Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 3 - Water Pollution
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1.
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Point-source pollution and nonpoint-source pollution differ in
a. | the kind of biological agents causing the pollution. | b. | whether the source
of pollution is agricultural or industrial. | c. | the number of sources from which the pollution
is discharged. | d. | whether the pollutants are chemical or physical
agents. |
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2.
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Fertilizers are classified as which kind of water pollutant?
a. | organic chemicals | b. | inorganic chemicals | c. | heavy
metals | d. | physical agents |
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3.
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One reason polluted groundwater pollution is difficult to clean is that
a. | the location of underground storage tanks is not always known. | b. | pollutants cling to
the materials that make up aquifers. | c. | runoff contaminates the water
supply. | d. | All of the above |
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4.
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Sources of ocean pollution include
a. | oil spills. | b. | direct dumping of
wastewater. | c. | activities on land. | d. | All of the
above |
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5.
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Which Act strengthened the laws against dumping waste in U.S. waters?
a. | Marine Protection, Research | b. | Clean Water Act and Sanctuaries
Act | c. | Water Quality Act | d. | both (a) and
(b) |
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Matching
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Section 3 - Water Pollution
Choose the letter of the
term or phrase that best matches the description.
a. | thermal pollution | d. | artificial
eutrophication | b. | wastewater | e. | water pollution | c. | biomagnification |
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6.
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accumulation of pollutants at successive levels of the food chain
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7.
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introduction of chemical, physical, or biological agents into water
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8.
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accelerated build-up of nutrients caused by humans
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9.
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water that contains waste from industry or homes
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10.
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results in an increase of water temperature
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