Carib Quiz - Biology
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Biology
1. 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.

2. Question

A lack of vitamin D in the diet causes:

3. Question

The wall of the left ventricle is thicker than that of the right ventricle because:

4. Question

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

5. Question

In a plant cell, turgor is caused by:

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

Which of the following is NOT found dissolved in plasma?

8. Question

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

9. Question

Osmosis is:

10. Question

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

11. Question

Which one of the following is NOT a reflex action?

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

15. Question

Simple sugars are called monosaccharides because:

16. Question

All of the following processes result in energy loss from an ecosystem EXCEPT for:

17. Question

Which of the following is NOT transported in phloem?

18. Question

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

19. Question

A relationship between two organisms where one organism derives benefits from the relationship and the other organism derives no benefit, but is not harmed, is called:

20. Question

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

21. Question

Water is lost from the body in:

22. Question

The part of the brain that processes information from the sense organs is the:

23. Question

In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous (TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:

24. Question

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

25. Question

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

26. Question

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

27. Question

Seeds are dispersed from the parent plant:

28. Question

The scientific name of an organism is derived from its:

29. Question

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

30. Question

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

31. Question

Enzymes catalyse specific reactions by having an active site where the substrate fits.This theory is called:

32. Question

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

33. Question

The correct pathway of water through a plant is:

34. Question

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

35. Question

AIDS is a killer disease because:

36. Question


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

37. Question

The following are all minerals EXCEPT for:

38. Question

Which one of the following is the best way to measure growth of an organism?

39. 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?

40. Question

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

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