (15-60 nvRvi/mm3 ) RBC I wn‡gv‡Møvwebwenxb A¨vIU©v ürhš¿ (cÖ‡Kvô 7wU) wewfbœ A½, i³ I jwmKv aviY K‡i wn‡gvwmj MnŸ‡i jwmKvi mv‡_ wg‡j hvq 6 †Rvov A¨vjvwi‡ckx _v‡K Nvmdwos‡qi wn‡gvmvBU †giæ`Ûx cÖvwY‡`i †k¦Z i³KwYKvi mgms¯
 Ges wn‡gvwm‡ji meLv‡b msewnZ nq| Giv †cÖvwn‡gvmvBU (23%), UªvbwRkbvj wn‡gvmvBU (68%) I eo wn‡gvmvB‡U wef³ (9%)| wn‡gvwj‡çi pH 6-7 I Av‡cwÿK ¸iæZ¡ 1.01-1.06|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 375 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES i³ cÖev‡ni MwZc‡_i †iLv wPÎ: †cwiKvwW©qvj mvBbvm ürwc‡Ði cÖmviY ürwcÐ ürwc‡Ði ms‡KvPb c„ôxq agwb †cwiwf‡mivj mvBbvm †cwiwbDivj mvBbvm g¯ÍK AÂj wm‡jvg I wn‡gvwm‡ji g‡a¨ cv_©K¨: wm‡jvg wn‡gvwmj cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZ©x wm‡jvwgK Zijc~Y© MnŸi‡K wm‡jvg e‡j| cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZ©x i³c~Y© MnŸi‡K wn‡gvwmj e‡j| wm‡jvg †`‡ni †Kvb A½ ev Dcv‡½ cÖmvwiZ nq bv| wn‡gvwmj †`‡ni mKj Dcv‡½ cÖmvwiZ nq| wm‡jvg i³ msenbZ‡š¿i Ask MVb K‡i bv| wn‡gvwmj i³ msenbZ‡š¿i Ask MVb K‡i| wm‡jv‡g cywó c`v_© cwievwnZ nq bv| wn‡gvwm‡j cywó c`v_© cwievwnZ nq| A¨vwbwjWvmn KWv©Uv c‡e©i cÖvYx‡Z wm‡jvg cvIqv hvq| Av‡_©ªv‡cvWv I gjv¯‥v c‡e©i cÖvYx‡Z wn‡gvwmj cvIqv hvq| (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi) ITEM 03 k¦mbZš¿ k¦mb m¤úv`‡bi Rb¨ UªvwKqv I Gi kvLv-cÖkvLv¸‡jv ci¯ú‡ii mv‡_ wgwjZ n‡q Nvmdwos-G †h we‡kl ai‡bi k¦mbZš¿ m„wó K‡i‡Q, Zvi bvg UªvwKqvjZš¿| k¦mbZš¿ ¯úvBivKj ev k¦vmiÜ« `k †Rvov _v‡K `yB †Rvov eÿxq A‡j AvU †Rvov D`ixq A‡j †cwiwUªg _v‡K UªvwKqv ev k¦vmbvjx g~j k¦mb A½ †`qvj 3 ¯Íi wewkóÑ wfwË wSwjø, Gwc‡_wjqvg, wUwbwWqv ev Bw›Ugv, GwU _vKvq UªvwKqv Pzc‡m hvq bv UªvwKIj †Kvl ev cÖvšÍxq †Kvl cÖvPxi Bw›Ugv I wUwbwWqvwenxb wUmy¨im _v‡K hvi gva¨‡g M¨vmxq Av`vb cÖ`vb nq evqy_wj Bw›Ugvwenxb I cvZjv cÖvPxihy³ UªvwKIj UªvwKqvi my²bvjx hv‡`i MnŸ‡i UªvwKIj im _v‡K k¦m‡bi MwZc_: evqygÐj O2 k¦vmiÜ« A¨vwUªqvg UªvwKqv UªvwKIj k¦vmiÜ« A¨vwUªqvg UªvwKqv evqy_wj UªvwKIj CO2 †`n‡Kv‡l O2 AbycÖ‡ek, RviY wµqvm¤úbœ Ges CO2 Drcbœ

376 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES UªvwKqv I UªvwKI‡ji g‡a¨ cv_©K¨: Zzjbxq welq UªvwKqv UªvwKIj MVb cÖvPxi G‡`i cÖvPx‡i Bw›Ugv _vKvq Pzcmv‡Z cv‡i bv; Giv †QvU-eo kvLv-cÖkvLv hy³| Giv Bw›Ugvwenxb; d‡j Af¨šÍifv‡M k~b¨ _vK‡j Pzc‡m hvq; Giv AkvL| e¨vm A‡c¶vK…Z eo e¨vmwewkó (e¨vm- 2.5m) AwZ ¶z`ª e¨vmhy³ (e¨vm 1m Gi †P‡q Kg) DrcwË A¨vwUªqvg †_‡K Drcbœ nq| UªvwKIj †Kvl †_‡K m„ó| cwimgvwß cÖvšÍxq †Kv‡l| †`n‡Kv‡li ms¯ú‡k©| KvR ¯úvBivKj †_‡K UªvwKIj †Kvl ch©šÍ O2 Ges CO2 Gi wewbgq NUvq| UªvwKIj †Kvl †_‡K †`n‡Kvl ch©šÍ e¨vc‡bi gva¨‡g O2 I CO2 Gi Av`vb cÖ`vb NUvq| (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi) ITEM 04 †iPbZš¿ AvwglRvZxq Lv`¨ wecv‡K m„ó bvB‡Uªv‡RbNwUZ eR©¨ c`v_© wb®‥vk‡bi cÖwµqv‡K †iPb e‡j| Ab¨me cZ‡½i g‡Zv Nvmdwos Gi cÖavb †iPb A½I g¨vjwcwRqvb bvwjKv| †g‡m‡›Uib Bwjqv‡gi ms‡hvM¯
‡j cÖvq 100wU myZvi g‡Zv g¨vjwcwRqvb bvwjKv wn‡gvwm‡j we¯Í…Z _v‡K| 1669 mv‡j GwU Avwe®‥vi K‡ib BZvjxq wPwKrmK gv‡m©‡jv gvjwcwR| Gwc‡_wjqvj †Kvl, wfwË c`©v, gvB‡µvwfjvB, eªvkeW©vi Øviv g¨vjwcwRqvb bvwjKv MwVZ| gjvk‡q AwaKvsk cvwb cybt‡kvwlZ nq Ges BDwiK GwmW g‡ji mv‡_ eR©¨ c`v_©iƒ‡c †ei n‡q hvq| AwZwi³ ev Avbylw½K †iPb A½: i. BD‡iU †Kvl- d¨vUewW ev Pwe© †Kvl, hv‡Z kK©iv, Avwgl I †¯œn RvZxq Lv`¨ cwiewZ©Ziƒ‡c Rgv _v‡K| ii. BDwi‡KvR MÖwš’- cyiæl Nvmdwos Gi gvkiæg MÖwš
‡Z Ae¯
vb K‡i| iii. †b‡dªvmvBU- ürh‡š¿i cvk¦©‡`‡k Ae¯
vb K‡i| iv. wKDwUKj- †Lvjm †gvP‡bi mgq cyivZb wKDwUKjmn mwÂZ †iPb `ªe¨ cwiZ¨v³ nq| WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question Nvm dwos-Gi k¦mbZ‡š¿i cÖavb PviwU As‡ki bvg wjL| [RU. Unit-C, 19-20] DËi: k¦mbZ‡š¿i PviwU Ask: (i) k¦vmiÜ« (ii) UªvwKqv (iii) UªvwKIj (iv) evqy_jx| gy³ ev j¨vKzbvi msenb Kx? DËi: Nvmdwos-Gi i³bvwjKv¸‡jv •KwkK RvwjKv MVb bv K‡i †`‡ni wewfbœ duvKv ¯
vb ev j¨vKzwb‡Z gy³ nq| GRb¨ G‡`i i³ msenbZš¿‡K gy³ ev j¨vKzbvi msnbZš¿ e‡j| wn‡gvwmj Kv‡K e‡j? [iv. †ev. 2019] DËi: Nvmdwosmn mKj mwÜc`x cÖvYxi †`nMnŸi †g‡mvWvg© †_‡K Drcbœ †cwi‡Uvwbqv‡g Ave„Z _v‡K bv, i‡³ c~Y© Ges msenbZ‡š¿i Ask wn‡m‡e KvR K‡i| G ai‡bi i³c~Y© AcÖK…Z †`nMnŸi‡K wn‡gvwmj e‡j| wn‡gvwj¤d Kx? [Xv. †ev. 2018] DËi: Nvmdwos-Gi i³ ¯^”Q I eY©nxb i³ wn‡gvwmj bvgK †`nMnŸ‡i jwmKvi mv‡_ wgwkÖZ Ae¯
vq _v‡K e‡j Nvmdwos-Gi i³‡K wn‡gvwjç e‡j| †c․wóKbvjxi Ask¸‡jvi bvg wjL? DËi: Nvmdwos Gi †c․wóKbvwji wewfbœ Ask: †c․wóKbvwj Ask †÷v‡gvwWqvg ev AMÖ-†c․wóKbvwj gyLwQ`ª, Mjwej, MÖvmbvwj, µc I wMRvW© ev †cÖv‡fw›UªKzjvm †g‡m‡›Uib ev ga¨-†c․wóKbvwj cvK¯
wj †cÖv‡±vwWqvg ev cðvr-†c․wóKbvwj Bwjqvg, †Kvjb, †iKUvg ev gjvkq I cvqywQ`ª gy³ I e× msenbZ‡š¿i g‡a¨ cv_©K¨ wjL? DËi: gy³ I e× msenbZ‡š¿i g‡a¨ cv_©K¨: cv_©‡K¨i welq gy³ i³ msenbZš¿ e× i³ msenbZš¿ msÁv †h msenbZ‡š¿i gva¨‡g wn‡gvwjç †Lvjv cÖvšÍ wewkó bvwji ga¨ w`‡q Ges †`nMnŸ‡ii (wn‡gvwmj) ga¨ w`‡q cÖevwnZ nq Zv‡K gy³ msenbZš¿ e‡j †h msenbZ‡š¿i gva¨‡g i³ me©`vB evwnKvi gva¨‡g evwnZ nq Zv‡K e× msenbZš¿ e‡j evwnKvi cÖvšÍ‡`k evwnKvmg~‡ni cÖvšÍ‡`k gy³ evwnKvmg~‡ni cÖvšÍ‡`k gy³ bq cÖevwnZ Zij c`v_© wn‡gvwjç ch©vqµ‡g evwnKv I †`nMnŸ‡ii ga¨ w`‡q cÖevwnZ nq i³ me©`vB evwnKvi g‡a¨ Ave× †_‡K cÖevwnZ nq cÖevwnZ Zij c`v‡_©i MwZ ax‡i cÖevwnZ nq `ªæZMwZ‡Z cÖevwnZ nq D`vniY Arthropoda Ges Mollusca c‡e©i cÖvYx‡`i i³ msenbZš¿ Annelida Ges Chordata c‡e©i cÖvYx‡`i i³ msenbZš¿

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 377 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. †Kvb evK¨wU wm‡jvg I wn‡gvwmj Df‡qi Rb¨ mwVK? [DU.17-18] A. DfqB †`ncÖvPxi I cwicvK bvjxi ga¨eZx© duvKv ¯
vb B. DfqB mKj Dcv½ ch©šÍ we¯Í„wZ C. DfqB i³ msenbZ‡š¿i Ask D. DfqB ¯œvqyZ‡š¿i Ask Ans A Why cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZx© wm‡jvwgK Zijc~Y© MnŸi‡K wm‡jvg e‡j| cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZx© i³c~Y© MnŸi‡K wn‡gvwmj e‡j| 02. wn‡gvwmj †Kvb cÖvwY‡Z †`Lv hvq? [DU.15-16] A. Nvmdwos (Grasshopper) B. wUKwUwK (House Lizard) C. cvwL (Bird) D. gvbyl (Human) Ans A Ans A Why Av‡_ªv©‡cvWv I gjv¯‥v c‡e©i cÖvYx‡Z wn‡gvwmj cvIqv hvq| STEP 02 ANALYSIS OF JU QUESTION 01. †KvbwU Nvmdwos Gi cðvr †c․wóK bvjxi Ask bq? [JU: Unit-D; Set-Q,19-20] A. Bwjqvg B. †Kvjb C. M¨vw÷ªK wmKv D. †iKUvg Ans C Why Nvmdwos Gi †c․wóKbvwji wewfbœ Ask: †c․wóKbvwj Ask †÷v‡gvwWqvg ev AMÖ-†c․wóKbvwj gyLwQ`ª, Mjwej, MÖvmbvwj, µc I wMRvW© ev †cÖv‡fw›UªKzjvm| †g‡m‡›Uib ev ga¨-†c․wóKbvwj cvK¯
wj| †cÖv‡±vwWqvg ev cðvr-†c․wóKbvwj Bwjqvg, †Kvjb, †iKUvg ev gjvkq I cvqywQ`ª| 02. Nvmdwos-Gi i³i‡mi †k¦Z KwYKvi bvg Kx? [JU:D,17-18] A. wn‡gvwmj B. wn‡gvwjç C. wn‡gvmvBU D. wn‡gv‡Møvweb Ans C STEP 03 ANALYSIS OF RU QUESTION 01. g¨vjwcwRqvb bvwjKv _v‡KÑ [RU. Sinovac, Set-1. 20-21] A. Mjwe‡j B. MÖvmbvjx‡Z C. µ‡c D. †g‡m›U‡i‡b Ans D Why g¨vjwcwRqvb bvwjKv cZ‡½i cÖavb †iPb A½| †g‡m‡›Uib I Bwjqv‡gi ms‡hvM¯
‡j AmsL¨ (cÖvq 100wU) myZvi g‡Zv g¨vjwcwRqvb bvwjKv wn‡gvwm‡j we¯Í…Z _v‡K| G¸‡jvi gy³ cÖvšÍ e× Ges wn‡gvwmj MnŸ‡i wn‡gvwj‡ùi g‡a¨ wbgw¾Z _v‡K| Ab¨cÖvšÍ †c․wóKbvwji MnŸ‡i Db¥y³| 02. Avi‡kvjvi cÖavb †iPb A‡½i bvg- [RU.15-16] A. UªvwKqv B. gvjwcwRqvb bvwjKv C. wKWwb D. BDwi‡Kvm MÖwš
 Ans B 03. Avi‡kvjvi ürwc‡Û KcvwUKvi msL¨v- [RU.15-16] A. 12 †Rvov B. 10 †Rvov C. 24 †Rvov D. 13 †Rvov Ans A STEP 04 ANALYSIS OF CU QUESTION 01. wn‡gvwmj †Kvb cÖvYx‡Z †`Lv hvq? [CU-A, Shift-1. 20-21] A. Nvmdwos B. wUKwUwK C. cvwL D. gvbyl Ans A Why i³c~Y© †`nMnŸi‡K wn‡gvwmj e‡j| Av‡_©v‡cvWv c‡e©i cÖvwY‡Z mvaviYZ wn‡gvwmj cvIqv hvq| Nvmdwos, †Zjv‡cvKv, wPswo‡Z wn‡gvwmj we`¨gvb| 02. Nvmdwos Gi i‡³i bvg wK? [CU-A, Shift-4. 20-21] A. wn‡gvmvBU B. wn‡gvwmj C. wn‡gvwjç D. wn‡gvmvqvwbb Ans C Why Nvmdwos Gi i³c~Y© †`nMnŸi‡K wn‡gvwmj e‡j Ges i³‡K wn‡gvwjç e‡j| 03. Nvmdwos-Gi †`‡n Dš§y³ wQ`ªc‡_i msL¨v KZ? [CU.17-18] A. 10 †Rvov B. 15 †Rvov C. 20 †Rvov D. 5 †Rvov Ans A 04. Avi‡kvjvi i‡³i bvg wK? [CU.15-16; RU.15-16] A. cøvRgv B. wn‡gvwjç C. wn‡gvwmj D. wmivg E. wn‡gvmvBU Ans B STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question KU 01. Nvmdwos G wMRv‡W©i KvR wK? [KU.17-18] A. Lv`¨ PyY©KiY B. Lv`¨ cwienY C. Lv`¨ mÂq D. Lv`¨ cwicvK Ans A PART B Analysis of Science & Technology Question JUST 01. cwicvKZ‡š¿i †Kvb Ask Lv`¨ †kvlY K‡i? [JUST:B,17-18] A. µc B. Bwjqvg C. †÷vgvK D. †i±vg Ans B MBSTU 01. Avi‡kvjvi cÖavb †iPb A½ n‡jv- [MBSTU: Unit-B,19-20] A. †bd«b B. g¨vjwcwRqvb wUDweDjm C. †bwd«wWqv D. †d¬g †Kvl Ans B Why Avi‡kvjv Av‡_©ªv‡cvWv c‡e©i cÖvYx| Av‡_©ªv‡cvWv c‡e©i cÖvYx‡`i cÖavb †iPb A½ g¨vjwcwRqvb bvwjKv| PUST 01. Nvmdwos Gi gy‡Lvcv½ †Kvb ai‡bi? [PUST:B, 17-18] A. Mandibulate B. Siphoning C. Spongi D. Piercing & sucking Ans A PSTU 01. †Kvb cÖvYxi i‡³ wn‡gvmvBU _v‡K? [PSTU. 18-19] A. e¨vO B. gvbyl C. gvQ D. Nvmdwos Ans D Why eY©nxb cøvRgv Ges Gi g‡a¨ fvmgvb AmsL¨ eY©nxb i³KwYKv ev wn‡gvmvBU wb‡q Nvmdwos Gi i³ MwVZ| 02. wMRvW© †Kvb KvRwU m¤úbœ K‡i? [PSTU.13-14] A. Lv`¨ cwienb B. _vjvi mv‡_ Lv`¨ wgkªY C. Lv`¨ cwicvK D. Lv`¨ P‚Y© KiY Ans D BSFMSTU 01. g¨vjwcwRqvb bvwjKv f~wgKv cvjb K‡i- [BSMRSTU. 17-18] A. k^m‡b B. †iP‡b C. cwicv‡K D. `k©‡b Ans B

378 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. Nvmdwos Gi i³ KwYKvi bvg wK? [MAT.2020-21] A. Hemocyte B. Thrombocyte C. Leukocyte D. Erythrocyte Ans A Why eY©nxb cøvRgv Ges Gi g‡a¨ fvmgvb AmsL¨ eY©nxb i³KwYKv ev wn‡gvmvBU (eY©nxb †k¦ZKwYKv) wb‡q Nvmdwos-Gi i³ MwVZ| i³ wn‡gvwmj bvgK MnŸ‡i jwmKvi mv‡_ wgwkÖZ Ae¯
vq _v‡K e‡j Nvmdwosmn wewfbœ cZ‡½i i³‡K wn‡gvwjç e‡j| wn‡gv‡Møvweb ev Ab¨ †Kvb ai‡bi k¦vmiÄK bv _vKvq Gi i³ eY©nxb, k¦m‡b †Zgb †Kvb f~wgKv iv‡L bv| 02. Nvmdwos Gi †ncvwUK wmKv KqwU? [MAT.19-20] A. 12 B. 8 C. 10 D. 14 Ans A Why Nvmdwos Gi †÷v‡gvwWqvg ev AMÖ †c․wóKbvwj Ges †g‡m‡›Uib ev ga¨ †c․wóKbvwj ms‡hvM¯
‡j Aew¯
Z †Kvb AvK…wZi Qq †Rvov ev 12wU j¤^v ¯^”Q bvwjKv‡K †ncvwUK ev M¨vw÷ªK wmKv e‡j| 03. Nvmdwos‡qi i³ msenbZ‡š¿i Ask bq †KvbwU? [MAT. 17-18] A. wn‡gvwmj B. m¤§yL evwnKv C. c„ôxq evwnKv D. wn‡gvwjç Ans B DAT 01. Nvmdwos-Gi ¯úvBivKj †K wN‡i iv‡L †KvbwU? [DAT.2020-21] A. †cwiwUªg B. AcviKzjvg C. wUwbwWqv D. Bw›Ugv Ans A Why Nvmdwos Gi †`‡ni Dfq cv‡k †gvU `k †Rvov kvmiÜ«/ ¯úvBivKj i‡q‡Q| Gi g‡a¨ `y‡Rvov eÿxq A‡j Ges AvU‡Rvov D`ixq A‡j Aew¯
Z| cÖwZwU ¯úvBivKj wW¤^vKvi wQ`ª we‡kl Ges †cwiwUªg bvgK KvBwUbwbwg©Z cÖvPx‡i cwi‡ewóZ| AcviKzjvg: ¯^vfvweK Ae¯
vq †bgv‡Uvwm‡÷i m~ÎK I _wj †h XvKbv Øviv XvKv _v‡K Zv‡K AcviKzjvg e‡j| wUwbwWqv: cÖavb cÖavb UªvwKqv¸‡jvi Af¨šÍ‡i Bw›Ugv mwc©jvKv‡i †cuwP‡q wUwbwWqv bvgK MVb m„wó K‡i| Gi d‡j UªvwKqv Pzc‡m hvq bv| Bw›Ugv: UªvwKqvi Af¨šÍifv‡M wKDwUKj wbwg©Z ¯Íi| 02. wb‡Pi †KvbwU Nvmdwos Gi cðvr †c․wóKbvwji Ask? [DAT.19-20] A. Mjwej B. wMRvW© C. Bwjqvg D. µc Ans C Why Nvmdwos Gi †c․wóKbvwji wewfbœ Ask: [JU. 19-20, Set-Q Gi cÖ‡kœi e¨vL¨v †`‡Lv] STEP 08 ANALYSIS OF HSC BOARD QUESTION Dhaka Board 01. †Kvb AskwU Nvm dwos‡qi †c․wóKbvjxi †cÖv‡±vwWqv‡gi AšÍf©y³? [Xv. †ev.2018] A. µc B. Mjwej C. wMRvW© D. †i±vg Ans D Chattogram Board 01. Nvmdwos Gi eÿA‡j KZ †Rvov k¦vmiÜ _v‡K? [P.†ev-2021] A. 2 B. 5 C. 8 D. 10 Ans A Jashore Board 01. Nvmdwos Gi †iPb A½ †KvbwU? [h.†ev-2021] A. †bwd«wWqv B. wkLv‡Kvl C. gvjwcwRqvb bvwjKv D. gvjwdwRqvb ewW Ans C 02. Nvmdwos Gi i‡³i bvg Kx? [h. †ev. 2019] A. wn‡gvmvBU B. wn‡gvwmj C. wn‡gvwjç D. wn‡gvmvqvwbb Ans C Cumilla Board 01. Nvmdwos-Gi †ncvwUK wmKvi msL¨v KqwU? [Kz. †ev. 2017] A. 12 B. 13 C. 14 D. 15 Ans A Combined Board 01. Nvmdwos G j¨vwmwbqv cvIqv hvq gy‡Lvcv‡½i †KvbwU‡Z? [mKj †ev. 2018] A. j¨veªvg B. g¨vwÛej C. g¨vw·jv D. j¨vweqvg Ans C CONCEPT 03 ms‡e`x A½ †hme MÖvnK A‡½i gva¨‡g cwi‡ek †_‡K cÖvwY‡`‡n AvMZ we‡kl DÏxcbv (¯úk©, NªvY, ¯^v`, kã, Pvc, Zvc I Av‡jvi ZxeªZv BZ¨vw`) M„nxZ n‡q †K›`ªxq ¯œvqyZ‡š¿ †cÖwiZ nq Ges Dchy³ cÖwZ‡e`b m„wó K‡i Zv‡K ms‡e`x A½ ev Áv‡bw›`ªq e‡j| wewfbœ cÖKvi ms‡e`x A½: bvg D`vniY d‡Uvwi‡mÞi ev Av‡jvKms‡e`x A½ g¯Í‡K Aew¯
Z cyÄvwÿ I I‡mjvm| w_M‡gvwi‡mÞi ev ¯úk© ms‡e`x A½ †`‡ni wewfbœ A‡½ we`¨gvb weªmj I †ivg| Aj‡d‡±vwi‡mÞi ev MÜ ms‡e`x A½ A¨v‡›Ubvq we`¨gvb †ivg| M¨v÷v‡Uvwi‡mÞi ev ¯^v` ms‡e`x A½ g¨vw·jvix cví I j¨vweqv‡g we`¨gvb †ivg| _v‡g©vwi‡mÞi ev Zvc ms‡e`x A½ cv‡qi 1g wZbwU Uvmv©‡mi †Mvovq we`¨gvb cøv›Uzwj c¨vW Ges A¨v‡›Ubvi wKQy †ivg| K‡W©v‡Uvbvj wi‡mÞi ev kÖeY ms‡e`x A½ cvqy mviwK‡Z we`¨gvb †ivg| cyÄvwÿ: Nvmdwos‡qi gv_vi c„ôfv‡Mi Dfq cv‡k Aew¯
Z eo, e„šÍnxb, e„°vKvi, DËj, Kv‡jv Ask‡K cyÄvwÿ e‡j| Nvmdwos Gi cyÄvw¶i cÖwZwU lof~RvKvi `k©b GKK‡K IgvwUwWqvg (Ommatidium) e‡j| 1200-1800 ev 2000 IgvwUwWqv wb‡q cyÄvwÿ MwVZ| GKwU IgvwUwWqv‡g †gvU 10wU cÖavb Ask _v‡K| mgMÖ cyÄvwÿi DcwifvM ¯^”Q wKDwUKj Øviv Ave„Z| cyÄvwÿ‡Z Aew¯
Z cÖwZwU IgvwUwWqv‡gi MVb I Kvh©cÖYvjx Awfbœ|

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 379 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES IgvwUwWqv‡gi wewfbœ Ask: bvg KvR KwY©qv †j‡Ýi g‡Zv KvR K‡i| Kwb©qv‡Rb †Kvl wbtmiY †_‡K KwY©qv m„wó nq| wµ÷vjvBb †KvY †Kvl wµ÷vjvBb †KvY‡K wN‡i iv‡L Ges G‡`i ¶iY †_‡K wµ÷vjvBb †KvY MwVZ nq| wµ÷vBjvBb †KvY cÖwZmiYkxj A½ wn‡m‡e KvR K‡i, IgvwUwWqv‡g Av‡jv cÖ‡e‡k mvnvh¨ K‡i| iÄK Aveib ev AvBwik wcM‡g›U AveiY Zxeª Av‡jv‡Z G AveiY cÖmvwiZ n‡q †KvY †Kvl¸‡jv‡K m¤ú~Y©iƒ‡c Ave„Z K‡i, Avevi g„`y Av‡jv‡K msKzwPZ n‡q AvswkK Dš§y³ iv‡L| †iwUbyjvi †Kvl †Kv‡li ¶iY †_‡K i¨ve‡Wvg MwVZ nq| ZvQvov G¸‡jv Av‡jvK ms‡e`xI e‡U| i¨ve‡Wvg Gi gva¨‡g Av‡jv M„nxZ nq, m¤¢eZ i¨ve‡Wv‡g cÖwZwe¤^ MwVZ nq| †iwUbvj wm_ GwU cÖ‡Z¨K IgvwUwWqvg‡K ci¯úi †_‡K c„_K K‡i iv‡L| G c`©vi iÄK c`v_© Av‡jvi ZxeªZvi Dci wbf©i K‡i wewfbœ w`‡K mÂvwjZ n‡Z cv‡i| wfwË c`©v GwU IgvwUwWqvg‡K aviY K‡i, ¯œvqyZš¿ IgvwUwWqv‡gi mv‡_ hy³ _v‡K| mœvqyZš‘ M„nxZ cÖwZwe¤^ gw¯Í‡®‥ †cÖiY K‡i| mycvicwRkb I G‡cvwRkb cÖwZwe‡¤^i g‡a¨ cv_©K¨: Zzjbxq welq mycvicwRkb A¨v‡cvwRkb Av‡jv‡Ki ZxeªZv g„`yAv‡jvK D¾¡j Av‡jv‡K AvBwik c`©vi iÄK c`v_© msKzwPZ nq we¯Í…Z nq Av‡jvK iwk¥ Zxh©K I Dj¤^ Dfq ai‡bi iwk¥ †_‡KB cÖwZwe¤^ m„wó nq ïay Dj¤^ iwk¥ †_‡K cÖwZwe¤^ m„wó nq cÖwZwe‡¤^i cÖK…wZ A¯úó, mvgwMÖK I Svcmv c„_K I my¯úó (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi) WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question Nvmdwos Gi ms‡e`x A½¸‡jvi bvg wjL? DËi: Nvmdwos Gi ms‡e`x A½¸‡jvi bvg : Av‡jvK ms‡e`x A½, ¯úk© ms‡e`x A½, MÜ ms‡e`x A½, ¯^v` ms‡e`x A½, Zvc ms‡e`x A½, kÖeY ms‡e`x A½| cyÄvwÿ Kx? [P. †ev. 2017] DËi: Nvmdwos-Gi g¯Í‡Ki Dfq cv‡k Kv‡jv, e„šÍnxb, e„ËvKvi DËj MVb‡K cyÄvwÿ e‡j| cyÄvwÿ `k©b Bw›`ªq| cÖwZwU cyÄvwÿ cÖvq 2000wU `k©b GKK ev IgvwUwWqv wb‡q MwVZ| cyÄvwÿ I mijvwÿi g‡a¨ cv_©K¨ wjL? DËi: cyÄvwÿ I mijvwÿi g‡a¨ cv_©K¨ : cv_©‡K¨i welq cyÄvwÿ mijvwÿi Ae¯’vb gv_vi `yÕcv‡k A¨v‡›Ubvi †Mvovq e„°vKvi cyÄvwÿ `ywU Ae¯
vb K‡i g¯Í‡Ki c„ôxq ev m¤§yL A‡j Dfq cv‡k Pÿy†KvU‡i Ae¯
vb K‡i MVb A‡bK¸‡jv IgvwUwWqvi mgš^‡q MwVZ mijvwÿ GKKfv‡e MwVZ Pÿz‡MvjK _v‡K bv _v‡K cÖwZwe¤^ A¨v‡cvwRkb A_ev mycvi‡cvwRkb cÖwZwe¤^ MV‡bi gva¨‡g `k©b wµqv m¤úbœ K‡i g‡bvKzjvi A_ev evB‡bvKzjvi `„wói gva¨‡g `k©‡bi KvR m¤úbœ K‡i D`vniY mvaviYZ Arthropoda c‡e©i cÖvYx‡Z cvIqv hvq mvaviYZ D”P †kÖwYi †giæ`Ðx cÖvYx‡Z cvIqv hvq wµ÷vjvBb †KvY †Kv‡li KvR wjL? DËi: wµ÷vjvBb †KvY †Kvl KZ…©K wbtm„Z i‡m cÖwZmiYkxj c`v‡_© c~Y© wµ÷vjvBb †Kvb MwVZ nq| IgvwUwWqvg Kx? [P. †ev. 2019] DËi: Nvmdwosmn Ab¨vb¨ KxUcZ‡½i ¯^vaxb I ¯^Zš¿fv‡e cÖwZwe¤^ MV‡b mÿg cyÄvwÿi cÖwZwU mijvwÿ ev `k©b GKK ev GKK Av‡jvK ms‡e`x A½‡K IgvwUwWqvg e‡j| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 02 ANALYSIS OF JU QUESTION 01. Nvmdwos-Gi wµ÷vjvBb †Kv‡Yi KvR †KvbwU? [JU:D,16-17] A. IgvwUwWqv‡g Av‡jv cÖ‡e‡k B. i¨ve‡Wvg •Zwi C. Av‡jv MÖnY Kiv D. m„ó cÖwZwe¤^ gw¯Í‡®‥ †cÖiY Ans A STEP 03 ANALYSIS OF RU QUESTION 01. Nvm dwos‡qi cyÄvwÿi †Kvb AskwU Av‡jv MÖnY K‡i? [RU. 19-20] A. KwY©qv B. i¨ve‡Wvg C. KwY©qv‡Rb †Kvl D. wµ÷vjvBb †Kvl Ans B Why KwY©qv †j‡Ýi g‡Zv KvR K‡i| KwY©qv‡Rb †Kvl ÿiY †_‡K KwY©qv m„wó nq| wµ÷vjvBb †KvY †Kvl ÿiY †_‡K wµ÷vjvBb †KvY MwVZ nq|

380 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES STEP 04 ANALYSIS OF CU QUESTION 01. i¨ve‡Wvg •Zwi K‡i †KvbwU? [CU-A, Shift-2. 20-21] A. KwY©qv‡Rb †Kvl B. †iwUbyjvi †Kvl C. wµ÷vjvBb †KvY †Kvl D. KwY©qv Ans B Why †iwUbyjvi †Kvl †_‡K i¨ve‡Wvg •Zwi nq hv Nvmdwos Gi `k©‡bi mgq Av‡jv MÖnY K‡i| STEP 06 ANALYSIS OF GST QUESTION PART B Analysis of Science & Technology Question JUST 01. i¨ve‡Wvg †Kvb A‡½i Ask? [JUST.17-18; KU.16-17] A. gvjwcwRqvb bvwjKv B. µc C. IgvwUwWqvg D. g¨vwÛej Ans C STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION MAT 01. Nvmdwos‡qi cyÄv¶xi †Kvb AskwU Av‡jv MÖnY K‡i? [MAT.18-19] A. Kwb©qv B. i¨ve‡Wvg C. Kwb©qv‡Rb †Kvl D. wµ÷vjvBb †KvY †Kvl Ans B AFMC 01. Nvmdwos Gi cyÄvwÿ‡Z KZwU IgvwUwWqv‡gi i‡q‡Q? [AFMC. 2020-21] A. 1200-1800 B. 500-600 C. 1000 D. 900 Ans A Why Nvmdwos‡qi gv_vi c„ôfv‡Mi Dfq cv‡k Aew¯
Z eo, e„šÍnxb, DËj, Kv‡jv Ask‡K cyÄvwÿ e‡j| cÖ‡Z¨K cyÄvwÿ cÖvq `yÕnvRvi (cÖRvwZ‡f‡` msL¨v wewfbœ) lof~RvKvi IgvwUwWqv wb‡q MwVZ| cÖwZwU IgvwUwWqvg (GKeP‡b) G‡KKwU `k©b GKK wn‡m‡e KvR K‡i| STEP 08 ANALYSIS OF HSC BOARD QUESTION Chattogram Board 01. wb‡Pi †KvbwU cÖwZmiYkxj A½ wnmv‡e KvR K‡i? [P.†ev-2021] A. wµ÷vjvBUb †KvY B. wµ÷vjvBb †KvY †Kvl C. i¨ve‡Wvg D. Kwb©qv‡Rb †Kvl Ans A Dinajpur Board 01. IgvwUwWqv‡gi †Kvb As‡k cÖwZwe¤^ MwVZ nq? [w`.†ev-2021] A. Kwb©qv B. wµ÷vjvBb †KvY C. †iwUbyjvi †Kvl D. i¨ve‡Wvg Ans 0 Barisal Board 01. Nvmdwos Gi mycvicwRkb `k©‡b †KvbwU mwVK? [e. †ev. 2017] A. my¯úó we¤^ •Zwi nq B. e¯‧i LÛ LÛ weNœ •Zwi nq C. AvBwik AveiY msKzwPZ _v‡K D. †iwUbvj AveiY cÖmvwiZ _v‡K Ans C CONCEPT 04 cÖRbb cÖwµqv I iƒcvšÍi iƒcvšÍi: GKwU 僇Yi c~Y©v½ `kv cÖvwß hLb K‡qKwU ch©vqµwgK cwieZ©bxq av‡ci gva¨‡g N‡U ZLb G ai‡bi 僇YvËi cwiùzUb‡K iƒcvšÍi e‡j| cÖKvi‡f`: i. Am¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU wbç `kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi e‡j (Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)| ii. m¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i wkïcÖvYx I c~Y©v½ cÖvYxi g‡a¨ †Kvb Avw½K wgj _v‡K bv Zv‡K m¤ú~Y© iƒcvšÍi e‡j (†g․gvwQ I cÖRvcwZi iƒcvšÍi),m¤ú~Y© iƒcvšÍ‡i wkï Ae¯
vq cÖvYx‡K jvf©v e‡j| m¤ú~Y© iƒcvšÍ‡ii PviwU avc: wWg jvf©v wcDcv B‡gv‡Mv (c~Y©v½)| iƒcvšÍi m¤úwK©Z wKQz Z_¨: e„w×Kvjxb mg‡q G‡`i †`‡ni KvBwUb wbwg©Z Abgbxq †LvjmwU evievi cwiZ¨³ nq| G ai‡bi †Lvjm Z¨vM‡K wb‡gv©Pb ev †gvwës e‡j| wbç †_‡K c~Y©v‡½ cwiYZ n‡Z Nvmdwos‡qi †gvU cuvPevi wb‡gv©Pb N‡U| `ywU wb‡gv©P‡bi ga¨eZ©x `kv‡K Bb÷vi e‡j| Nvmdwos‡qi wbç n‡Z c~Y©v½ `kvq cwiYZ n‡Z cÖvq `yB gvm mgq jv‡M| iƒcvšÍ‡ii ïiæ‡Z gw¯Í‡®‥i B›Uvi‡mwieªvj MÖwš
‡Kvl †_‡K †cÖv‡_vivwm‡KvUªwcK ni‡gvb ÿwiZ n‡q †cÖv‡_vivwmK MÖwš
‡K GKWvBmb ni‡gvb ÿi‡Y DÏxwcZ K‡i| A_©‣bwZK ¸iæZ¡: c½cvj wn‡m‡e k‡m¨i ÿwZ K‡i Lv`¨ k„•L‡j DcKvix f~wgKv iv‡L g„Z ev RxweZ Ae¯
vq gv‡Qi †Uvc wn‡m‡e e¨eüZ nq P¨vÞvK…wg I †MvjK…wgi gva¨wgK †cvlK nq, Gi gva¨‡g wewfbœ †giæ`Ðx cÖvYx AvµvšÍ nq| cÖRb‡b ni‡gv‡bi f~wgKv: AšÍtÿiv MÖvwš’i bvg f~wgKv B›Uvi‡mwieªvj MÖwš’‡Kvl gw¯Í®‥ ni‡gvb ÿiY K‡i hv †cÖv‡_vivwmK MÖwš
‡K ni‡gvb ÿi‡Y DÏxß K‡i| †cÖv‡_vivwmK MÖwš’ GKWvBmb ni‡gvb ÿiY K‡i hv wbç `kvq †Lvjm †gvPb I †gvwës wbqš¿Y K‡i| K‡c©viv A¨vjvUv Ry‡fbvBj ni‡gvb (wbç `kv `xN© nq) I †Mvbv‡WvUªwcK ni‡gvb (cÖvß eq¯‥) wbtmiY K‡i| K‡cv©iv KvwW©qvKv †MÖv_ ni‡gvb wbtmiY K‡i| wbç I c~Y©v½ Nvmdwos‡qi g‡a¨ cv_©K¨: cv_©‡K¨i welq wbç c~Y©v½ Nvmdwos AvKvi Zzjbvg~jK †QvU Zzjbvg~jK eo Wvbv Abycw¯
Z Dcw¯
Z †`‡ni eY© d¨vKv‡m ev`vgx meyR Rbbv½ AcwiYZ _v‡K cwiYZ _v‡K †gvwës N‡U N‡U bv (Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)

ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 381 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES WRITTEN SUGGESTION BAQ Broad Ans Question SAQ Short Ans Question Nvmdwos Gi iƒcvšÍ‡ii avc wjL? DËi: wWg wbç c~Y©v½ cÖvYx| cÖRb‡b Ry‡fbvBj ni‡gv‡bi f~wgKv wjL? DËi: K‡c©viv A¨vjvUv MÖwš
 †_‡K Ry‡fbvBj ni‡gvb ÿwiZ nq hv †`‡ni A¯^vfvweK `ªæZ e„w× cÖwZnZ K‡i| cÖK…Zc‡ÿ Ry‡fbvBj ni‡gv‡bi cÖfv‡e Nvmdwos‡qi wbç `kv `xN© nq| i~cvšÍi Kx? [w`. †ev. 2017] DËi: †Kv‡bv cÖvYxi RxebP‡µi cÖv_wgK `kv I c~Y©v½ `kvi g‡a¨ MVbMZ cv_©K¨ _vK‡j cÖv_wgK `kv †_‡K c~Y©v½ `kvq †cu․Qv‡Z †hme •`wnK cwieZ©b mvwaZ nq Zv‡K iƒcvšÍi e‡j| REAL TEST ANALYSIS OF PREVIOUS YEAR QUESTIONS STEP 01 ANALYSIS OF DU QUESTION 01. cZ‡½i m¤ú~Y© iƒcvšÍi wb¤œwjwLZ †Kvb avc¸‡jv wb‡q MwVZ? [DU. 20-21] A. wWg-wbç-c~Y©v½ cZ½ B. wWg-jvf©v-c~Y©v½ cZ½ C. wWg-wcDcv-jvf©v-c~Y©v½ cZ½ D. wWg-jvf©v-wcDcv-c~Y©v½ cZ½ Ans D Why iƒcvšÍi: GKwU 僇Yi c~Y©v½ `kv cÖvwß hLb K‡qKwU ch©vqµwgK cwieZ©bxq av‡ci gva¨‡g N‡U ZLb G ai‡bi 僇YvËi cwiùzUb‡K iƒcvšÍi e‡j| cÖKvi‡f`: i. Am¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU wbç `kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi e‡j (Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)| ii. m¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i wkïcÖvYx I c~Y©v½ cÖvYxi g‡a¨ †Kvb Avw½K wgj _v‡K bv Zv‡K m¤ú~Y© iƒcvšÍi e‡j (†g․gvwQ I cÖRvcwZi iƒcvšÍi), m¤ú~Y© iƒcvšÍ‡i wkï Ae¯
vq cÖvYx‡K jvf©v e‡j| m¤ú~Y© iƒcvšÍ‡ii PviwU avc: wWg jvf©v wcDcv B‡gv‡Mv (c~Y©v½)| STEP 02 ANALYSIS OF JU QUESTION 01. Nvmdwos Gi iƒcvšÍ‡i wW‡gi cieZx© avc †KvbwU? [JU:D,17-18] A. jvf©v B. wcDcv C. wbç D. c~Y©v½ dwos Ans C STEP 03 ANALYSIS OF RU QUESTION 01. Nvmdwos-G 僇YvËi cwiù~U‡b †Kvb ai‡bi iƒcvšÍi †`Lv hvq? [RU. Moderna, Set-2. 20-21; JU:D,17-18] A. A¨v‡gUv‡evjvm B. †nwg‡gUv‡evjvm C. n‡jv‡gUv‡evjvm D. †nv‡gv‡gUv‡evjvm Ans B Why Nvmdwos-Gi iƒcvšÍi Am¤ú~Y© ev †nwg‡gUv‡evjvm ai‡bi KviY G‡`i AcwiYZ wbç AvswkK cwiùzU‡bi gva¨‡g c~Y©v½ Nvmdwos-G iƒcvšÍwiZ nq| A_©vr Nvmdwos‡qi Rxeb BwZnv‡m wZbwU avc i‡q‡Q: wWg wbç c~Y©v½ cÖvYx| 02. Am¤ú~Y© iƒcvšÍi N‡U wb‡¤œi †Kvb cÖvYx‡Z? [RU.16-17] A. Nvm dwos B. †g․gvwQ C. iæBgvQ D. nvBWªv Ans A 03. Ks‡Møv‡eU MÖwš’ †Kv_vq cvIqv hvq? [RU.16-17] A. nvBWªv B. e¨vO C. †Zjv‡cvKv D. gvbyl Ans C STEP 04 ANALYSIS OF CU QUESTION 01. Am¤ú~Y© iƒcvšÍ‡ii †ÿ‡Î wkï Ae¯’v‡K wK e‡j? [CU-A, Shift-4. 20-21] A. jvf©v B. wbõ C. B‡gvMv D. wcDcv Ans B Why †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU wbç `kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi e‡j (Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)| 02. GKWvBwmm (Ecdysis) nj [CU.15-16] A. cÖvYxi †Lvjm MV‡bi cÖwµqv B. cÖvYxi †Lvjm Z¨v‡Mi cÖwµqv C. †Lvjm iwÄZ Kivi cÖwµqv D. cÖvYxi †Lvjm k³ Kivi cÖwµqv E. cÖvYxi †Lvjm big Kivi cÖwµqv Ans B STEP 06 ANALYSIS OF GST QUESTION PART A Analysis of General University Question KU 01. Ac~Y©v½ †_‡K c~Y©v½ Nvmdwos-G cwiYZ nIqvi cÖwµqv‡K wK e‡j? [KU.15-16] A. †gUv‡R‡bwmm B. †gUvKvB‡bwmm C. †gUvgidwmm D. †gUvgi‡dv‡R‡bwmm Ans C PART B Analysis of Science & Technology Question JUST 01. gvkiæg MÖwš’ _v‡K †Zjv‡cvKviÑ [JUST: Unit-B, 19-20; CU. 15-16] A. cwicvKZ‡š¿ B. k¦mbZ‡š¿ C. cysRbbZ‡š¿ D. †iPbZ‡š¿ Ans D Why cyiæl gvkiæg MÖwš
‡Z GK ai‡bi j¤^vK…wZ miæ bvjxi gZ MÖwš
 _v‡K| G¸‡jv‡K BDwi‡Kvm MÖwš
 e‡j| Gme MÖwš
 wn‡gvwjç †_‡K †iPb`ªe¨ †kvlY K‡i Ges BDwiK GwmW wn‡m‡e Rgv iv‡L| m½‡gi mgq cyiæl GB BDwiK A¨vwmW ïµvYyi Dci Qwo‡q †`q| STEP 08 ANALYSIS OF HSC BOARD QUESTION Chattogram Board 01. Nvmdwos Gi RxebP‡µ wb‡Pi †Kvb µgwU mwVK? [P. †ev. 2017] A. wWgjvf©vBgv‡Mv B. wWgjvf©vwcDcvBgv‡Mv C. wWgwbçBgv‡Mv D. wWgjvf©vwbçBgv‡Mv Ans C Jashore Board 01. Nvmdwos wbç †_‡K c~Y©v‡½ cwiYZ n‡Z KZevi †Lvjm Z¨vM K‡i? [h. †ev. 2017] A. GK evi B. wZb evi C. cuvP evi D. mvZ evi Ans C 02. †KvbwU Nvmdwos‡qi ¯¿x RbbZ‡š¿i Ask? [h. †ev. 2017] A. †ÿcY bvwj B. ïµbvwj C. ïµavbx D. ïµ_wj Ans C Cumilla Board 01. wb‡¤œi †KvbwU Nvmdwos Gi †ÿ‡Î cÖ‡hvR¨? [Kz. †ev. 2019] A. IgvwUwWqv‡g m¤ú~Y© we¤^ •Zwi nq B. iƒcvšÍ‡i wb‡g©vP‡bi msL¨v cuvP C. i³ msenbZš¿ eÜ D. UªvwKI‡j Bw›Ugv _v‡K Ans B

382 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES GK bR‡i Nvmdwos: evwn¨K MVb †c․wóKZš¿ i³ msenbZš¿ k¦mbZš¿ AvKvi, AvK…wZ, eY©: Nvmdwos Gi †`n miæ, j¤^v‡U, †ejbvKvi LÛvwqZ, wØcvk¦©xq cÖwZmg| •`N©¨ 8-9cm. eY© nj‡` meyR ev ev`vg (AvRgj), eY© nwi`ªvfve meyR ev ev`vgx (Avjxg) wKQz D¾¡j bxj-njy` is‡qi (†hgbt Poekilocercus pictus) i³ K¼vj: Nvmdwos Gi †`n KvBwUbgq wKDwUKj G Ave„Z| †`n LÛK AveiYKvix wKDwUKj=†¯‥¬ivBU| †¯‥¬ivBU¸‡jvi ms‡hvM¯
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ASPECT BIOLOGY wØZxq cÎ cÖvYxi cwiwPwZ 383 ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ASPECT SERIES ms‡e`x A½ cÖRbb I iƒcvšÍi †iPbZš¿ Av‡jvK ms‡e`x A½| cÖ‡Z¨K cyÄwÿ cÖvq 2,000 (cÖRvwZ‡f‡` 1200-1800) lofzRvKvi IgvwUwWqv wb‡q MwVZ| IgvwUwWqv‡gi wb‡¤œv³ (10wU) Ask _v‡Ki. KwY©qv ii. KwY©qv‡Rb †Kvl iii. wµ÷vjvBb †Kvb †Kvl iv. wµ÷vjvBb †Kvb v. iÄK/AvBwik AveiY vi. †iwUjybvi †Kvl vii. i¨ve‡Wvg viii. †iwUbvj wm_ ix. wfwËc`©v x. ¯œvqyZš¿ cÖwZwe¤^: ** Zxeª Av‡jvi `k©b †K․kj A¨v‡cvwRkb| ** g„`y Av‡jvi `k©b †K․kj mycvi cwRkb| ** A¨v‡cvwRk‡bi Aci bvg †gvRvBK cÖwZwe¤^| Nvmdwos GKwj½ cÖvYx ¯¿x dwos‡qi ey‡Ki IwfcwRUi †`‡L cyiæl m`m¨ Avjv`v Kiv nq| cys cÖRbbZš¿: GK †Rvov K‡i ïµvkq ïµbvjx, †mwgbvj †fwmKj, mnvqK MÖwš
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