June 2019 Combined Science
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Question 1 of 40
1. Question
- Which nutrient provides energy?
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Question 2 of 40
2. Question
2. What is the function of the gall bladder?
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Question 3 of 40
3. Question
3. The photograph shows a condition due to malnutrition.
What is the name of the condition?
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Question 4 of 40
4. Question
4. Benedict’s solution was added to a food sample. The mixture was heated. A brick-red colour was observed.
Which food component was present?
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Question 5 of 40
5. Question
5. During anaerobic respiration,
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Question 6 of 40
6. Question
6. The diagram shows the structure of an alveolus.
Which gas moves in the direction of the arrow?
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Question 7 of 40
7. Question
7. The diagram shows a plant cell after it has been placed in a concentrated salt solution.
Which substance moves in the direction of the arrow?
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Question 8 of 40
8. Question
8. The diagram shows the internal section of a blood vessel.
What is the function of T?
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Question 9 of 40
9. Question
9. The diagram shows the human circulatory system.
Which blood vessel A, B, C, or D, has blood under the highest pressure.
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Question 10 of 40
10. Question
10. A woman starts her mensural flow on the 2nd of April.
When is she expected to ovulate?
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Question 11 of 40
11. Question
11. Which part of the male reproductive system stores sperm?
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Question 12 of 40
12. Question
12. the diagram shows the reproductive system of a woman.
What is part S?
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Question 13 of 40
13. Question
13. Which disease is spread by drinking contaminated water?
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Question 14 of 40
14. Question
14. The diagram shows some specialized human cells.
Which cell A, B, C, or D, is the target of HIV?
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Question 15 of 40
15. Question
15. The diagram shows a simple distillation apparatus.
What happens in Part X?
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Question 16 of 40
16. Question
16. Element X has an electronic configuration of 2, 8, 2.
What is the charge on an ion of X?
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Question 17 of 40
17. Question
17. Which statement is true about the atom
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Question 18 of 40
18. Question
18. Which formula is used to calculate the concentration of a solution?
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Question 19 of 40
19. Question
19. Which one is a property of a molten ionic compound?
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Question 20 of 40
20. Question
20. Chlorine gas is used in
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Question 21 of 40
21. Question
29. What is the unit of force?
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Question 22 of 40
22. Question
22. Iron, copper, zinc, and magnesium are all metals.
Which one is the least reactive?
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Question 23 of 40
23. Question
23. The diagram shows the electrolysis of water.
What is gas X?
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Question 24 of 40
24. Question
24. Which process is prevented by galvanizing?
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Question 25 of 40
25. Question
25.The diagram shows stages in the manufacture of ammonia.
What is the pressure requirement at X.
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Question 26 of 40
26. Question
26. Iron is extracted from its ore in the blast furnace by the process of
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Question 27 of 40
27. Question
27. Which one is the correct structural formula of ethane?
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Question 28 of 40
28. Question
28. What is the reading shown by the micrometer screw gauge?
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Question 29 of 40
29. Question
29. What is the units of force?
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Question 30 of 40
30. Question
30. A load of 900 N is raised 1 m by an effort of 300 N along an inclined plane. The inclined plane is 4 m long.
What is the efficiency of the inclined plane?
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Question 31 of 40
31. Question
31. The diagram shows a lift pump.
What happens to the valves during the downward stroke?
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Question 32 of 40
32. Question
32. Solids transfer heat by
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Question 33 of 40
33. Question
33. The tube inside solar heating pannels use the sun’s heat energy to warm water.
Why are tubes painted black?
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Question 34 of 40
34. Question
34. Which energy conversion takes place in a thermal power generator?
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Question 35 of 40
35. Question
35. The speed of an electric motor can be increased by
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Question 36 of 40
36. Question
36. Messages are sent through cellphones in the form of
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Question 37 of 40
37. Question
Which circuit A, B, C or D is used to verify Ohm’s law?
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Question 38 of 40
38. Question
38. The diagram shows an electric circuit.
What component is X?
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Question 39 of 40
39. Question
39. What is the power of a lamp rated 12 V, 2 A?
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Question 40 of 40
40. Question
40. What might cause an electric shock?
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