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Officer Candidate Tests Practice Test 7: General Science
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Officer Candidate Tests Practice Test 7: General Science
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25 Questions

1. All types of steel contain
2. During a thunderstorm, we see a lightning bolt before we hear the sound of the accompanying thunder chiefly because
3. Nitrogen-fixing bacteria are found in nodules on the roots of the
4. The Earth completes one trip around the sun approximately every
5. The primary reason why fungi are often found growing in abundance deep in the forest is that there
6. The normal height of a mercury barometer at sea level is
7. Of the following substances, the one that is nonmagnetic is
8. The greater the frequency of sound waves,
9. If you wish to cut down on saturated fats and cholesterol in your diet, which of the following foods should you avoid?
10. The Wassermann test may indicate the presence of
11. You are most likely to develop hypothermia when
12. The major chemical constituent of a cell (by weight) is
13. Which one of the following is NOT a fruit?
14. A volcanic eruption is caused by
15. Narcotics may be dangerous if used without supervision, but they are useful in medicine because they
16. Of the following, the part of a ship that gives it stability by lowering the center of gravity is the
17. If you are caught away from home during a thunderstorm, the safest place to be is
18. A person is more buoyant when swimming in salt water than in fresh water because
19. The hammer, anvil, and stirrup bones lie in the
20. The number of degrees on the Fahrenheit thermometer between the freezing point and the boiling point of water is
21. Which of the following minerals is restored to the soil by plants of the pea and bean family?
22. The vascular system of the body is concerned with
23. Alcoholic beverages contain
24. Ringworm is caused by a(n)
25. Of the following, the gas that is needed for burning is

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