Answers...(Science Mock Exam Paper 1)

Science Mock Exam Paper 1

1. 2
2. 2
3. 2
4. 3
5. 1
6. 4
7. 1
8. 3
9. 2
10. 3
11. 4
12. 4
13. 1
14. 3
15. 4
16. 3
17. 3
18. 1
19. 2
20. 2
21. 1
22. 4
23. 2
24. 2
25. 2
26. 1
27. 3
28. 1
29. 4
30. 4

31.a) A
31.b) Animals in Group D have a hard body covering, a body made up of three segments with two pairs of legs in each segment.

32.a)
32.b) 3 siblings
32.c) 2 cousins

33.a) Larva stage
33.b) It feeds on the leaves of plants at this stage. OR It eats the leaves of plants. OR It
destroys crops by feeding on leaves of plants.

34.a) Animal X has lungs.
34.b) It has a ribcage to protext its lungs.
34.c) Digestive system
Circulatory system

35.a) Line X
35. b) Plants that grow from plant parts grow faster than plants that grow from seeds.

36.a) Both bars should be below 100 cm3 but A should be shorter than B.
36.b) To ensure that the water is not lost due to evaporation.

37.a) Set-up A
37.b) In set-up B, the moue gave off carbon dioxide but the carbon dioxide was used by the
plant for photosynthesis.

38.a) Respiration
38.b) The plant makes food in the presence of sunlight and produces water vapour. There is a
continuous supply of water due to condensation of water vapour and evaporation and the
plant uses the carbon dioxide given out by the ant to make food.

39. I will go through this question in class.

40. a) 6
40.b) 18
40.c) The greater amount of the force exerted on the spring, the greater the extension of the
spring. OR The lesser the amount of force exerted on the spring, the lesser the extension
of the spring.

41.a) Container B has the biggest exposed surface area.
41.b) Amount of wind/humidity

42.a) The wax will start to melt.
42.b) Heat ravels from point A (a hotter place) to the wax (a cooler place). OR Metal conducts
heat.

43.a) Liquid P is a conductor of electricity. OR Liquid P conducts electricity. OR Liquid P allows
current to pass through.
43.b) Put in more batteries.
43.c) The rods were non-conductors of electricity.

44. Metals become flat when hit with a hammer but non-metals break into pieces.

45. a) I will go through this question in class.
45.b) No. The moon reflects light from the sun.

46.i) Wooden block X
46.ii) Put some powder/water/lubricants between wooden block X and the surface of the table.
46.iii) There will be a change in position / direction / speed.