Carib Quiz - Biology
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Biology
1. Question

Decomposers are important in the process of decay because:

2. Question

The chemicals that make up the bodies of animals and plants are called:

3. Question

Oxygen is carried around the body by the:

4. Question

The optimum temperature for enzyme action is:

5. Question

The following are all minerals EXCEPT for:

6. Question

Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass

7. Question

A student observed a plant cell through a microscope and made an accurate drawing of the cell. If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real diameter of the cell?

8. Question

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

9. 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?

10. Question

The main taxonomic groups in order, starting with the largest, are:

11. Question

The scientific name of an organism is derived from its:

12. Question

Osmosis is:

13. Question

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

14. Question

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

15. Question

In humans, an egg cell is released from an ovary approximately every:

16. Question

In a plant, water and dissolved minerals are transported in the:

17. Question

Which one of the following is NOT a reflex action?

18. Question

Genetic engineering involves:

19. Question

Which of the following statements about lipids is NOT true?

20. Question

An example of an air pollutant is:

21. Question

Single-celled organisms do not need a transport system because:

22. Question


The site of reabsorption of MOST of the water from the filtrate.

23. Question

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

24. Question

Crossing two brown mice produced an offspring with a black coat.Which of the following statements MUST be correct?
Ⅰ Brown coat is dominant to black.
Ⅱ The brown mice were heterozygous for coat colour.
Ⅲ The black mouse was homozygous for coat colour.
Ⅳ Crossing a black mouse with another black mouse could produce a brown offspring.

25. Question

All of the following have endoskeletons EXCEPT for:

26. Question

All of the following are features of a gas exchange surface EXCEPT for:

27. Question

Plants lose water through their leaves by the process of:

28. Question

In order to carry out photosynthesis, a plant needs:

29. Question

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

30. Question

Active transport:

31. Question


The main site of action of ADH (antidiuretic hormone).

32. Question

Which one of the following is NOT a receptor in the body?

33. Question

Cells become specialised to carry out different roles.This process is called:

34. Question

Which of the following statements about aerobic respiration is correct?

35. Question

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

Which part of the model represents the diaphragm?

36. Question

Plants make growth movements in response to all of the following stimuli EXCEPT for:

37. Question

Most plant and animal cells contain:

38. Question

Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus

39. Question

Which of the following statements about photosynthesis is NOT true?

40. Question

The optimum pH for most enzyme action is:

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