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Science year 4_chapter_1[1]
- 1. Monthly test –collection of questions Chapter 1 – Living Things Have Basic Needs Section A Every question is followed by four options A, B, C and D. Choose the correct answer. 1 The basic needs of a plant are I air II heat III light IV water A I, II and III B I, II and IV C I, III and IV D II, III and IV 2 Figure 1 A plant which is not watered for a few days will wither. This shows that A plants need water to stay alive B plants need food to stay alive C plants need sunlight to stay alive D plants need air to stay alive 3 All living things A need food B do not grow C cannot move D stay alive forever 1
- 2. 4 Which of the following charts represents the weight of a healthy growing chick? A Weight Week B Weight Week C Weight Week D Weight Week 5 We need ____________________ when we are hungry. A air B food C water D oxygen 6 In what ways are animals and plants alike? A Both can make their own food B Both can move by themselves 2
- 3. C Both arenon-living things D Both need air and water 7 A hamster in an airtight container will suffocate and eventually die. Why? A It does not have enough air B It does not have enough food C It does not have enough space D It does not have enough sunlight 8 If you grow a plant on a windowsill, the plant will A turn yellow B grow away from the light C wither and die D grow towards the light 9 Wind, rain and clouds are A alive because they can grow B alive because they can move by themselves C not alive because they cannot fly D not alive because they cannot have young 10 Which of the following statements are correct? I Humans need air to breathe II Humans need sunlight to make food III Humans need shelter to protect themselves from danger, sun and rain IV Humans need to eat and drink to grow and stay healthy A I, II, and III only B I, III, and IV only C II, III, and IV only D I, II, III, and IV 11 living fish dead fish oil water water Container 1 Container 2 Figure 2 3
- 4. The fair testin Figure 2 shows that animals need A air B food C water D sunlight 12 In which jar the cockroach will not alive after ten days? A B C D 13 A leaf covered with a layer of grease will turn yellow after a few days. This is because of A insufficient sunlight B insufficient air C insufficient minerals D insufficient water 14 wet cotton Figure 3 After a few days, what will happen to the seeds shown in Figure 3? A It will become dry B It will germinate 4
- 5. C It willdie D Nothing will happen to the seeds 15 glass Figure 4 Look at the setup in Figure 4 carefully. What is the purpose of the experiment? A To show that plants need air B To show that plants need water C To show that plants need sunlight D To show that plants need food 16 Figure 5 A covered jar containing a butterfly is placed in a cupboard for two days. The butterfly is later found dead. This is because the butterfly A did not get enough air B did not get enough food C did not get enough water D did not get enough sunlight 17 A rabbit will die if it is not given food for a week. It needs food A for breathing B to generate energy and heat C for blood circulation D to control body temperature 18 All of the following are basic human needs except A air B food C water 5
- 6. D sunlight 19 Humans need shelter to protect themselves from the following except A sun B rain C danger D diseases 20 Figure 6 The illustrations in Figure 6 show that plants can A grow B move C reproduce D bear fruit 21 Which of the following seeds will germinate? A B wet cotton C dry cotton D dry sand 6
- 7. 22 Figure 7 After one week, the grass which was covered with a stone has turned yellow. Why? A It did not get enough air B It did not get enough water C It did not get enough food D It did not get enough sunlight 23 Which of the following factors will affect the germination of seeds? I Air II Water III Sunlight A I and II only B I and III only C II and III only D I, II and III 24 Among the following, which is not true? A Humans need air to breathe B Humans need to eat to grow and stay healthy C Humans need sunlight to make food D Humans need shelter to protect themselves from sun and rain 25 Humans need to eat well to A breathe properly B satisfy their hunger C grow and stay healthy D keep fit and stay beautiful 26 Which of the following pairs is not correct? A Tiger -------- jungle B Snake ------- holes C Bat ------- caves D Rabbit ------- nests 7
- 8. 27 Among the animals listed below, which is commonly kept as a pet by humans? A Cat B Snake C Tiger D Monkey 28 air water sunlight The above are basic needs of A humans B plants C animals D babies 29 Figure 8 Apart from birds, the picture in Figure 8 is common shelter for A tortoises B dogs C squirrels D tigers 8
- 9. 30 Figure 9 In what way are they alike? A Both need sunlight to make food B Both can reproduce C Both can move by themselves D Both can produce sound 9
- 10. Section B Instruction :Write your answers in the spaces provided. 1 Container A Container B Container C Figure 1 Study the set-up in Figure 1 carefully. (a) In which container(s) will the fish remain alive after three days? ________________________________________________________________ (b) Explain your answer in (a). ________________________________________________________________ (c) If container A is kept in a refrigerator, what will happen to the fish? ________________________________________________________________ (d) Explain your answer in (c). ________________________________________________________________ 10
- 11. 2 black box A B Figure 2 (a) Predict what will happen to both plants shown in Figure 2 after one week. (i) Plant A : _______________________________________________________ (ii) Plant B : _______________________________________________________ (b) In the above experiment, what variables should be kept constant? _______________________________________________________________ (c) What conclusion can be made from this experiment? ______________________________________________________________ 11
- 12. seal wet cotton dry cotton wet cotton black box 3 A B C wet cotton Figure 3 D (a) Based on the illustrations in Figure 3, state the thing that are (i) changed: _____________________________________________________________ (ii) kept the same: _____________________________________________________________ (b) Predict the condition of the seeds in every container after one week. (i) Container A : __________________________________________________ (ii) Container B : __________________________________________________ (iii) Container C : __________________________________________________ (iv) Container D : __________________________________________________ (c) Write the inferences for your answers in (b). (i) Container A : __________________________________________________ __________________________________________________ (ii) Container B : __________________________________________________ __________________________________________________ (iii) Container C : __________________________________________________ __________________________________________________ (iv) Container D : __________________________________________________ __________________________________________________ 12
- 13. 4 Complete the following flow chart: (a) Basic needs of plants (b) How do plants get their food? ________________________________________________________________ (c) If a plant is watered every day but it is covered with a box, what will happen to it (i) after one day ? ________________________________________________ (ii) after one week ? _______________________________________________ (iii) after one month ? ______________________________________________ (d) Explain your answers in (c). ________________________________________________________________ 13
- 14. 5 Figure 4 Razak puts a lizard, a grasshopper, and a mouse in three separate airtight jars as shown in Figure 4 above. After a few hours, all the animals died. (a) What can you infer from the above observation? ________________________________________________________________ (b) What variable should Razak keep constant? ________________________________________________________________ (c) Name three basic animal needs. ________________________________________________________________ (d) What can you conclude from the activity? ________________________________________________________________ 14
- 15. ANSWERS CHAPTER 1 Part A 01 C 02 A 03 A 04 B 05 B 06 D 07 A 08 D 09 D 10 B 11 A 12 A 13 B 14 B 15 A 16 A 17 B 18 D 19 D 20 A 21 B 22 D 23 D 24 C 25 C 26 D 27 A 28 B 29 C 30 B Part B 1 (a) A and C (b) Fish needs air to breathe. There is not enough air in container B. (c) It will die. (d) The temperature is low. The fish cannot adapt to such environment. 2 (a) (i) It will grow healthily (ii) It will die (b) Type of plant/ plant’s size/ pot’s size (c) Plants need sunlight to make food to stay alive. 3 (a) (i) Air/ water/ sunlight (ii) Bottle size/ type of seed/ number of seed (b) (i) Nothing happened/ the seeds did not germinate (ii) Nothing happened/ the seeds did not germinate (iii) The seeds germinated (iv) The seeds germinated but is yellowish/ slower growth compared to (iii) (c) (i) There was not enough air (ii) There was no water (iii) There was water, air and sunlight (iv) There was not enough sunlight 4 (a) Air, Water, Sunlight (b) Through photosynthesis (c) (i) No change (ii) Turns yellow (iii) Dies (d) Plants need air and sunlight to grow healthily 15
- 16. 5 (a) There is not enough air in every jar (b) The size of the jars (c) Air, water, food (b) Animals need air to breathe to stay alive 16