Question 1

The upper surface of the saturated zone of groundwater is termed the:

Accepted Answer

A)  aquifer.
B)  water table.
C)  watershed.
D)  wetland.E) A) and D)
F) C) and D)

Question 2

Compare and contrast the overdrawing of surface waters and ground water.As part of your response,please define surface water,runoff,watershed,groundwater,and aquifer.Also discuss the repercussions of overdrawing surface water and ground water.

Accepted Answer

Surface water is the precipitation that ...

Question 3

What is the MOST serious water related issue for people in developing countries

Accepted Answer

A)  Insufficient access to clean water to meet basic drinking and household needs.
B)  Salinization from too much irrigation.
C)  High municipal consumption and waste of water.
D)  Eutrophication of lakes.E) A) and B)
F) All of the above

Question 4

Why is water sometimes treated with ultraviolet (UV) radiation

Accepted Answer

A)  To improve its color.
B)  To improve its taste.
C)  To remove sediment.
D)  To kill disease-causing agents.E) All of the above
F) B) and C)

Question 5

Sustainable water use refers to:

Accepted Answer

A)  acquiring water supplies for human consumption by using the best available technology such as building dams and constructing water diversion systems.
B)  obtaining water from previously unusable sources of water by removing salt from seawater or salty groundwater.
C)  the wise use of water resources,without harming the essential functioning of the hydrologic cycle or the ecosystems on which present and future humans depend.
D)  conserving water by reusing and recycling water and improving water-use efficiency to augment water suppliesE) None of the above
F) A) and B)

Question 6

Groundwater can be contaminated from all of the following sources EXCEPT:

Accepted Answer

A)  backyards.
B)  municipal sanitary landfills.
C)  intensively cultivated agricultural lands.
D)  None of these choices.E) A) and B)
F) All of the above

Question 7

Compare and contrast point source and nonpoint source pollution.Include the following components in your comparison: sources,impact,prevention,and regulation of each type of pollution.

Accepted Answer

Point source pollution is discharge of w...

Question 8

Which of the following pollution problems are caused by sewage pollution

Accepted Answer

A)  Sediments that can reduce light penetration in water bodies.
B)  Disease causing agents that pose a risk to human health.
C)  Radioactive substances that can potentially threaten drinking water.
D)  Carbon dioxide emissions that contribute to global climate change.E) A) and D)
F) B) and D)

Question 9

Which of the following associations correctly pairs the current law with its goal controlling water pollution

Accepted Answer

A)  Clean Water Act (1987) - sets uniform federal standards for public drinking water supplies.
B)  Clean Water Act (1977) - sets the maximum permissible amounts of water pollutants that can be discharged from a sewage treatment plant,factory,or other point source.
C)  Safe Drinking Water Act (1974) - sets the amount of tax to charge polluters to pay for the cleanup of drinking water.
D)  Safe Water Drinking Act (1996) - regulates underground injection of wastes such that groundwater is protected.E) None of the above
F) B) and C)

Question 10

What is gray water

Accepted Answer

A)  Water used in industrial processing that is cleaned and used for irrigation.
B)  Leftover irrigation water that is collected and recycled.
C)  Water that has already been used in sinks,showers,washing machines,and dishwashers.
D)  Water contaminated by salt from saltwater intrusion that is used for industry.E) All of the above
F) A) and B)

Question 11

What is the basis for water's high melting / freezing point

Accepted Answer

A)  Water molecules have a non-polar structure.
B)  It forms hydrogen bonds between adjacent molecules.
C)  Water molecules can form ionic bonds.
D)  Because it is a positive ion.E) A) and B)
F) A) and C)

Question 12

Which of the following nonpoint source pollutants is INCORRECTLY matched with an effect

Accepted Answer

A)  soil erosion from logging operations - sediment pollution
B)  animal waste from livestock operations - infectious diseases
C)  road salt from urban streets - low BOD
D)  fertilizer runoff from farm fields- eutrophicationE) None of the above
F) A) and B)

Question 13

Microirrigation is a type of irrigation:

Accepted Answer

A)  in which pipes with tiny holes bored in them convey water directly to individual plants.
B)  in which water used in sinks and showers is used to irrigate fields.
C)  in which recycled wastewater is used to water crops.
D)  that uses captured rainwater to irrigate farm plots.E) B) and C)
F) A) and D)

Question 14

The effect of sewage on waterways is most similar to the effects of which of the following water pollutants

Accepted Answer

A)  Pesticides.
B)  Sedimentation from soil erosion.
C)  Heavy metals.
D)  Fertilizers.E) A) and D)
F) A) and B)

Question 15

Eutrophication results in:

Accepted Answer

A)  increased biodiversity.
B)  increased dissolved oxygen content of the water.
C)  reduced light penetration.
D)  decreased photosynthetic productivity.E) A) and B)
F) A) and C)

Question 16

How do heavy metals like zinc and copper most often contaminate surface waters in suburban areas

Accepted Answer

A)  Leachate from sanitary landfills.
B)  Wearing of roofing materials.
C)  Corrosion of plumbing systems.
D)  Fertilizer and pesticide use on suburban lawns.E) C) and D)
F) B) and D)

Question 17

In Europe more than 50% of the available water is used for what purpose

Accepted Answer

A)  agriculture
B)  domestic use
C)  industrial use
D)  groundwater rechargeE) All of the above
F) C) and D)

Question 18

Removing too much fresh water from a river:

Accepted Answer

A)  can cause a river to become devoid of dissolved minerals and salts as there is less water to hold these substances in solution.
B)  can cause a decrease in bird populations because of the ensuing water shortage and reduced productivity in the estuarine areas that are breeding grounds for many species.
C)  has little effect on associated wetland areas as such areas are naturally adapted to dramatic declines in water levels.
D)  actually results in an increase in productivity of associated wetlands and estuaries because the lower water flows carry more nutrients.E) A) and D)
F) A) and C)

Question 19

The process in the water cycle that moves water from the land and ocean to the atmosphere is called:

Accepted Answer

A)  irrigation
B)  runoff
C)  precipitation
D)  evaporationE) A) and B)
F) A) and D)

Question 20

As a water user,you have a responsibility to use water carefully and wisely.To conserve water,it is suggested that you:

Accepted Answer

A)  wash dishes by hand instead of using the dishwasher.
B)  plant more trees in your yard.
C)  cut shower time down to 30 minutes.
D)  choose a high efficiency washing machine.E) None of the above
F) A) and B)

Exam 10: Freshwater Resources and Water Pollution

Sustainable water use refers to:

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What is gray water

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As a water user,you have a responsibility to use water carefully and wisely.To conserve water,it is suggested that you:

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What is the basis for water's high melting / freezing point

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In Europe more than 50% of the available water is used for what purpose

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Compare and contrast the overdrawing of surface waters and ground water.As part of your response,please define surface water,runoff,watershed,groundwater,and aquifer.Also discuss the repercussions of overdrawing surface water and ground water.

Correct AnswerverifiedSurface water is the precipitation that ...View AnswerShow Answer

Removing too much fresh water from a river:

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Which of the following pollution problems are caused by sewage pollution

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Why is water sometimes treated with ultraviolet (UV) radiation

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The upper surface of the saturated zone of groundwater is termed the:

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How do heavy metals like zinc and copper most often contaminate surface waters in suburban areas

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Which of the following nonpoint source pollutants is INCORRECTLY matched with an effect

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Compare and contrast point source and nonpoint source pollution.Include the following components in your comparison: sources,impact,prevention,and regulation of each type of pollution.

Correct AnswerverifiedPoint source pollution is discharge of w...View AnswerShow Answer

The effect of sewage on waterways is most similar to the effects of which of the following water pollutants

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Which of the following associations correctly pairs the current law with its goal controlling water pollution

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Groundwater can be contaminated from all of the following sources EXCEPT:

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What is the MOST serious water related issue for people in developing countries

Correct AnswerverifiedShow Answer

The process in the water cycle that moves water from the land and ocean to the atmosphere is called:

Correct AnswerverifiedShow Answer

Eutrophication results in:

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Microirrigation is a type of irrigation:

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Surface water is the precipitation that ...
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Point source pollution is discharge of w...
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