Question 1

The use of water to cool industrial facilities

Accepted Answer

A)  can result in a thermal plume. 
B)  can attract certain fish, birds, and marine mammals. 
C)  was banned as a result of the Clean Water Act. 
D)  can result in a thermal plume and attract certain fish, birds, and marine mammals. 
A)  can result in a thermal plume. 
B)  can attract certain fish, birds, and marine mammals. 
C)  was banned as a result of the Clean Water Act. 
D)  can result in a thermal plume and attract certain fish, birds, and marine mammals. D

Question 2

Runoff of pesticides from lawns, fields, golf courses, and other areas is considered to be one of the most important sources of toxic organic pollution of water.

Accepted Answer

A) True 
 B)False  True

Question 3

In the diagram, which of the following organisms would probably be found in the area between 1 and 2?

Accepted Answer

A)  Mayfly and stonefly larvae 
B)  Mosquito larvae 
C)  Bullhead catfish and gar 
D)  Gar, blackfly, and midge larvae 
E)  Trout, sludge worms, and mosquito larvae 
A)  Mayfly and stonefly larvae 
B)  Mosquito larvae 
C)  Bullhead catfish and gar 
D)  Gar, blackfly, and midge larvae 
E)  Trout, sludge worms, and mosquito larvae B

Question 4

High oxygen content in water is an indication that

Accepted Answer

A)  Water is clean enough to support game fish 
B)  There are no contaminants present at all 
C)  There is a large population of coliform bacteria 
D)  Water is only able to support algae and bacteria 
E)  Sewage, paper pulp, or food processing wastes have been added to the water 
A)  Water is clean enough to support game fish 
B)  There are no contaminants present at all 
C)  There is a large population of coliform bacteria 
D)  Water is only able to support algae and bacteria 
E)  Sewage, paper pulp, or food processing wastes have been added to the water

Question 5

Best available economically achievable technology (BAT) standards are standards set for

Accepted Answer

A)  Nonpoint pollution 
B)  Toxic substances 
C)  Radioactive waste, specifically 
D)  Organic compounds 
E)  All point sources 
A)  Nonpoint pollution 
B)  Toxic substances 
C)  Radioactive waste, specifically 
D)  Organic compounds 
E)  All point sources

Question 6

The advantage of effluent sewerage is that

Accepted Answer

A)  Since solids are removed, pipes and pumps to the central treatment plant can be small and cheap 
B)  Since solids remain in the liquid, disposal is easy and cheap 
C)  Families can do all their processing at home 
D)  Large, expensive municipal systems are no longer needed 
E)  Since solids are digested like a septic system, the effluent can be used as fertilizer 
A)  Since solids are removed, pipes and pumps to the central treatment plant can be small and cheap 
B)  Since solids remain in the liquid, disposal is easy and cheap 
C)  Families can do all their processing at home 
D)  Large, expensive municipal systems are no longer needed 
E)  Since solids are digested like a septic system, the effluent can be used as fertilizer

Question 7

MTBE is a gasoline additive

Accepted Answer

A)  intended to reduce carbon monoxide in vehicle exhaust. 
B)  which evaporates before entering groundwater. 
C)  that is a very serious source of groundwater pollution in the United States. 
D)  intended to reduce carbon monoxide in vehicle exhaust and evaporates before entering groundwater. 
E)  intended to reduce carbon monoxide in vehicle exhaust and is a very serious source of groundwater pollution in the United States. 
A)  intended to reduce carbon monoxide in vehicle exhaust. 
B)  which evaporates before entering groundwater. 
C)  that is a very serious source of groundwater pollution in the United States. 
D)  intended to reduce carbon monoxide in vehicle exhaust and evaporates before entering groundwater. 
E)  intended to reduce carbon monoxide in vehicle exhaust and is a very serious source of groundwater pollution in the United States.

Question 8

______________ is an example of a natural process that is accelerated by human activities.

Accepted Answer

A)  Eutrophication 
B)  The weathering and release of toxic inorganic minerals from rocks 
C)  The mobilization and concentration of soluble salts from groundwater 
D)  Sediment loading of rivers 
E)  All of these are correct 
A)  Eutrophication 
B)  The weathering and release of toxic inorganic minerals from rocks 
C)  The mobilization and concentration of soluble salts from groundwater 
D)  Sediment loading of rivers 
E)  All of these are correct

Question 9

The discharge from a nonpoint source of pollution is

Accepted Answer

A)  Usually constant throughout the year 
B)  Generally easier to regulate than a point source 
C)  Usually less polluting than a point source 
D)  Highly seasonal in quantity 
E)  Less damaging than other sources of pollution 
A)  Usually constant throughout the year 
B)  Generally easier to regulate than a point source 
C)  Usually less polluting than a point source 
D)  Highly seasonal in quantity 
E)  Less damaging than other sources of pollution

Question 10

Compare and contrast the cleanup and control of nonpoint and point sources of water pollution.

Accepted Answer

Point
- Examples include factories, powe

Question 11

The potential problem with natural decay for human waste is that

Accepted Answer

A)  It never really works 
B)  It only works where population density is low 
C)  It is an expensive process to maintain 
D)  Unlike sewage treatment, it produces toxic by-products 
E)  Natural processes take a long time 
A)  It never really works 
B)  It only works where population density is low 
C)  It is an expensive process to maintain 
D)  Unlike sewage treatment, it produces toxic by-products 
E)  Natural processes take a long time

Question 12

Tertiary sewage treatment is designed to remove

Accepted Answer

A)  Large solids 
B)  Suspended solids 
C)  Sludge 
D)  Nitrates and phosphates 
E)  Dissolved organic compounds 
A)  Large solids 
B)  Suspended solids 
C)  Sludge 
D)  Nitrates and phosphates 
E)  Dissolved organic compounds

Question 13

Air pollution can lead to water contamination via a process called atmospheric deposition.

Accepted Answer

A) True 
 B)False

Question 14

The main reason that surface water pollution has largely decreased in the United States since 1950 is

Accepted Answer

A)  The Clean Water Act 
B)  A series of epidemics that inspired action 
C)  The discovery of newer technology that makes it cheaper not to pollute 
D)  The decrease in water withdrawal for industrial uses 
E)  The emphasis, in 1950, on watershed management 
A)  The Clean Water Act 
B)  A series of epidemics that inspired action 
C)  The discovery of newer technology that makes it cheaper not to pollute 
D)  The decrease in water withdrawal for industrial uses 
E)  The emphasis, in 1950, on watershed management

Question 15

The first estuary in the United States to be targeted for protection and restoration was Chesapeake Bay.

Accepted Answer

A) True 
 B)False

Question 16

Tertiary treatment of sewage produces water that is typically used for

Accepted Answer

A)  Agriculture 
B)  Drinking 
C)  Industrial activities 
D)  Watering livestock 
E)  Dumping into freshwater systems 
A)  Agriculture 
B)  Drinking 
C)  Industrial activities 
D)  Watering livestock 
E)  Dumping into freshwater systems

Question 17

Since the Clean Water Act of 1972, the quantities of nitrate and phosphate entering surface waters have

Accepted Answer

A)  decreased significantly for both point and nonpoint sources. 
B)  have decreased for nonpoint sources but not point sources. 
C)  have decreased for point sources but not nonpoint sources. 
D)  essentially remained the same. 
A)  decreased significantly for both point and nonpoint sources. 
B)  have decreased for nonpoint sources but not point sources. 
C)  have decreased for point sources but not nonpoint sources. 
D)  essentially remained the same.

Question 18

Toxic metals such as lead, cadmium, and mercury

Accepted Answer

A)  Rarely threaten water supplies 
B)  Can be toxic if high concentrations are reached 
C)  Can be toxic in extremely small quantities 
D)  Are the most common health threat in water 
E)  Usually don't accumulate in food chains 
A)  Rarely threaten water supplies 
B)  Can be toxic if high concentrations are reached 
C)  Can be toxic in extremely small quantities 
D)  Are the most common health threat in water 
E)  Usually don't accumulate in food chains

Question 19

_________ sources of water pollution are relatively easy to monitor and regulate, while _____________ sources of water pollution are difficult to monitor and clean up.

Accepted Answer

A)  Domestic; industrial 
B)  Primary; tertiary pollutant 
C)  Nonpoint; point 
D)  Tertiary pollutant; primary 
E)  Point; nonpoint 
A)  Domestic; industrial 
B)  Primary; tertiary pollutant 
C)  Nonpoint; point 
D)  Tertiary pollutant; primary 
E)  Point; nonpoint

Question 20

The sediments that make up the Ganges river delta in India are often toxic because they

Accepted Answer

A)  Run through toxic soils 
B)  Originate in coastal industrial areas 
C)  Are highly acidic due to acid rain 
D)  Have concentrations of naturally occurring arsenic 
E)  Dissolve naturally-occurring sulfur dioxide 
A)  Run through toxic soils 
B)  Originate in coastal industrial areas 
C)  Are highly acidic due to acid rain 
D)  Have concentrations of naturally occurring arsenic 
E)  Dissolve naturally-occurring sulfur dioxide

Exam 18: Water Pollution

The use of water to cool industrial facilities

Runoff of pesticides from lawns, fields, golf courses, and other areas is considered to be one of the most important sources of toxic organic pollution of water.

In the diagram, which of the following organisms would probably be found in the area between 1 and 2?

High oxygen content in water is an indication that

Best available economically achievable technology (BAT) standards are standards set for

The advantage of effluent sewerage is that

MTBE is a gasoline additive

______________ is an example of a natural process that is accelerated by human activities.

The discharge from a nonpoint source of pollution is

Compare and contrast the cleanup and control of nonpoint and point sources of water pollution.

The potential problem with natural decay for human waste is that

Tertiary sewage treatment is designed to remove

Air pollution can lead to water contamination via a process called atmospheric deposition.

The main reason that surface water pollution has largely decreased in the United States since 1950 is

The first estuary in the United States to be targeted for protection and restoration was Chesapeake Bay.

Tertiary treatment of sewage produces water that is typically used for

Since the Clean Water Act of 1972, the quantities of nitrate and phosphate entering surface waters have

Toxic metals such as lead, cadmium, and mercury

_________ sources of water pollution are relatively easy to monitor and regulate, while _____________ sources of water pollution are difficult to monitor and clean up.

The sediments that make up the Ganges river delta in India are often toxic because they

Understanding Our Environment

Principles of Science and Systems

Matter, Energy, and Life

Evolution, Biological Communities, and Species Interactions

Biomes: Global Patterns of Life

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity: Preserving Species

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Use and Management

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

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_ sources of water pollution are relatively easy to monitor and regulate, while _____ sources of water pollution are difficult to monitor and clean up.