Question 1

Water pollution in less-developed countries

Accepted Answer

A)  is mainly caused by untreated sewage. 
B)  occurs less frequently than in more-developed countries. 
C)  does not include industrial wastes. 
D)  does not include agricultural runoff. 
E)  is characterized by all of these answers. 
A)  is mainly caused by untreated sewage. 
B)  occurs less frequently than in more-developed countries. 
C)  does not include industrial wastes. 
D)  does not include agricultural runoff. 
E)  is characterized by all of these answers.

Question 2

Which of the following is a point source of water pollution?

Accepted Answer

A)  Offshore oil well 
B)  Livestock feedlot 
C)  Urban land 
D)  Cropland 
E)  Logged forest 
A)  Offshore oil well 
B)  Livestock feedlot 
C)  Urban land 
D)  Cropland 
E)  Logged forest

Question 3

The most serious water problem in the Southwest is

Accepted Answer

A)  flooding. 
B)  shortage of runoff. 
C)  agricultural contamination. 
D)  overuse by industry. 
E)  home overuse. 
A)  flooding. 
B)  shortage of runoff. 
C)  agricultural contamination. 
D)  overuse by industry. 
E)  home overuse.

Question 4

Human activities can greatly accelerate ____________________ by increasing the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds.

Accepted Answer

The answer of Human activities can greatly accelerate ____________________ by...

Question 5

Effects of coastal water pollution include

Accepted Answer

A)  beach pollution. 
B)  shellfish contamination. 
C)  proliferation of vast colonies of human viruses. 
D)  harmful algal blooms that release waterborne and airborne toxins. 
E)  all of these answers 
A)  beach pollution. 
B)  shellfish contamination. 
C)  proliferation of vast colonies of human viruses. 
D)  harmful algal blooms that release waterborne and airborne toxins. 
E)  all of these answers

Question 6

____________________ is the application of water (or wastewater)to land areas to supply the water (and sometimes nutrient)needs of plants.

Accepted Answer

The answer of ____________________ is the application of water (or...

Question 7

The people of Bangladesh depend on moderate annual flooding to

Accepted Answer

A)  maintain soil fertility for rice growing. 
B)  cover the countryside with water. 
C)  reduce the human population. 
D)  bring tourists dollars into the economy. 
E)  bring millions of dollars in aid for flood victims. 
A)  maintain soil fertility for rice growing. 
B)  cover the countryside with water. 
C)  reduce the human population. 
D)  bring tourists dollars into the economy. 
E)  bring millions of dollars in aid for flood victims.

Question 8

Groundwater

Accepted Answer

A)  is a major source of drinking water. 
B)  can be contaminated when wells are dug in areas naturally rich in arsenic. 
C)  contamination is not fully studied worldwide because aquifers can be expensive to locate, track and test. 
D)  can be contaminated by salt water intrusion. 
E)  is described by all of these answers. 
A)  is a major source of drinking water. 
B)  can be contaminated when wells are dug in areas naturally rich in arsenic. 
C)  contamination is not fully studied worldwide because aquifers can be expensive to locate, track and test. 
D)  can be contaminated by salt water intrusion. 
E)  is described by all of these answers.

Question 9

Which of the following statements about underground contaminants is false?

Accepted Answer

A)  Degradable organic wastes do not decompose as rapidly underground as they do on the surface. 
B)  There are few decomposing bacteria to aid in degradation of wastes. 
C)  Waste products are diluted and dispersed quickly in underground aquifers. 
D)  It can take hundreds to thousands of years for contaminated groundwater to cleanse itself of degradable wastes. 
E)  In some coastal areas, groundwater has been contaminated by saltwater intrusion. 
A)  Degradable organic wastes do not decompose as rapidly underground as they do on the surface. 
B)  There are few decomposing bacteria to aid in degradation of wastes. 
C)  Waste products are diluted and dispersed quickly in underground aquifers. 
D)  It can take hundreds to thousands of years for contaminated groundwater to cleanse itself of degradable wastes. 
E)  In some coastal areas, groundwater has been contaminated by saltwater intrusion.

Question 10

Which of the following is not a strategy for using water more sustainably?

Accepted Answer

A)  Lower water prices 
B)  Decrease government subsidies for supplying water 
C)  Protect forests, wetlands, and other natural systems that store water 
D)  Slow population growth 
E)  Increase government subsidies for reducing water waste 
A)  Lower water prices 
B)  Decrease government subsidies for supplying water 
C)  Protect forests, wetlands, and other natural systems that store water 
D)  Slow population growth 
E)  Increase government subsidies for reducing water waste

Question 11

Marine life can recover from crude oil spills most rapidly in

Accepted Answer

A)  cold and calm waters. 
B)  warm waters with rapid currents. 
C)  cold waters with rapid currents. 
D)  warm and calm waters. 
E)  estuaries. 
A)  cold and calm waters. 
B)  warm waters with rapid currents. 
C)  cold waters with rapid currents. 
D)  warm and calm waters. 
E)  estuaries.

Question 12

Groundwater can readily purify itself of wastes and contaminants.

Accepted Answer

A) True 
 B)False

Question 13

Regardless of the rate of aquifer pumping,aquifers are a renewable resource and completely recharge due to precipitation.

Accepted Answer

A) True 
 B)False

Question 14

____________________ irrigation is most efficient,reduces water waste,and can be inexpensively designed.

Accepted Answer

Drip or tr

Question 15

List three major classes of major water pollutants and their sources.

Accepted Answer

Answers should include:
infectious disea

Question 16

Removing toxins and hazardous wastes from water through sewage treatment plants can reduce water pollution.

Accepted Answer

A) True 
 B)False

Question 17

Currently,reservoirs hold more water than the total amount flowing in the world's rivers.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements about lakes is true?

Accepted Answer

A)  Stratified layers of lakes are characterized by vertical mixing. 
B)  Pollutants dilute better in lakes than in rivers and streams. 
C)  Lakes are more vulnerable than streams to contamination. 
D)  Lakes are flushed more easily than streams. 
E)  All of these statements are true. 
A)  Stratified layers of lakes are characterized by vertical mixing. 
B)  Pollutants dilute better in lakes than in rivers and streams. 
C)  Lakes are more vulnerable than streams to contamination. 
D)  Lakes are flushed more easily than streams. 
E)  All of these statements are true.

Question 19

Overuse of groundwater can lead to

Accepted Answer

A)  saltwater intrusion. 
B)  subsidence. 
C)  aquifer depletion. 
D)  depletion of a nonrenewable resource. 
E)  all of these answers 
A)  saltwater intrusion. 
B)  subsidence. 
C)  aquifer depletion. 
D)  depletion of a nonrenewable resource. 
E)  all of these answers

Question 20

Desalination

Accepted Answer

A)  is expensive. 
B)  uses vast amounts of energy. 
C)  produces toxic wastes. 
D)  is more common in arid regions of the world. 
E)  all of these answers 
A)  is expensive. 
B)  uses vast amounts of energy. 
C)  produces toxic wastes. 
D)  is more common in arid regions of the world. 
E)  all of these answers

Water pollution in less-developed countries

Which of the following is a point source of water pollution?

The most serious water problem in the Southwest is

Human activities can greatly accelerate ____________________ by increasing the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds.

Effects of coastal water pollution include

____________________ is the application of water (or wastewater)to land areas to supply the water (and sometimes nutrient)needs of plants.

The people of Bangladesh depend on moderate annual flooding to

Groundwater

Which of the following statements about underground contaminants is false?

Which of the following is not a strategy for using water more sustainably?

Marine life can recover from crude oil spills most rapidly in

Groundwater can readily purify itself of wastes and contaminants.

Regardless of the rate of aquifer pumping,aquifers are a renewable resource and completely recharge due to precipitation.

____________________ irrigation is most efficient,reduces water waste,and can be inexpensively designed.

List three major classes of major water pollutants and their sources.

Removing toxins and hazardous wastes from water through sewage treatment plants can reduce water pollution.

Currently,reservoirs hold more water than the total amount flowing in the world's rivers.

Which of the following statements about lakes is true?

Overuse of groundwater can lead to

Desalination

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters

Exam 8: Water Resources and Water Pollution

Water pollution in less-developed countries

Which of the following is a point source of water pollution?

The most serious water problem in the Southwest is

Human activities can greatly accelerate ____________________ by increasing the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds.

Effects of coastal water pollution include

____________________ is the application of water (or wastewater)to land areas to supply the water (and sometimes nutrient)needs of plants.

The people of Bangladesh depend on moderate annual flooding to

Groundwater

Which of the following statements about underground contaminants is false?

Which of the following is not a strategy for using water more sustainably?

Marine life can recover from crude oil spills most rapidly in

Groundwater can readily purify itself of wastes and contaminants.

Regardless of the rate of aquifer pumping,aquifers are a renewable resource and completely recharge due to precipitation.

____________________ irrigation is most efficient,reduces water waste,and can be inexpensively designed.

List three major classes of major water pollutants and their sources.

Removing toxins and hazardous wastes from water through sewage treatment plants can reduce water pollution.

Currently,reservoirs hold more water than the total amount flowing in the world's rivers.

Which of the following statements about lakes is true?

Overuse of groundwater can lead to

Desalination

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters