Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following processes does not use up oxygen?
a. | combustion | c. | respiration | b. | oxidation | d. | photosynthesis |
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2.
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Fish live underwater but still breathe oxygen. How?
a. | they have gills that extract oxygen from the water | c. | they have specially developed lungs
that extract oxygen from the water | b. | they rise to the top of bodies of water and
breathe in air from the surface | d. | oxygen absorbs directly through their skin by
diffusion |
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3.
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What process produces the majority of the oxygen we breathe in the
atmosphere?
a. | decomposition | c. | oxidation | b. | photosynthesis | d. | respiration |
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4.
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In the process of decomposition,
a. | carbon dioxide is used up | c. | oxygen is used
up | b. | oxygen is not affacted | d. | oxygen is produced |
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5.
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In respiration, organisms
a. | breathe in oxygen and release carbon dioxide | c. | breathe in carbon dioxide and
release nitrogen | b. | breathe in oxygen and release nitrogen | d. | breathe in carbon dioxide and release
oxygen |
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6.
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The main creators of oxygen in the atmosphere is
a. | plants | c. | fungi | b. | animals | d. | bacteria |
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7.
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The oxygen cycle is interconnected with which other cycle?
a. | nitrogen | c. | water | b. | rock | d. | carbon |
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