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Multiple Choice Quiz
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1

An interesting contradiction is that although the use of chlorinated hydrocarbons has been banned in the United States they are
A)still used in some medical applications.
B)used when special permission can be obtained.
C)still manufactured in the U.S. and exported to other countries.
D)no longer a threat to the ecosystem.
E)both a and d
2

Biological magnification
A)is the magnification of toxins in animal tissues as they pass through the food chain.
B)is only a problem in invertebrate animals.
C)causes animals lower in the food chain to die so there is a lack of food for animals higher in the food chain.
D)is the result of inadequate phosphorus and carbon in the soil.
E)causes thin shells in certain species of reptiles.
3

Acid rain is killing trees and changing the pH of many lakes so they no longer support life.
A)true
B)false
4

A problem with implementing solutions to control pollution is they are expensive and no one is eager to foot the bill.
A)true
B)false
5

Increases in the amounts of greenhouse gasses could increase global temperatures from
A)10 to 40
B)50 to 100
C)50 to 120
D)100 to 150
E)It will actually cause a reduction in temperature.
6

Laws and taxes designed to curb pollution will quickly correct the problem.
A)true
B)false
7

The world population passed _________ people in 1998 and the annual increase is about _______ people.
A)60 million, 9 million
B)6 billion, 9 million
C)6 billion, 95 million
D)65 million, 95 million
E)65 billion, 9 million
8

Probably the most important part of any plan to save our environment is
A)to raise taxes so we will have enough money to stop pollution.
B)create laws to punish politicians who refuse to support antipollution laws.
C)take the law in our hands and close down pollution creating factories.
D)follow-through any plans we develop.
E)none of the above
9

Which of the following can cause acid rain?
A)soil erosion
B)industrial smokestacks
C)a decrease in the ozone layer
D)clear-cutting forests
E)none of the above
10

Widespread effects on the worldwide ecosystem are called
A)disasters.
B)global change.
C)beneficial.
D)succession
E)both c and d
11

Why does it take so long for plastics to break down in nature?
A)Ozone in the atmosphere slows down the process.
B)Bacteria and fungi are unable to break down plastics.
C)Plastics become stronger with age.
D)Plastics can only be broken down by incineration.
E)none of the above
12

__________ released when coal is burned contributes to the production of acid rain.
A)Nitrogen
B)Carbon
C)Sulfur
D)Phosphorus
E)Carbon dioxide
13

Lakes with a pH of __________ cannot support most life.
A)10
B)8
C)7
D)5
E)none of the above
14

A serious drawback to the use of nuclear power is
A)the disposal of radioactive materials.
B)that it cannot provide very much energy.
C)the shortage of radioactive materials.
D)the difficulty in guarding nuclear power plants
E)both a and d
15

To solve environmental problems we must
A)assess the situation.
B)educate the public.
C)predict the consequences of environmental intervention.
D)vote.
E)all of the above





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