Question 1

Which of the following is MOST LIKELY to be considered a point source of water pollution?

Accepted Answer

A) A paper mill on the Mississippi River. 
B) A golf course on Lake Mead. 
C) An irrigated farm along the Colorado River. 
D) Acid mine drainage into the Rio Grande River. 
A) A paper mill on the Mississippi River. 
B) A golf course on Lake Mead. 
C) An irrigated farm along the Colorado River. 
D) Acid mine drainage into the Rio Grande River.

Question 2

Why are urban areas more likely to flood after heavy precipitation than undeveloped areas?

Accepted Answer

A) Buildings and paved roads don't absorb water, so run off is significantly greater in developed areas 
B) Precipitation is usually greater in urbanized areas than in natural areas due to heat islands. 
C) Urbanized areas are almost always built on floodplains and hence are more prone to flooding. 
D) Most urban areas don't have adequate sewer systems to handle the rain. 
A) Buildings and paved roads don't absorb water, so run off is significantly greater in developed areas 
B) Precipitation is usually greater in urbanized areas than in natural areas due to heat islands. 
C) Urbanized areas are almost always built on floodplains and hence are more prone to flooding. 
D) Most urban areas don't have adequate sewer systems to handle the rain.

Question 3

What is probably the BEST way for industry to reduce water waste?

Accepted Answer

A) Decrease industrial production 
B) Increased irrigation use 
C) Switching to dry production of industrial goods 
D) Reuse and recycle wastewater on site 
A) Decrease industrial production 
B) Increased irrigation use 
C) Switching to dry production of industrial goods 
D) Reuse and recycle wastewater on site

Question 4

What do the dashed lines shown in the diagram below illustrate?

Accepted Answer

A) Hydrogen bonding 
B) The polarity of water 
C) The chemical formula of water 
D) The physical properties of water 
E) Oxygen bonding 
A) Hydrogen bonding 
B) The polarity of water 
C) The chemical formula of water 
D) The physical properties of water 
E) Oxygen bonding

Question 5

Compare and contrast the three photographs below. Identify what the photos are of and describe the reasons for the differences. What is the potential future for this region?

Accepted Answer

The three photos show the changes in the

Question 6

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. 
A) To improve its color. 
B) To improve its taste. 
C) To remove sediment. 
D) To kill disease-causing agents.

Question 7

What does the DARK BLUE are on the map illustrate?

Accepted Answer

A) Areas of the High Plains Aquifer that contain the deepest water. 
B) Areas of the High Plains Aquifer that have had most of the water removed. 
C) Areas of the High Plains Aquifer that have run dry. 
D) Areas of the High Plains Aquifer with high saltwater intrusion. 
A) Areas of the High Plains Aquifer that contain the deepest water. 
B) Areas of the High Plains Aquifer that have had most of the water removed. 
C) Areas of the High Plains Aquifer that have run dry. 
D) Areas of the High Plains Aquifer with high saltwater intrusion.

Question 8

Wastewater, including sewage usually undergoes several treatments at a sewage treatment plant. Match the treatment with the process for expected outcome.

Accepted Answer

A) primary treatment: eliminating inorganic and organic compounds by aerating and circulating the wastewater. 
B) tertiary treatment: biologically decomposing suspended organic material. 
C) secondary treatment: reducing phosphorus and nitrogen levels with a filtering system. 
D) primary treatment: removing suspended and floating particles by mechanical processes. 
A) primary treatment: eliminating inorganic and organic compounds by aerating and circulating the wastewater. 
B) tertiary treatment: biologically decomposing suspended organic material. 
C) secondary treatment: reducing phosphorus and nitrogen levels with a filtering system. 
D) primary treatment: removing suspended and floating particles by mechanical processes.

Question 9

The safe Drinking Water Act requires the EPA to determine maximum contaminant levels for water pollutants that might adversely affect human health.

Accepted Answer

A) True 
 B)False

Question 10

What is the major difference in the fate of precipitation after urbanization?

Accepted Answer

A) Evaporation and transpiration decreases 
B) Surface runoff increases. 
C) Ground water infiltration decreases. 
D) All of these choices. 
A) Evaporation and transpiration decreases 
B) Surface runoff increases. 
C) Ground water infiltration decreases. 
D) All of these choices.

Question 11

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. 
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.

Question 12

Which of the following BEST describes the body of water in this picture?

Accepted Answer

A) Nutrient poor lake 
B) Oligotrophic lake 
C) Eutrophic lake 
D) Deep lake with low dissolved oxygen 
A) Nutrient poor lake 
B) Oligotrophic lake 
C) Eutrophic lake 
D) Deep lake with low dissolved oxygen

Question 13

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. 
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.

Question 14

The area of land drained by a single river or stream is called:

Accepted Answer

A) cisterns. 
B) aquifer. 
C) watershed. 
D) reservoirs. 
A) cisterns. 
B) aquifer. 
C) watershed. 
D) reservoirs.

Question 15

Orlando, Florida's low-tech, natural wastewater treatment system relies on which of the following?

Accepted Answer

A) A river 
B) Wetlands 
C) A lake 
D) The ocean 
A) A river 
B) Wetlands 
C) A lake 
D) The ocean

Question 16

Which property of water presents a drawback in terms of water pollution?

Accepted Answer

A) Water's high melting and freezing point. 
B) That water in the form of ice is less dense than liquid water. 
C) Water's high heat capacity (i.e., ability to absorb\ a great deal of solar heat without substantially increasing in temperature). 
D) Water's ability to be a universal solvent. 
A) Water's high melting and freezing point. 
B) That water in the form of ice is less dense than liquid water. 
C) Water's high heat capacity (i.e., ability to absorb\ a great deal of solar heat without substantially increasing in temperature). 
D) Water's ability to be a universal solvent.

Question 17

Benefits of dams include all of the following EXCEPT:

Accepted Answer

A) generating electricity. 
B) providing flood control for areas downstream. 
C) increasing habitat quality for native fishes. 
D) providing potential recreation benefits. 
A) generating electricity. 
B) providing flood control for areas downstream. 
C) increasing habitat quality for native fishes. 
D) providing potential recreation benefits.

Question 18

Why is this part of the Colorado River in Mexico dry?

Accepted Answer

A) Severe droughts have reduced water flow so that the river often dries up. 
B) So much water has been diverted for irrigation that the river often dries up. 
C) The Colorado is an intermittent river, which means it naturally dries up in the late summer. 
D) Dams built for hydroelectric power generation have cut off water to this region of the Colorado River. 
A) Severe droughts have reduced water flow so that the river often dries up. 
B) So much water has been diverted for irrigation that the river often dries up. 
C) The Colorado is an intermittent river, which means it naturally dries up in the late summer. 
D) Dams built for hydroelectric power generation have cut off water to this region of the Colorado River.

Question 19

The human body is made up of approximately percent water by weight.

Accepted Answer

A) 10 
B) 20 
C) 40 
D) 70 
A) 10 
B) 20 
C) 40 
D) 70

Question 20

An area of land that is drained by a single river is called a/an:

Accepted Answer

A) wetland. 
B) aquifer. 
C) flood plain. 
D) drainage basin. 
A) wetland. 
B) aquifer. 
C) flood plain. 
D) drainage basin.

Which of the following is MOST LIKELY to be considered a point source of water pollution?

Why are urban areas more likely to flood after heavy precipitation than undeveloped areas?

What is probably the BEST way for industry to reduce water waste?

What do the dashed lines shown in the diagram below illustrate?

Compare and contrast the three photographs below. Identify what the photos are of and describe the reasons for the differences. What is the potential future for this region?

Why is water sometimes treated with ultraviolet (UV)radiation?

What does the DARK BLUE are on the map illustrate?

Wastewater, including sewage usually undergoes several treatments at a sewage treatment plant. Match the treatment with the process for expected outcome.

The safe Drinking Water Act requires the EPA to determine maximum contaminant levels for water pollutants that might adversely affect human health.

What is the major difference in the fate of precipitation after urbanization?

What is gray water?

Which of the following BEST describes the body of water in this picture?

Removing too much fresh water from a river:

The area of land drained by a single river or stream is called:

Orlando, Florida's low-tech, natural wastewater treatment system relies on which of the following?

Which property of water presents a drawback in terms of water pollution?

Benefits of dams include all of the following EXCEPT:

Why is this part of the Colorado River in Mexico dry?

The human body is made up of approximately percent water by weight.

An area of land that is drained by a single river is called a/an:

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

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Exam 10: Freshwater Resources and Water Pollution

Which of the following is MOST LIKELY to be considered a point source of water pollution?

Why are urban areas more likely to flood after heavy precipitation than undeveloped areas?

What is probably the BEST way for industry to reduce water waste?

What do the dashed lines shown in the diagram below illustrate?

Compare and contrast the three photographs below. Identify what the photos are of and describe the reasons for the differences. What is the potential future for this region?

Why is water sometimes treated with ultraviolet (UV)radiation?

What does the DARK BLUE are on the map illustrate?

Wastewater, including sewage usually undergoes several treatments at a sewage treatment plant. Match the treatment with the process for expected outcome.

The safe Drinking Water Act requires the EPA to determine maximum contaminant levels for water pollutants that might adversely affect human health.

What is the major difference in the fate of precipitation after urbanization?

What is gray water?

Which of the following BEST describes the body of water in this picture?

Removing too much fresh water from a river:

The area of land drained by a single river or stream is called:

Orlando, Florida's low-tech, natural wastewater treatment system relies on which of the following?

Which property of water presents a drawback in terms of water pollution?

Benefits of dams include all of the following EXCEPT:

Why is this part of the Colorado River in Mexico dry?

The human body is made up of approximately percent water by weight.

An area of land that is drained by a single river is called a/an:

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters