Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Calcareous ooze is an example of ____.
a. | terrigenous sediment | b. | biogenous sediment | c. | hydrogenous
sediment | d. | both terrigenous sediment and biogenous sediment |
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2.
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Which of the following is NOT an energy resource obtained from the ocean?
a. | oil | c. | coal | b. | natural gas | d. | gas hydrates |
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3.
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Seamounts are ____.
a. | volcanoes that form on the ocean floor | b. | only found in the Pacific
Ocean | c. | a special type of oceanic trench | d. | submarine canyons found near
Australia |
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4.
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Submarine canyons most likely formed due to erosion by
a. | turbidity currents. | c. | transform faulting. | b. | volcanic activity. | d. | trench
formation. |
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5.
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Which of the following can submersibles do?
a. | collect data about areas of the ocean that were previously unreachable by
humans | b. | map the ocean surface from space | c. | remain underwater for long periods of
time | d. | both a and c |
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6.
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Which of the following is NOT true about deep ocean trenches?
a. | They are long and narrow depressions. | b. | They are sites where plates plunge back into
the mantle. | c. | They are geologically very stable. | d. | They form the deepest parts of the
ocean. |
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7.
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Approximately how much of Earth’s surface is covered by land?
a. | 30 percent | c. | 60 percent | b. | 50 percent | d. | 70 percent |
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8.
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Which of the following is farthest from the shoreline?
a. | continental shelf | c. | continental rise | b. | submarine canyon | d. | abyssal plain |
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9.
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The largest of Earth’s oceans is the ____.
a. | Pacific | c. | Indian | b. | Atlantic | d. | Arctic |
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10.
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Which of Earth’s spheres includes the
oceans, groundwater, lakes, and glaciers? a. | the atmosphere | c. | the biosphere | b. | the hydrosphere | d. | the geosphere |
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