CaribQuiz - Biology
Biology
1. Question

Which of the following statements about aerobic respiration is correct?

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2. Question

Enzymes are called biological catalysts because they:

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3. Question

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

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4. Question

The following are all minerals EXCEPT for:

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5. Question

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

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6. Question

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

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7. Question

Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.

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8. Question

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

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9. Question

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

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10. Question

All of the following are organelles EXCEPT for:

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11. Question

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

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12. Question

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

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13. Question

The white blood cells that produce antibodies are called:

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14. Question

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

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15. Question

Which one of the following is NOT an inherited disorder?

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16. Question

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

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17. Question

Anaerobic respiration takes place:

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18. Question

An alternate form of a gene is called an:

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19. Question

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

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20. Question

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

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21. Question

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

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22. Question

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

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23. Question

Simple sugars are called monosaccharides because:

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24. Question

Decomposers are important in the process of decay because:

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25. Question

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

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26. Question

Genetic engineering involves:

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27. 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:

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28. Question

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

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29. 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?

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30. Question

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

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31. Question

Which of one the following statements about phloem cells is NOT true?

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32. Question

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

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33. Question

The correct pathway of water through a plant is:

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34. Question

A species of mouse has 32 chromosomes in its muscle cells.What will be the numbers of chromosomes in the mouse′s skin cells and sperm cells?

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35. Question


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

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36. Question

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

Which part of the model represents the diaphragm?

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37. Question

Active transport:

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38. Question

Leaves are thin and flat:

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39. Question

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

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40. Question

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

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