Question 1

The potentially fatal condition known as "blue baby syndrome" in infants under 6 months old can result from agricultural pollution in drinking water.

Accepted Answer

A) True 
 B)False  True

Question 2

More than 140 million people, living in 70 countries worldwide, are drinking water that has arsenic concentrations of ____ times the accepted level.

Accepted Answer

A) 2-10 
B) 2-20 
C) 3-50 
D) 5-100 
E) 10-1000 
A) 2-10 
B) 2-20 
C) 3-50 
D) 5-100 
E) 10-1000 D

Question 3

Worldwide, ____________________, caused mostly by exposure to polluted water, on average kills a young child every 18 seconds.

Accepted Answer

diarrhea

Question 4

Placing contaminated water in a clear plastic bottle and exposing it to the sun can kill infectious microbes in as little as three hours.

Accepted Answer

A) True 
 B)False

Question 5

Cyanobacteria are commonly called _______________.

Accepted Answer

The answer of Cyanobacteria are commonly called _______________....

Question 6

The only effective way to protect groundwater is to

Accepted Answer

A) prevent contamination 
B) use monitoring wells 
C) cover all wells carefully 
D) treat all water from underground sources 
E) use advanced sewage treatment 
A) prevent contamination 
B) use monitoring wells 
C) cover all wells carefully 
D) treat all water from underground sources 
E) use advanced sewage treatment

Question 7

Of the following organisms, the group that is least likely to cause disease is

Accepted Answer

A) bacteria 
B) protozoa 
C) algae 
D) parasitic worms 
E) viruses 
A) bacteria 
B) protozoa 
C) algae 
D) parasitic worms 
E) viruses

Question 8

Which of the following is not a means of purifying water for drinking?

Accepted Answer

A) protecting watersheds from pollution 
B) exposing water in a clear plastic bottle to intense sunlight 
C) LifeStraws 
D) PUR 
E) centrifugation 
A) protecting watersheds from pollution 
B) exposing water in a clear plastic bottle to intense sunlight 
C) LifeStraws 
D) PUR 
E) centrifugation

Question 9

Following the Exxon Valdez oil spill, all 10,000 of the world's oil tankers now have double hulls.

Accepted Answer

A) True 
 B)False

Question 10

The most common problem encountered by seabirds coated with oil is

Accepted Answer

A) immediate death 
B) vulnerability to predators 
C) loss of buoyancy and insulation, causing deaths from exposure 
D) poisoning by taking in the oil internally 
E) starvation 
A) immediate death 
B) vulnerability to predators 
C) loss of buoyancy and insulation, causing deaths from exposure 
D) poisoning by taking in the oil internally 
E) starvation

Question 11

Contaminated groundwater can not cleanse itself for all of the following reasons, except

Accepted Answer

A) Groundwater does not move at all. 
B) Contaminants are not dispersed effectively. 
C) Lower concentrations of dissolved oxygen exist for decomposition. 
D) Usually cold temperatures slow down reactions. 
E) Contaminants are not diluted easily. 
A) Groundwater does not move at all. 
B) Contaminants are not dispersed effectively. 
C) Lower concentrations of dissolved oxygen exist for decomposition. 
D) Usually cold temperatures slow down reactions. 
E) Contaminants are not diluted easily.

Question 12

Stream pollution from industry and untreated sewage is a growing problem in developing countries.

Accepted Answer

A) True 
 B)False

Question 13

Climate change contributes to water pollution in some areas by altering the levels of precipitation.

Accepted Answer

A) True 
 B)False

Question 14

The United Nations reports that each year unsafe water kills more people than all the wars and other forms of violence. Explain why unsafe water is such a major problem.

Accepted Answer

Students may include one or more of the

Question 15

According to the Global Water Policy Project, most cities in developing countries discharge ____ of their untreated sewage directly into rivers, streams, and lakes whose waters are then used for human consumption.

Accepted Answer

A) 10─20% 
B) 20─30% 
C) 40─50% 
D) 50─60% 
E) 80─90% 
A) 10─20% 
B) 20─30% 
C) 40─50% 
D) 50─60% 
E) 80─90%

Question 16

Excessive heat is considered a form of water pollution.

Accepted Answer

A) True 
 B)False

Question 17

In most developed countries, large fish kills and contamination of drinking water may be caused by all of the following except

Accepted Answer

A) malfunctioning sewage treatment plants 
B) accidental release of toxic industrial chemicals 
C) deliberate release of toxic industrial chemicals 
D) accidental release of predatory exotic species 
E) pesticides and plant nutrients from agricultural sources 
A) malfunctioning sewage treatment plants 
B) accidental release of toxic industrial chemicals 
C) deliberate release of toxic industrial chemicals 
D) accidental release of predatory exotic species 
E) pesticides and plant nutrients from agricultural sources

Question 18

A good indicator of water quality is the number of

Accepted Answer

A) ducks 
B) fish 
C) turtles 
D) coliform bacteria 
E) protozoa 
A) ducks 
B) fish 
C) turtles 
D) coliform bacteria 
E) protozoa

Question 19

Bottled water in the U.S.costs 240 to 100,000 times more than tap water, yet ____ of bottled water is contaminated by synthetic organic chemicals and bacteria.

Accepted Answer

A) one-tenth 
B) one-fifth 
C) one-third 
D) one-half 
E) three-quarters 
A) one-tenth 
B) one-fifth 
C) one-third 
D) one-half 
E) three-quarters

Question 20

Less than ____% of the water entering the Great Lakes leaves the St.Lawrence River.

Accepted Answer

A) 1 
B) 8 
C) 16 
D) 32 
E) 64 
A) 1 
B) 8 
C) 16 
D) 32 
E) 64

Exam 20: Water Pollution

The potentially fatal condition known as "blue baby syndrome" in infants under 6 months old can result from agricultural pollution in drinking water.

More than 140 million people, living in 70 countries worldwide, are drinking water that has arsenic concentrations of ____ times the accepted level.

Worldwide, ____________________, caused mostly by exposure to polluted water, on average kills a young child every 18 seconds.

Placing contaminated water in a clear plastic bottle and exposing it to the sun can kill infectious microbes in as little as three hours.

Cyanobacteria are commonly called _______________.

The only effective way to protect groundwater is to

Of the following organisms, the group that is least likely to cause disease is

Which of the following is not a means of purifying water for drinking?

Following the Exxon Valdez oil spill, all 10,000 of the world's oil tankers now have double hulls.

The most common problem encountered by seabirds coated with oil is

Contaminated groundwater can not cleanse itself for all of the following reasons, except

Stream pollution from industry and untreated sewage is a growing problem in developing countries.

Climate change contributes to water pollution in some areas by altering the levels of precipitation.

The United Nations reports that each year unsafe water kills more people than all the wars and other forms of violence. Explain why unsafe water is such a major problem.

According to the Global Water Policy Project, most cities in developing countries discharge ____ of their untreated sewage directly into rivers, streams, and lakes whose waters are then used for human consumption.

Excessive heat is considered a form of water pollution.

In most developed countries, large fish kills and contamination of drinking water may be caused by all of the following except

A good indicator of water quality is the number of

Bottled water in the U.S.costs 240 to 100,000 times more than tap water, yet ____ of bottled water is contaminated by synthetic organic chemicals and bacteria.

Less than ____% of the water entering the Great Lakes leaves the St.Lawrence River.

Environmental Problems, Their Causes, and Sustainability

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Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

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Sustaining Biodiversity: the Species Approach

Sustaining Terrestrial Biodiversity: the Ecosystem Approach

Sustaining Aquatic Biodiversity

Food, Soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

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Environmental Hazards and Human Health

Air Pollution

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