Question 1

What would you not find in water that has been through tertiary treatment?

Accepted Answer

A)   Antibiotics.
B)   Hormones.
C)   Dissolved Metals.
D)   Insecticides.
E)   Antidepressants.F) B) and C)
G) D) and E)

Question 2

In general, water use in poor countries is dominated by

Accepted Answer

A)   agricultural use.
B)   domestic needs.
C)   industrial activities.
D)   use as drinking water.
E)   All of these are correct.F) A) and D)
G) A) and B)

Question 3

Principal problems that have resulted from the construction of large dams include

Accepted Answer

A)   evaporation and siltation.
B)   leakage and weakening of bedrock.
C)   mercury poisoning.
D)   the relocation of people.
E)   All of these are correct.F) A) and C)
G) B) and E)

Question 4

Most water in the atmosphere has evaporated from the ocean, and ______ rain falls back into the sea. About ________ % of the earth's total rain falls on land.

Accepted Answer

A)   most; 10
B)   most; 20
C)   less; 55
D)   less; 70
E)   None of these. Most water in the atmosphere does not evaporate from the sea.F) A) and B)
G) A) and C)

Question 5

Tertiary treatment of sewage produces water that is usable for

Accepted Answer

A)   agriculture.
B)   drinking.
C)   industrial activities.
D)   watering livestock.
E)   dumping into freshwater systems.F) A) and B)
G) C) and D)

Question 6

The place where aquifers are most likely to be contaminated is at

Accepted Answer

A)   artesian springs.
B)   seeps and other outlets.
C)   recharge zones.
D)   all discharge and recharge areas.
E)   the zone of aeration.F) A) and C)
G) A) and B)

Question 7

Many cities in the American Southwest rely on sources of drinking water that contaminated with __________________.

Accepted Answer

A)   arsenic
B)   lead
C)   coliform bacteria
D)   DDT
E)   none of these are correct.F) D) and E)
G) C) and E) A

Question 8

Domestic water conservation in the United States would save about 20% of the water we now use. Therefore, we need to come up with better technology to avoid strict restrictions in the future.

Accepted Answer

A) True 
 B)False

Question 9

Plants that take up heavy metals found in water would be an example of

Accepted Answer

A)   containment of pollutants.
B)   tertiary sewage treatment.
C)   bioremediation.
D)   wetland treatment.
E)   in vitro extraction techniques.F) D) and E)
G) A) and C) C

Question 10

The city of Arcata, California, is notable because it designed a _________ to treat its sewage.

Accepted Answer

A)   system of modern outhouses
B)   fully modern, technologically advanced system
C)   natural marsh
D)   corporate sponsorship system
E)   living machineF) D) and E)
G) B) and D)

Question 11

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.F) A) and C)
G) B) and C)

Question 12

The activity that uses the greatest share of U.S. household water is

Accepted Answer

A)   bathing.
B)   drinking and cooking.
C)   flushing the toilet.
D)   washing clothes and dishes.
E)   watering lawns.F) C) and D)
G) B) and E)

Question 13

The National Pollution Discharge Elimination System (NPDES) was established as a part of the Resource Conservation and Recovery Act (RCRA).

Accepted Answer

A) True 
 B)False

Question 14

Use the following graph for the question.

-On the graph of clean drinking water per person, each letter represents a country. Which of the following is most likely?

Accepted Answer

A)   A is the United States; B is India.
B)   B is the United States; A is India.
C)   A is the United States; B is Canada.
D)   B is India; A is China.
E)   A is India; B is ChinaF) B) and D)
G) D) and E)

Question 15

A method of increasing water supplies that has been successful, if expensive, is

Accepted Answer

A)   desalination by reverse osmosis.
B)   cloud seeding.
C)   towing icebergs by ship from polar regions.
D)   altering the climate's convection currents.
E)   None of these methods are successful.F) B) and D)
G) A) and E)

Question 16

Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria

Accepted Answer

A)   are especially toxic to animals.
B)   may mutate into severely pathogenic strains.
C)   indicate the presence of feces in water.
D)   usually live in pesticide-contaminated water.
E)   are more difficult to find in water.F) None of the above
G) A) and D)

Question 17

Which of the following factors is the most important factor in determining whether a country is "water rich" or "water poor"?

Accepted Answer

A)   population density
B)   country size
C)   humid climate
D)   rivers running through the country
E)   renewable water suppliesF) B) and D)
G) None of the above

Question 18

Withdrawal is the total amount of water

Accepted Answer

A)   lost in transmission, due to evaporation or leakage.
B)   taken from rivers, lakes, or aquifers.
C)   used in manufacturing or agriculture.
D)   altered or polluted in human activities.
E)   lost due to chemical transformation because of human use.F) A) and D)
G) D) and E)

Question 19

The total amount of water on the Earth ____________ from year to year and the hydrologic cycle ________________.

Accepted Answer

A)   stays about the same; moves it from one place to another place
B)   increases; captures it from the incoming solar radiation
C)   increases; gains water from the Earth's interior
D)   decreases; moves it from one place to another place
E)   decreases; loses water to the atmosphereF) B) and E)
G) B) and C) A

Question 20

An oligotrophic lake would be very productive.

Accepted Answer

A) True 
 B)False

Exam 10: Water: Resources and Pollution

What would you not find in water that has been through tertiary treatment?

Correct AnswerverifiedShow Answer

In general, water use in poor countries is dominated by

Correct AnswerverifiedShow Answer

Principal problems that have resulted from the construction of large dams include

Correct AnswerverifiedShow Answer

Most water in the atmosphere has evaporated from the ocean, and ______ rain falls back into the sea. About ________ % of the earth's total rain falls on land.

Correct AnswerverifiedShow Answer

Tertiary treatment of sewage produces water that is usable for

Correct AnswerverifiedShow Answer

The place where aquifers are most likely to be contaminated is at

Correct AnswerverifiedShow Answer

Many cities in the American Southwest rely on sources of drinking water that contaminated with __________________.

Correct AnswerverifiedA

Domestic water conservation in the United States would save about 20% of the water we now use. Therefore, we need to come up with better technology to avoid strict restrictions in the future.

Correct AnswerverifiedShow Answer

Plants that take up heavy metals found in water would be an example of

Correct AnswerverifiedC

The city of Arcata, California, is notable because it designed a _________ to treat its sewage.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The activity that uses the greatest share of U.S. household water is

Correct AnswerverifiedShow Answer

The National Pollution Discharge Elimination System (NPDES) was established as a part of the Resource Conservation and Recovery Act (RCRA).

Correct AnswerverifiedShow Answer

Use the following graph for the question. -On the graph of clean drinking water per person, each letter represents a country. Which of the following is most likely?

Correct AnswerverifiedShow Answer

A method of increasing water supplies that has been successful, if expensive, is

Correct AnswerverifiedShow Answer

Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria

Correct AnswerverifiedShow Answer

Which of the following factors is the most important factor in determining whether a country is "water rich" or "water poor"?

Correct AnswerverifiedShow Answer

Withdrawal is the total amount of water

Correct AnswerverifiedShow Answer

The total amount of water on the Earth ____________ from year to year and the hydrologic cycle ________________.

Correct AnswerverifiedA

An oligotrophic lake would be very productive.

Correct AnswerverifiedShow Answer

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Most water in the atmosphere has evaporated from the ocean, and rain falls back into the sea. About __ % of the earth's total rain falls on land.

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A

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C

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The total amount of water on the Earth from year to year and the hydrologic cycle ____.

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A

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