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Biology
1. Question

Which one of the following foods contains the most energy per 100 g?

2. Question

Which of the following statements about photosynthesis is NOT true?

3. Question

Which of the following substances contains the elements carbon, hydrogen, oxygen and nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins

4. Question

Active transport:

5. Question

A typical soil contains mineral particles, humus, water, air and:

6. Question

In a plant cell, turgor is caused by:

7. Question

The following are all features of insect-pollinated flowers EXCEPT for:

8. Question

All of the following are components of an ecosystem EXCEPT for:

9. Question

An example of an air pollutant is:

10. Question

Which of the following does NOT play a role in evolutionary change?

11. Question

An enzyme which has an optimum pH of 3 will function best in the:

12. Question

The following diagram shows a model used to show how breathing movements take place:

Which part of the model represents the diaphragm?

13. Question

Which of the following is NOT a way in which infectious diseases can be transmitted?

14. Question

The biceps and triceps are an antagonistic pair of muscles because:

15. Question

The length of an insect such as a grasshopper increases in steps.This is because:

16. Question

In order to carry out photosynthesis, a plant needs:

17. Question

Which of the following routes taken by blood in the body is correct?

18. Question

Oxygen is carried around the body by the:

19. Question

Which one of the following is NOT a function of the placenta?

20. Question

75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?

21. Question

Which of the following is NOT transported in phloem?

22. Question

Which of the following is NOT found dissolved in plasma?

23. Question

Vaccination causes a person′s immune system to produce:

24. Question

AIDS is a killer disease because:

25. Question

Which of the following conditions is NOT caused by a poor diet?

26. Question

When a person who has diabetes injects himself with insulin it:

27. Question

Plant stems grow towards a light source.This is an example of:

28. Question

Malaria is spread by:

29. Question

An alternate form of a gene is called an:

30. Question

A lack of vitamin D in the diet causes:

31. Question

The optimum pH for most enzyme action is:

32. Question

Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica plant by:

33. Question

Which one of the following factors does NOT affect the rate of transpiration?

34. Question

Which one of the following is a biological component of a pond ecosystem?

35. Question

Which one of the following structures is responsible for controlling entry and exit of materials into and out of the cell?

36. Question

Proteins are:

37. Question

All of the following are possible consequences of global warming EXCEPT for:

38. Question

The following are all minerals EXCEPT for:

39. Question

Which of the following statements about diffusion is NOT true?

40. Question

In the diagram of a section through a synovial joint, the part labelled X represents the:

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