1 霹雳怡保培南独立中学 SM POI LAM (SUWA) IPOH MID YEAR EXAMINATION 2023 GENERAL SCIENCE --------------------------------------- DATE: 15th JUNE 2023 TIME: 1340-1540 (2 HOURS) --------------------------------------- NAME: ___________________________________ REG NO: ______________ CLASS: J1 YI /J1LI / J1AI READ THESE INSTRUCTIONS FIRST 1. This paper is divided into Section A, Section B and Section C. 2. Section A consists of 30 multiple choice questions (30marks). Answer ALL questions. 3. For each question in Section A, there are four possible answers A, B, C and D. Choose the one you consider correct and record at the O sheet paper provided. 4. Section B consists of 6 structured questions (50 marks). Answer ALL questions and write your answers in the space provided. 5. Section C consists of 3 free response question (20 marks). Answer ALL questions and write your answers in the space provided. Total marks for this paper are 100%. This paper consists of 15 printed pages. Prepared by ： ………………………………............ (TAMILARASI NARAYANASAMY) Checked by： ….….……………….. (LOKE WAI CHUAN) Do Not Turn This Page Until You Are Told To Do So
2 Section A Multiple Choice Questions (30m) 1. Identify the part of plant cell where animal cells don’t have. A. Sap vacuole B. Cell membrane C. Cytoplasm D. Nucleus 2. Which of the following is not a part of microscope? A. fine focussing knob B. eyepiece C. microscopic door D. medium-power objective lens 3. What is the function of nucleus in the cell? A. capture sunlight B. keeps the cell alive C. for energy release D. controls the activities 4. Diagram 1 shows a cell that contains red pigment to carry oxygen all around the body. Diagram 1 What is the name of this cell? A. Red hair cell B. Nerve cell C. Root hair cell D. Red blood cell
3 5. Which of the following cell is found in green leaves to make food by photosynthesis? A. Root hair cells B. Palisade cells C. Epithelial cells D. Muscle cells 6. What cell does the diagram 2 shows? Diagram 2 A. Axon B. Dendrite C. Ciliated cell D. Mucus 7. Matter has mass and occupies space. Which of the followings are not matters? I) Heat II) Vacuum III) Metals IV) Soil A. I and II B. II and III C. III and IV D. I and IV 8. Which of the metals below can be found as liquid in room temperature? A. Mercury B. Magnesium C. Iron D. Cobalt
4 9. Which process makes ice cube to change into water? A. Evaporation B. Condensation C. Melting D. Sublimation 10. What is the boiling point of water? A. 10oC B. 50oC C. 100oC D. 1000oC 11. Which states of matter can flow and very easy to be compressed? A. Gas B. Liquid C. Light D. Solid 12. Which of the following is true for liquid? I. The volume changes II. Take the shape of the container III. Can be poured IV. Can be compressed A. I and II B. II and III C. I and III D. III and IV 13. What are the names of the elements with the symbols Si and P? A. Beryllium and Aluminium B. Sodium and Magnesium C. Silicon and Phosphorus D. Sulfur and Potassium
5 14. In water cycle, some water from _____________will soak into the soil and rocks as ___________________. A. precipitation; water vapour B. precipitation; groundwater C. condensation; groundwater D. condensation; water vapour 15. Diagram 3 Diagram 3 shows a particle of __________________. A. sulfur B. neon C. gold D. water 16. The rows in the periodic table are called ____________ and the columns are called __________. A. periods; groups B. groups; periods C. vertical; horizontal D. horizontal; periods 17. How do a student write the name for a compound made of magnesium, sulfur and oxygen? A. Magnesium sulfate B. Sulfur magnesite C. Magnesium sulfide D. Sulfur oxide
6 18. Diagram 4 What is the formula of the particle of methane in Diagram 4? A. C4H B. CH4 C. H4C D. CH4 19. Which of the following is not a mixture? A. Muddy water B. Air C. Blood D. Pure water 20. The diagram below shows a mixture of two elements. What are they? A. Hydrogen and Ammonia B. Neon and Hydrogen C. Hydrogen and Carbon dioxide D. Oxygen and Water 21. If a person has a mass of 48 kg, what would be his weight on Earth? A. 4500 N B. 450 N C. 4800 N D. 480 N
7 22. How many planets are there in the solar system? A. Eight B. Nine C. Ten D. Twelve 23. All the planets spin on their axes in the same direction except ____________ and ___________. A. merury, mars B. uranus, neptune C. uranus, venus D. jupiter, saturn 24. _______________ is a cloud of dust and gas in space. A. Milky Way B. Nebula C. Pluto D. Alien 25. How many times does the Sun’s gravity stronger than the Earth’s gravity? A. 7 B. 17 C. 27 D. 37
8 26. Diagram 5 shows the difference is depth is caused by the pull from Moon’s gravity. Diagram 5 What is this force called? A. Tidal force B. Earth Force C. Contact force D. Friction 27. Which of the following is not the effect of tides? A. Open burning B. Flooding C. Volcano eruption D. Earthquakes 28. What energy is stored when things are stretched to change their shape? A. Thermal B. Kinetic C. Gravitational Potential D. Elastic potential
9 29. Which of the followings transfer energies? I. Chemical energy II. Sound energy III. Light Energy IV. Kinetic Energy A. I and II B. II and III C. III and IV D. I and IV 30. What energy do food, fuels and batteries contain? A. Nuclear energy B. Luminous energy C. Chemical energy D. Electrical Energy
10 Section B Structured Questions (50m) Answer all the questions in the space provided 1. Use the correct terms below to match the statement (a) to (j). (10m) Freezing Solid Move Melting Boiling Condensation Vacuum Gas Transpiration Precipitation (a) The state of matter that can be compressed: ____________________________________. (b) Process of liquid changes into a solid: _________________________________________. (c) Process of water changes into steam: _________________________________________. (d) Water evaporates into atmosphere from plants: _________________________________. (e) A space where there are no particles at all: _____________________________________. (f) The state of matter that has the strongest attractive force: __________________________. (g) When a gas is cooled to form a liquid: ________________________________________. (h) Solid changing to liquid: ___________________________________________________. (i) Water falls from the clouds: _________________________________________________. (j) The particles in liquids and gases can do this: ___________________________________. 2. Write ‘True’ or ‘False’ for each of the statement below. (5m) (a) Oxygen is a compound. (b) Water is an element. (c) Boron is an element. (d) Each element is made up of only one type of atom (e) A compound is made up of only one type of atom.
11 3. Complete the table below related to elements in the periodic table. (10m) Elements Chemical Symbols Potassium Helium Na Li Ar Neon Magnesium Be Carbon Cl 4. Identify the elements that are found in these compounds. (10m) Compound Elements Calcium carbonate Hydrogen sulfide Calcium oxide Calcium chlorate
12 5. Name the following laboratory apparatus. (5m)
13 6. Choose the correct word for the following statements. (10m) Cytoplasm Neurone Chloroplast Cell wall Sap vacuole Palisade cell Cell membrane Nucleus Red blood cell Mitochondrion (a) Control the activities of the cell (b) Made up of a substance called cellulose (c) Jelly-like substance in a cell (d) Trap sunlight to make food (e) Produces energy (f) Control movement of substance in and out of the cell (g) Carry electrical signal from one part of body to another (h) Have red pigment called haemoglobin (i) Consist of dissolved substances (j) Have a lot of chloroplasts
14 Section C Free Response Questions (50m) Answer all the questions in the space provided 1. Mass is an amount of matter an object contains but weight is a force caused by gravitational pull. Apart from the statement above, state other two differences between mass and weight. (4m) ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ 2. In solar system, all the planets follow a path or the orbit around the Sun in the same direction. Name all the planets in order from the Sun. (8m) ___________________________________________________________________________ ___________________________________________________________________________
15 3. Fill in the blanks by determining the forms of energy changed. (8m) From ______________________ to ______________________________ From ______________________ to _____________________________ From ______________________ to ______________________________ From ______________________ to _____________________________ ---------------------------------------END OF QUESTION PAPER-----------------------------------
