CaribQuiz - Biology
Biology
1. Question

An alternate form of a gene is called an:

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2. Question

All of the following have endoskeletons EXCEPT for:

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3. Question

In an ecosystem a population is:

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4. Question

Which one of the following is NOT a harmful effect of smoking?

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5. Question

In a food chain a plant is a producer because it produces:

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6. Question

Plants lose water through their leaves by the process of:

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7. Question

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

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8. Question

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

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9. Question

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

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10. Question

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

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11. Question

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

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12. Question

Vaccination causes a person′s immune system to produce:

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13. Question

Which of the following statements about aerobic respiration is correct?

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14. Question

Active transport:

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15. Question

All of the following can affect the size of a population EXCEPT for:

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16. Question

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

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17. Question

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

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18. Question

In a plant cell, turgor is caused by:

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19. Question

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

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20. Question

The white blood cells that produce antibodies are called:

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21. Question

Which one of the following is NOT a reflex action?

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22. Question

The following are all minerals EXCEPT for:

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23. Question

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

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24. Question

Which one of the following is NOT an inherited disorder?

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25. 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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26. Question

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

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27. 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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28. 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.

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29. Question

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

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30. Question

Anaerobic respiration takes place:

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31. Question


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

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32. Question

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

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33. Question

Which one of the following chemicals is used to test for starch?

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34. Question

The correct pathway of water through a plant is:

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35. Question

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

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36. Question


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

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37. Question

Most plant and animal cells contain:

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38. Question


The aim of the experiment shown above was to find out if:

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39. Question

Enzymes are called biological catalysts because they:

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40. Question

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

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