MODUL HEBAT BIO 2021_PDF_ENG

15. Which of the following is not a cardiovascular disease?

A. angina
B. anemia
C. arteriosclerosis
D. hypertension

16. What is meant by tissue fluid?

A. blood plasma that fills the space between cells and constantly moistens
the cells

B. fluid that enters the lymph capillaries
C. glucose, vitamins, water and oxygen gas found in the bloodstream
D. the fluid between the cells then re -enters the bloodstream through

diffusion.

17. The difference between lymph and tissue fluid which is true

Lymph Tissue Fluid
A content of fat and fat-soluble and fat-soluble substance is low

substance is a high High lymphocyte content
B Low lymphocyte content Contains low plasma and
C Contains high plasma and platelet protein
Contains high plasma and
platelet protein platelet protein
D Contains low plasma and

platelet protein

18. The following are the organs involved in the lymphatic system except
A. thymus gland
B. appendix
C. lymph nodes
D. hepatic portal vena

19. Figure shows a cross section of part of the lung.

What adaptations to the alveoli increase the rate of gas exchange?
I can expand and contract
II small surface area
III is located close to the blood capillaries
IV is covered by a thin layer of moisture
A. I dan II
B. I dan IV
C. II dan III
D. III dan IV
20. Figure shows the cross section of the human heart.

Which of the parts A, B, C and D pumps blood into the artery?

21. Figure 3 shows a longitudinal section of a vein

What is the role of X?
A. Reduce the size of the lumen in the vein
B. Prevents reverse blood flow
C. Increases blood pressure in the veins
D. Increases the speed of blood flow
22. Which of the following transports oxygen?
A. Hemolymph
B. Hemoglobin
C. Fibrinogen
D. Plasma

23. What is the function of the septum in the heart?
A. Ensure that blood flows smoothly from one space to another
B. To separate oxygenated blood and deoxygenated blood
C. To ensure that the heart is divided into two parts
D. To strengthen the structure of the heart

24. Which organism has the largest ratio of total surface area per volume
of JLP/I?

A. B.

C. D.

25. Which cell produces antibody B.
A.

C. D.

26. The diagram shows a wound that causes a blood vessel to be cut. X cells
clump together and release chemicals.

What are x cells?

A. Fibrin
B. Platlet
C. Red blood cells
D. White blood cells
27. An individual accidentally injured his finger. The blood clots slowly. What

causes blood to clot slowly?
A. Lack of vitamin D in his diet
B. Lack of vitamin K in his diet
C. The blood of a child is infected with a pathogen
D. The blood of the wound flows with high pressure on the wound
28. The diagram shows the human heart

What will happen if the blood flow is blocked in X?
A. Stroke
B. Hypertension
C. Low blood pressure
D. Inflammation of the myocardium
STRUCTURE QUESTION (7 MARKS)
1. Diagram 1 shows the circulatory system for x and Y

XY
Diagram 1

(a) Name the types of circulatory systems X and Y

X :__________________________________________

Y :__________________________________________ [2 mark]
(b) Describe the circulatory system of Y.

_____________________________________________________
______________________________________________________
______________________________________________________

[2 mark]

(c) Explain the advantages of having a circulatory system X?

_____________________________________________________
______________________________________________________
______________________________________________________
_______________________________

[3 mark]

ESSAY QUESTION (8 MARKS)
1. A blood test shows that the number of erythrocytes in a man's blood is
less than normal. Explain the possible effects on his health as a result of
this condition. What type of food does the man need to eat to recover
from this condition?
[8 mark]

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CHAPTER 11: IMMUNITY IN HUMAN

OBJECTIVE QUESTIONS (10 MARKS)

1. What is immunity?
A. Body’s ability to become strong.
B. Body’s ability to fight disease.
C. Body’s ability to maintain healthy.

2. Antibody define as
A. Protein released by lymphocyte into the blood plasma.
B. Lipid released by lymphocyte into the blood plasma.
C. Acid released by lymphocyte into the blood plasma.

3. Pathogen is
A. An antigen that causes diseases.
B. A microorganism that causes diseases.
C. An antibody that prevents diseases.

4. Blood clotting mechanism is important to prevents bacteria from entering
through wounds. It is one of mechanism involved in _______________ line
defence.

A. First
B. Second
C. Third

5. Antigen are destroyed by antibodies through several mechanisms. How
does the antibodies react to antigens during neutralisation?

A. Antibodies coagulate the pathogen
B. Antibodies bind with toxin produced by bacteria.
C. Antibodies react with dissolved antigens to form an insoluble complex.
D. Antibodies combine with antigens and cause bacteria to be broken

down.

6.
Fever is one of the several mechanisms
in body line defence to fight diseases.

Which of the answer below support the above statement?

A. Fever increases phagocytic activity.
B. Fever increases the antibodies production.
C. Fever increases the sebum secretion.

7. Antibodies are produced naturally by
lymphocytes.

The above statement is a similarity of 2 types of immunity, that are:
A. Natural Active Immunity and Natural Passive Immunity
B. Artificial Active Immunity and Artificial Passive Immunity.
C. Natural Active Immunity and Artificial active Immunity
D. Natural Passive Immunity and Artificial Passive Immunity.

8. Diagram 1 shows an individual who has chickenpox and influenza.

Diagram 1
He has recovered from the diseases. What type of immunity gained by
that person?
A. Natural Active Immunity
B. Artificial Active Immunity.
C. Natural Passive Immunity
D. Artificial Passive Immunity
9.

Sumber poster: Kementerian Kesihatan Malaysia
Based on the poster above, breastfeeding is emphasized by Health Ministry.
What type of immunity gained by the babies from breastfeeding?
A. Natural Active Immunity
B. Artificial Active Immunity.
C. Natural Passive Immunity
D. Artificial Passive Immunity

10. Why AIDS patients easily infected by other diseases?
A. AIDS patients experience progressive reduction of the body’s energies
and vitamins.
B. AIDS patients experience progressive destruction of the individual’s
immunity system.
C. AIDS patients experience progressive destruction of the individual’s
circulatory system.

STRUCTURE QUESTION (5 MARKS)
1. The graph below shows changes in antibody level in the blood of a person

who gained active artificial immunity.

a) What is the meaning of level of immunity shown in the graph?
……………………………………………………………………………………
(1 mark)

b) Why is the second injection needed in this immunity?
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(2 marks)

c) What will happen to the person if he or she does not get the second
injection?
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(1 mark)

d) Give reason for your answer on di 1.c)
…………………………………………………………………………………

(1 mark)

ESSAY QUESTION (5 MARKS)
1. Inflammation is the immediate response that destroys and neutrelises

harmful actions of microorganisms and toxins at the early stages of infection.
Explain how do second line defence react if an individual stepped on rusty
nail.

(5 marks)
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CHAPTER 12 – COORDINATION AND RESPONSE
OBJECTIVE QUESTIONS (10 MARKS)

1 Which of the following is an internal stimulus of an organism?
A Light intensity
B Blood sugar level
C Music from a radio
D Surrounding temperature

2 Diagram shows the transmission of nerve impulses across the synapse.

What is substance Z?
A Adrenaline
B Aldosterone
C Acetylcholine
D Antidiuretic hormone

3 Diagram shows the structure of a motor neurone.

Which part labelled A, B, C or D conducts nerve impulses away from the cell
body?

4 An accdident victim injured his head and had difficulties in breathing.

Which part A, B, C or D was injured?
5 Diagram shows a specialised cell.

What is the cell?
A Sensory neurone
B Motor neurone
C Interneurone
D White blood cell

6 Which hormone is secreted by adrenal gland?
A Insulin
B Glukagon
C Aldosterone
D Progesterone

7 Diagram shows an endocrine gland.

What will happen if X is malfunction?
A Metabolic rate decreases
B Fatty acid in blood decreases
C Water absorption by kidneys decreases
D Blood sugar level decreases

8 A rubber tapper encounters a large cobra in his plantation.
What is the response of his body to this fearful situation?
I Adrenaline secretion increases
II Thyroxine secretion decreases
III Rate of respiration increases
IV Rate of heartbeat decreases
A I and II
B I and III
C II and IV
D III and IV

9 Which of the following are the effects of under secretion of ADH hormone that caused
diabetes incipidus?
I Blood glucose level increase
II Excrete large amount of urine
III Excrete small amount of urine
IV Cause dehydration
A I and II
B I and III
C II and IV
D III and IV

10 Which of the following is the correct difference between the endocrine system and the
nervous system?

Endocrine system Nervous System

A The effect last longer The effect disappear very fast

B Localised effects More widespread effects

C Information carried in electrical form Information carried in chemical form

D Control by cerebrum Control by cerebellum

STRUCTURE QUESTIONS (7 MARKS)
1. Diagram shows a reflex arc in human.

(a) (i) Name the nerve cells R and S.

R :_______________________________________________________________________

S :_______________________________________________________________________
[2 marks]

(ii) State the difference in the structure and function between nerve cells R and S..

Structure : _____________________________________________________________________

Function : _____________________________________________________________________
[2 marks]

(b) (i) Explain the meaning of reflex action.

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________
[1 marks]

(ii) A man involved in an accident, his ventral root at X was injured.

Explain how the injury affects his action when he accidentallypricked by a sharp pin.
_______________________________________________________________________________
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_______________________________________________________________________________

[2 marks]

ESSAY QUESTION (8 MARKS)

1 Depressant is given to a patient to relieve the anxieties in everyday life.
Explain the effect of the drugs on the transmission of impulse through
synapse.
[8 marks]

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CHAPTER 13: HOMEOSTASIS AND THE HUMAN URINARY SYSTEM

OBJECTIVE QUESTION [10 MARKS]

1. Which of the following statements are true about homeostasis?

I. Homeostatic mechanism increases the factors that exceed the normal
range

II. Regulation of physical and chemical factors of the internal environment
III. Homeostatic mechanism brings down the factors that decrease below the

normal range
IV. Homeostatic mechanism increases the factors that fall below the normal

range
A. Idan II
B. II dan III
C. III dan IV
D. I dan IV

2. Diagram 1 shows the response of skin in cold surrounding.

P

Diagram 1
What happens if structure P shaved?
A. Erector muscle cannot contract
B. More heat is lost to the environment
C. Sweat gland becomes more active
D. More blood is supplied to skin surface

3. A patient with kidney failure uses a hemodialysis machine to eliminate urea
from his blood. Which statement explain the situation?

A. Concentration of urea in the blood and in the dialysis fluid is the same
B. Concentration of urea in the dialysis fluid is higher than in the blood
C. Concentration of urea in the blood is higher than in the dialysis fluid
D. Concentration of water molecules in the blood is higher than in the dialysis

fluid

4. The normal blood glucose level is 90 mg/100 cm3. If the blood glucose level

is more than the normal value, hormone P is secreted. If theblood glucose

levelis less than normal value, hormone Q is secreted.

What are hormone P and Q?

PQ

A. Insulin Glucagon

B. Glucagon Adrenaline

C. Adrenaline Glucagon

D. Adrenaline Insulin

5. Diagram 2 shows a graph of the changes in the glucose level in an
individual’s blood over a period of two hours.

Diagram 2
What happened at X?
A. The individual started fasting
B. The individuals ate vegetables
C. The individual drank a glass of grape juice
D. The individual was given an insulin injection
6. Diagram 3 shows the cross section of the kidney

What are P, Q and R? Diagram 3 R
Pelvis
P Q Medulla
A. Medulla Ureter Pelvis
B. Cortex Pelvis Ureter
C. Medulla Cortex
D. Pelvis Cortex

7. Diagram 4 shows the structure of human skin.

Diagram 4

What is X?
A. Heat receptor
B. Sweat gland
C. Hair follicle
D. Sebum glands

8. Diagram 5 shows a process which occurs in the glomerulus and produces
fluid X.

Diagram 5

Which substances are found in fluid X?
I. Glucose
II. Amino acid
III. Erythrocyte
IV. Protein plasma

A. I dan II
B. I dan III
C. II dan IV
D. I dan IV

9. The following is the information of the urine composition of four student

Which student is most likely to have been eating a lot of protein on a hot and

dry day?

Student Concentration of urea Water content

A High High

B High Low

C Low High

D Low Low

10. What may occur if the collecting duct is more permeable to water?
A. The concentration and amount of urine increases
B. The concentration and amount of urine decreases
C. The urine produced is low in volume and concentrated
D. The urine produced is high in volume and diluted

STRUCTURE QUESTION [9 MARKS]
1. Diagram 1 shows a cross section of organ X in the human body.

Hair follicle

Erector muscle

Sweat gland

Diagram 1

(a)(i) Name organ X.

________________________________________________________
[1 mark]

(ii) Table 1 shows the function of several organs in the human body.

Converting excess glucose to glycogen
As a protective layer

Eliminating urea

Transporting oxygen

Regulating body temperature

Table 1

Tick () the three correct function of organ X, in the above boxes
provided in Table 1.

[3 marks]

(iii) State two systems which contain organ X.

1. _________________________________________________

2. _________________________________________________
[2 marks]

(b) Human body temperature is maintained at 37oC.
Explain the roles of the hair follicle, sweat gland and erector muscle
in maintaining the body temperature on a hot day.

Hair follicle:
____________________________________________________

Sweat gland:
____________________________________________________

Erector muscle:
____________________________________________________

[3 marks]

ESSAY QUESTION [6 MARKS]

1. An individual is found to have a high content of urea in his urine.
Explain why.
[6 marks]

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CHAPTER 14: SUPPORT AND MOVEMENTS IN HUMANS AND ANIMALS
OBJECTIVE QUESTION [10 MARKS]
1. Diagram 1 shows a human lumbar vertebra.

Diagram 1
What is the function of X and Y in Figure 1?
A Protection for spinal cord
B Surfaces for muscle attachment
C Surfaces for rib articulation
D Surfaces for vertebral joints
2. Diagram 2 shows human bones.

Diagram 2
Which bones are part of the axial skeleton?
A Q and R
B P and S
C P, Q and R
D Q, R and S

3. R, S, T and U in Diagram 3 are vertebrae found along the spine.

RS

T U
Diagram 3

Which of the following shows the correct arrangement of the vertebrae in
the spine?

A T, U, R, S
B R, S, T, U
C S, T, U, R
D U, R, T, S

4. Diagram 4 shows part of human forelimb.

Diagram 4

What are P, Q, R dan S in Figure 4?

PQ R S
Radius Triseps
A Scapula Tendon Radius Biseps
Biseps
B Scapula Ligament Ulna Biseps
Humerus
C Humerus Tendon

D Ulna Ligament

5. Diagram 5 shows a human arm.

Diagram 5
If tendon X was torn off, what happens to the arm?
A The elbow joint loosens up
B The arm cannot be bent
C The fingers cannot grip
6. Diagram 6 shows a pair of breast muscles of two birds. The major
pectoralis muscle of bird P is normal while the major pectoralis muscle of
bird Q is abnormal.

Diagram 6
What is the effect of the abnormality on the bird Q?
A It can fly higher
B The upward movement of the wings is weaker
C The downward movement of the wings is weaker
D The upward and downward movements of the wings are rapid while
flying

7. Diagram 7 shows locomotion of an earthworm.

Diagram 7
Which of the following is correct about the action of muscle in segment T?

Circular muscle Longitudinal muscle
A Contract Relax
B Contract
C Relax Contract
D Relax Relax

Contract

8. Atan is complaining of frequent back pains due to injury.

Which of the following would help reduce his problem?

I Do vigorous exercise

II Eat plenty of protein

III Practice a good posture

IV Avoid carrying heavy objects

A I and II B I and III

C II and IV D III and IV

9. Diagram 8 shows the changes of posture in a woman’s skeleton as she
grows older due to lack of certain hormones and nutrients.

Diagram 8

What are these hormone and nutrient?

A Oestrogen and ferum
B Oestrogen and calcium
C Progesterone and ferum
D Progesterone and calcium

10. Diagram 9 shows the movement of a frog

Diagram 9
Which of the following enables the above movement?
I Compact foot bone
II The hind leg folded into “Z” shape
III The muscle of front leg is small
IV The hind leg has well developed muscle
A I and II
B II and III
C II and IV
D III and IV
STRUCTURE QUESTION [9 MARKS]
1. Diagram 1.1 and Diagram 1.2 show different position of a forearm during

a movement.

X

Diagram 1.1 Diagram 1.2

(a) Complete Diagram 1.1 by drawing the triceps muscle which is
involved in the movement of the forearm.
[2 Marks]

(b) State one adaptive characteristic of tissue X shown in Diagram 1.1
which helps in the movement of the forearm.

________________________________________________________

[1 Mark]

(a) Explain the action of the muscles which cause the movement of the
forearm in Diagram1.2.
______________________________________________________
______________________________________________________
______________________________________________________
______________________________________________________

[3 Marks]

(b) Diagram 1.3 shows a joint at the knee.

Diagram 1.3
Explain the health problem normally faced by an old person when
tissue P is impaired.
________________________________________________________
________________________________________________________
________________________________________________________

[3 Marks]

ESSAY QUESTION [6 MARKS]

1. Diagram 1 shows the movement of an earthworm and a fish in different
habitats.

Diagram 1
Explain the mechanism of movement for both organisms.

[6 Marks]

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CHAPTER 15: SEXUAL REPRODUCTION, DEVELOPMENT AND
GROWTH IN HUMANS AND ANIMALS

OBJECTIVE QUESTION [10 MARKS]
1. Diagram 1 shows a female reproductive system.

X

Diagram 1

What is the part label X?
A. Uterus
B. Vagina
C. Ovary
D. Fallopian tube

2. Diagram 2 shows a summary of spermatogenesis.

P Spermatogoniu
m

Q

R
S

Diagram 2

Which groups of cells have a diploid number of chromosomes.
A. P and Q
B. P and R
C. Q and R
D. R and S

3. Diagram 3 shows changes in the hormone level during a menstrual cycle.

Hormone Y
level

Development

Diagram 3

What is hormone Y?
A. Progesterone

B. Oestrogen

C. Follicle Stimulating Hormone

D. Luteinizing Hormone

4. Which of the following stimulates ovulation?
A. A high level of progesterone
B. A high level of FSH
C. A high level of oestrogen
D. A high level of LH

5. Diagram 4 shows a foetus in the mother’s uterus.

P

Diagram 4
The role of P is
A. To secretes oestrogen and progesterone after three months

B. To transport antibodies from mother to foetus
C. To secrete amniotic fluid

D. To transport carbon dioxide from foetus to mother

6. Diagram 5 shows the formation of twins.

Diagram 5
Which of the following could be the offspring?
A. One male, one female, same blood group
B. Both female, same blood group
C. Both male, different blood groups
D. Both female, same blood group

7. A woman released only one secondary oocyte from the ovary during a
menstrual cycle.
Which of the following twins are most likely to be produced if fertilization
occurs?
A. Siamese twins
B. Identical twins
C. Fraternal twins

8. The information below is problem faced by a couple.
The Fallopian tubes are blocked
Low sperm count

Which method is best applied if the couple want a child of their own?
A. Gene therapy
B. In vitro fertilisation
C. Replace Fallopian Tube
D. Take Viagra pi

9. Diagram 6 shows an insect undergoing a process.

Insect with new
exoskeleton

Diagram 6
Which of the following is the importance of the process to the insect?
A. For nutrition
B. For growth
C. For respiration
D. For reproduction
10. Diagram 7 shows the sigmoid curve of growth of a human.

CD
AB

Diagram 7
Which of the following stage A, B, C and D has the highest growing rate?

STRUCTURE QUESTION [9 MARKS]
1. Diagram 1 shows a human foetus in his mother’s uterus.

X

Y

Foetus

Uterine wall

Diagram 1
(a) Name the structures labelled X and Y.

X: _______________________________________________
Y: _______________________________________________

[2 Marks]
(b) Explain the composition of the blood that flows through the blood

vessel in Y.
________________________________________________________
________________________________________________________

[2 Marks]
(c) The structure X is needed to maintain the thickness of the uterine

wall.
Explain this statement.
______________________________________________________
______________________________________________________
______________________________________________________

[2 Marks]

(d) Explain why the foetus has a separate blood circulatory system
from his mother.

______________________________________________________
______________________________________________________
______________________________________________________
_________________________________

[3 Marks]

ESSAY QUESTION [6 MARKS]

1. Diagram 1 shows two pairs of twins.

Twin S Twin T

Diagram 1

Explain the differences between the two pairs of twins based on the

following aspects:

- Types of twins

- The formation of twins.

Characteristics of twins. [6 Marks]

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CHAPTER 1 : ORGANISATION IN PLANT AND GROWTH

OBJECTIVE QUESTIONS (10 MARKS)

1. How many parts does plant tissue consist of?

A. A.1
B. B.2
C. C.3

2. Tissue remains categorized into?

A. Epidermal tissue, basal tissue and vascular tissue
B. Xylem and phloem tissue
C. Meristem tissue and permanent tissue

3. Are xylem and foem tissues?

A. Permanent Tissue
B. Meristem Tissue
C. Vascular tissue

4. Which of the following statements is the function of epidermal tissue?

I. Provide support and shape to plants
II. Reduce water loss and evaporation (transpiration process)
III. Protect leaves from mechanical injury
IV. Prevent pathogen attack

A. I.II & III
B. II, III & IV
C. III & IV only

5. Which tissue is the simplest tissue?

A. Epidermal tissue
B. Parenchymal tissue
C. Vascular tissue

6. Among the following tissues, which is the basic tissue?
A. Epidermal tissue
B. Lateral meristem tissue
C. Parenchyma tissue

7. What is the function of collenchymal tissue?
A. Provide mechanical support and elastic properties to plants.
B. Provide support and shape to herbal plants
C. Forming an elongated and connected tube structure.

8. Among the following statements, which is the structure of sclerenchyma tissue?
A. Consists of a partner cell and a filter tube
B. Consists of an elongated xylem duct
C. Consists of cells that die when mature.

9. Xilem is formed from?
A. Partner cells and plywood tubes.
B. Dead cells that do not contain cytoplasm.
C. Living cells.
10. Figure 10.1 is a lateral Meristem Tissue. Label X and Y?

X
Y

Figure 10.1
A. X = Cork Kabium, Y = Vascular Kabium
B. X = Kabium Vascular, Y = Kabium Gabus
C. X = Phloem, Y = Xylem

STRUCTURE QUESTIONS (7 MARKS)
1. We often see the growth or development of plants from seedlings grow large to
become adult trees. The growth of an organism starting from the zygote stage until
adulthood is referred to as growth and development.
Describe the cell growth zone that occurs in primary growth.

a) What happens during the cell division zone?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

[2 marks]
b) How does the auditing process take place?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

[2 marks]

c) Describe the process that takes place during the differentiation zone.

Figure 1.1
___________________________________________________________________
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___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

[3 marks]
ESSAY QUESTION (8 MARKS)
1.

Time
Figure 2.1
Figure 2.1 shows the growth curve of a rice plant.
Based on the growth curve, describe the life cycle of rice plant growth. [10 marks]

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CHAPTER 2 LEAF STRUCTURE AND FUNCTION
OBJECTIVE QUESTIONS (10 MARKS)

1. The figure below shows the cross section of the leaf. Which of the structures labelled
P, Q, R, S and T, have chloroplasts?

T P
Q

R
phloem

Lower epidermis

S

Stoma

A P, Q, R C R, S
B Q, S D Q, R, S

2. How plants adapt to maximize the absorption of sunlight for the process of
photosynthesis?

I The leaves are flat
II Palisade mesophyll cells are arranged vertically and closely packed
III The leaves are arranged in a leaf mosaic
IV Spongy mesophyll cells are loosely arranged

A I, II, IV
B I, III, IV
C I, II, III
D II, III, IV

3. Which of the following is not a factor influencing the rate of transpiration?

A Light intensity
B Relative air humidity
C Air movement
D Concentration of carbon dioxide

4. What is the difference between palisade mesophyll cells and spongy mesophyll?

Palisade mesopyll cell Spongy mesophyll cell
A Cells are arranged vertically and Cells are irregular shaped and loosely
arranged
closely packed Cells are arranged vertically and
B Cells are irregular shaped and closely packed
Cells are irregular shaped and closely
loosely arranged packed
C Cells are arranged vertically and Cells are arranged vertically and
closely packed
loosely arranged
D Cells are irregular shaped and

closely packed

5. The process of photosynthesis involves two stages. The stage of the light -dependent
reaction and the light -independent reaction. Which of the following involves a light -
independent reaction?

I Involves the reduction of carbon dioxide gas
II Using molecule ATP
III Produces molecule ATP
IV The reaction material is water

A I, II C I, III
B I, IV D II, IV

6. The diagram below shows a graph of the volume of carbon dioxide against light
intensity of plants.

Which of the following statements is true to describe what happens at point X?

A The rate of photosynthesis is equal to the rate of respiration.
B The rate of photosynthesis is higher than the rate of respiration
C The rate of photosynthesis is lower than the rate of respiration
D The rate of glucose production exceeds the rate of glucose consumption

7. The diagram below shows an organelle find in a green plant cell.

In which structure, A, B, C and D, does the light -dependent reaction occur?
8. Photosynthesis and respiration are two interrelated processes.

Which of the following statements is true about these processes?

I Both occur in living organisms
II Both involve the process of gas intake and release
III The result of one process is used as raw material for another process
IV Both processes involve the process of catabolism

A I, II, III
B II, III, IV
C I, III, IV
D I, II, III, IV

9. The word equation below refers to the overall reaction of photosynthesis

water + X Y Z + oxygen + water

light energy

What is represented by X, Y and Z?

X Y Z
A Carbon dioxide Oxygen Energy
B Energy Carbon dioxide Energy
C Oxygen chloropyll Glucose
D Carbon dioxide chloropyll Glucose

10. The diagram below shows human activities that contribute to environmental pollution.

If this condition occurs continuously, what is the effect on the trees planted in this
area?

A Fertile because of high concentrations of carbon dioxide
B Infertile because the stoma pores are clogged by the presence of solid

particles
C Trees will wilt because of high light intensity
D Increases freshness due to high oxygen concentration

STRUCTURE QUESTIONS (7 MARKS)

1 The diagram below shows an organelle found in a plant cell. This organelle
carry out a process that is very important to plants.

XY

(a) State where this organelle can be found in plants.
i) ____________________ ii) _____________________

[2 marks]

(b) (i) What is the process carried out by this organelle?

_____________________________________________________________
[1 mark]

(ii). the process described in b (i) has two stages that occur at X and Y. Name
the stages.

X: ____________________________________________________________

Y: ____________________________________________________________

[2 marks]

( c) Give a comparison between stage X and stage Y

Similarity :
________________________________________________________________
________________________________________________________________

Difference:

[2 marks]

ESSAY QUESTIONS

1 A greenhouse is a building made of glass or plastic. The purpose of this building
was built to enable crops such as vegetables to be produced throughout the
year especially for the country have 4 seasons.

Vegetables in the greenhouse.

Greenhouses can control the factors that affect the process of photosynthesis.
Explain how greenhouses control these factors?

[8 marks]

2 To ensure maximum absorption of sunlight for the photosynthesis process, the
leaves of the plant (Fig. 1) need to be adapted.

Figure 1

Explain how leaves can maximize this process of photosynthesis.
[8 marks]

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CHAPTER 3 NUTRITION IN PLANTS

OBJECTIVE QUESTIONS (10 MARKS)

1. Which of the following symptoms of deficiency is due to the lack of nitrogen ions
in plants?

I. Stunted growth
II. The process of protein synthesis is affected
III. Formation of dull dark green leaves
IV. Red spots on leaf surface

A. I and II
B. I and III
C. II and III
D. II and IV

2. If a plant is experiencing chlorosis, it might be deficient in which of the following
micronutrients?

A. Sulfur
B. Copper
C. Iron
D. Boron

3. Aminah found that there were red spots on the leaves of her favorite tree. What
nutrient deficiencies does the tree suffer from?

A. Nitrogen
B. Carbon
C. Magnesium
D. Sulfur

4. Which of the following minerals is a macronutrient?

I. Sulfur
II. Potassium
III. Copper
IV. Zinc

A. I and II
B. II and III
C. III and IV
D. I and IV

5. Which of the following is not a root function?
A. Strengthen the position of plants on the ground.
B. Carrying out photosynthesis
C. Vegetative propagation and competition with other crops

6.
 Has a thin cell wall to facilitate the movement of water

in the roots.
 Cells are arranged loosely to facilitate gas exchange.
 Most of this part is made up of parenchymal cells.

The above statement most accurately shows the characteristics?

A. Epidermis
B. Endodermis
C. Cortex
D. Vascular cylinder

7. Which of the following is a correct match?

Parasitic Plants Epiphytic Plants Carnivorous Plants
A. Pitcher Plant Rafflesia Langsuir Fern
B. Rafflesia Langsuir Fern Pitcher Plant
C. Langsuir Fern Pitcher Plant Rafflesia
D. Rafflesia Pitcher Plant Langsuir Fern

8. How do epiphytic plants obtain their nutrient requirements?

A. Absorbs organic matter, minerals and water from its host
B. Absorb nutrients that accumulate between the trunks of the host tree.
C. By trapping insects
D. Through absorption by roots growing in the soil.

9. Which of the following is a substance absorbed by a parasitic plant from its host?

I. Organic matter
II. Minerals
III. Mineral salt
IV. Air

A. I, II and III only
B. II, III and IV only
C. I, II and IV only
D. All of the above

10. Carnivorous plants usually live in areas of land that lack what resources?

A. Magnesium
B. Calcium
C. Phosphorus
D. Nitrogen

STRUCTURE QUESTIONS (7 MARKS) Functions

1. Complete the table below
Minerals

Nitrogen

Is a major component of the central lamella, cell wall and
spindle fibers during cell division

Phosphorus

[3 marks]

2. Explain the effect on growth on the following plants

a) Plant A with nitrate ion deficiency
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
b) Plant B with magnesium ion deficiency
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

[4 marks]

ESSAY QUESTION (8 MARKS)
1. Explain how epiphytic plants and carnivorous plants get their nutritional needs

[8 marks]

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CHAPTER 4 TRANSPORT IN PLANTS

OBJECTIVE QUESTIONS (10 MARKS)

1. Which of the following are phloem tissues?

I Companion cells III Xylem vessel

II Sieve tubes IV Parenchyma cells

A. I, II and III C. I, II and IV
B. II, III and IV D. I,III and IV

2. Which of the following statements is true about xylem vessels?

A. The xylem tissues consist of living cells
B. The xylem vessels only transport water
C. The cell walls of xylem vessels are theckened with lignin
D. The xylem are only found in small and lower level plants

3. Diagram 1 shows a tracheid structure.

Diagram 1

What is the function of tracheid’s pit?

A. Provides mechanical support to plant
B. Allows gaseous exchange for respiration in its cell
C. Allows the water movement from side to side
D. Path of organic matter from phloem to xylem

4. What is guttation?

A. When a plant dies due to excessive water in its cells
B. When a plant wilts due to a lack of water in its tissues
C. When a tree carries out transpiration by discharging both water droplets and

vapours
D. When the secretion of water droplets through a special structure at the end of

the leaf veins without involving the stomata caused by a high root pressure

5. Diagram 2 shows the translocation path.

Diagram 2
During translocation through the phloem, what causes the decrease in the osmotic
pressure at the food storage organs?

A. Sucrose is converted into starch
B. Glucose is quickly utilised to release energy
C. Water passes out from the phloem sap to the xylem vessels
D. Large amount of water passes from the xylem into the phloem

6. In a ringing experiment, a complete bark ring was removed from the main stem of
the hibiscus plant. After two months the hibiscus’s leaves started to fall and finally
died. What the causes for this happen?

A. No sugar was transported to the roots
B. The hibiscus experienced aging
C. Leaves fell because of autumn
D. Water and sugar absorbed out from the ringed are

7. What suitable plant is used in phytoremediation to treat pollutants in water and
soil?

A. Algae
B. Microorganism
C. Filters
D. Green plants

8. Diagram 3 shows an aphid getting food from a plant leaf.

Diagram 3

What is the material in tissue P?

A. Cellulose
B. Starch
C. Surcose
D. Lignin

9. What happens if the companion cell is damage?
A. Photosynthetic product cannot be transported by phloem
B. The sieve tubes collapsed because there was no support
C. Photosynthesis not occurs
D. Function of phloem will be disrupted
10. Which force is involved in moving water upwards in the trunk of a plant tree?
A. Turgor pressure only
B. Transpirational pull and turgor pressure
C. Root pressure, capillary action and transpirational pull
D. Hydrostatic pressure, root pressure and capillary action

STRUCTURE QUESTION (7 MARKS)
Diagram 1.1 shows an experiment which is carried out by placing a celery stem dipped
in eosin solution. The aim of this experiment to study the tissues involved in the
transport of water and mineral salts. The apparatus is left for two hours.

Diagram 1.1

a) i) Predict the result obtained by drawing a cross-section of the vascular bundle in
the celery stem and shade the part which is stained red.

[2 marks]
ii) Based on your answer in 1(a)(i), identify the red tissues.
_______________________________________________________________

[1 mark]

iii) What the other tissues involved that mentioned in 1(a)(ii) that is in vascular
bundle?

______________________________________________________________
[1 mark]

b) How are the two tissues found in vascular bundle responsible for the transport of
substances in plants?

___________________________________________________________________
___________________________________________________________________

[2 marks]

c) Diagram 1.2 shows the xylem vessels.

Diagram 1.2
State two characteristics of the xylem vessels in relation to their function in
transportation.
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

[2 marks]
ESSAY QUESTIONS (7 MARKS)

1. a) i) Explain briefly about phytoremediation and state its uses.

[3 Marks]

ii) Mr. Afif is a modern farmer who farms near to an industrial area. He has digs a
trench to provide irrigation water for his plants. He also plants common water hyacinths
in the trench. Why did Mr. Afif act like that? Explain your answer.

[4 marks]

CHAPTER 5 RESPONSE IN PLANTS
OBJECTIVE QUESTIONS (10 MARKS)
1. Based on the River Tamarind plant picture below, what is the type of response
shown by it leaves?

A. Thermonasty
B. Nyctinasty
C. Thigmonasty
D. Seismonasty
2. Diagram 1 shows a germinating seedling. Which type of response is shown by the
plumule?

A. Positive phototropism
B. Positive chemotropism
C. Positive geotropism
D. Positive thigmotropism
3. The picture below shows a type of response done by a Venus Flytrap-plant to trap
insects. What is the insects use for?

A. Insects is the main source of food
B. To survive from insects attack
C. Insects as a nitrogen source for plants growth
D. Venus Flytrap-plant unable to make its own food