WorksheetsWater Pollution Quiz #2
Total questions: 10
Worksheet time: 8mins
The US legislation that sets limits of pollutants to protect wildlife, recreation, and properties of surface water is the
Superfund Act
Safe Drinking Water Act
Maximum Contaminant Level (MCL) Act
Clean Water Act
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Oxygen sag curves
may occur during spring floods
occur when oxygen demanding wastes are added to the water
develop in fast flowing rivers
May occur upstream from a sewage treatment plant
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All of the following are a result of the Exxon Valdez oil tanker running aground off the coast of Alaska in 1989 except
millions of gallons of crude oil spread over the ocean and shoreline
thousands of animals were killed: some species have recovered, others have not
the oil that contaminated the shoreline is now completely broken down
all oil tankers in North America must have a double-hull design to resist leaking
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Successful remediation of oil spills floating on the surface of the ocean from leaking oil tankers or offshore platforms includes which of the following?
I. Containment with a skimmer and vacuum up the oil
II. High pressure hot water
III. Chemical dispersants that aid in the breakdown of oil
I and II
II and III
I and III
I, II, and III
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The passage of water-pollution legislation is most likely to occur when
a developing country is still in the process of industrialization and rapid population growth.
a developed country has experienced industrialization and can afford the control measures demanded by its citizens.
a developing country has not yet industrialized and water quality is still good.
nonpoint source pollution outnumbers the point source pollution.
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Benthic invertebrates are an important indicator of water quality. What does the presence of only very tolerant species indicate?
good water quality and high DO
poor water quality and low DO
good water quality and low DO
poor water quality and high DO
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Which does NOT contribute to poor water quality in developing countries?
high population density
rapid industrialization
sewage treatment
poverty
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Harmful algal blooms (HABs) are characterized by
causing massive marine mammal and fish die off
a "red tide" appearance
releasing of harmful toxins into the water and air
all of the above
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In the northeastern United States, lakes located near agricultural fields likely experience high biological oxygen demand. What is the most likely cause?
runoff
bioaccumulation of pesticides
irrigation of crops using ground water
waste from livestock disposed in lakes
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Wastewater from a sewage treatment plant is released at the start of the graph. What does this blue line most likely represent?
BOD (biological oxygen demand)
DO (dissolved oxygen)
fecal coliform bacteria
pH
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