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Post-Test
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1
Acid rain causes
A)destruction of forests.
B)killing of lakes.
C)death of many aquatic species.
D)All of the above
2
CFCs are
A)a cause of ozone depletion.
B)used as coolants.
C)used as a gas in aerosol dispensers.
D)All of the above
3
Which of the following is not a gas that contributes to the greenhouse effect?
A)Carbon dioxide
B)Methane
C)Ozone
D)Nitrogen oxides
4
Which of the following is/are responsible for extinction?
A)Habitat loss
B)Overexploitation
C)Introduced species
D)All of the above
5
Topsoil, groundwater, and biodiversity are nonrenewable resources.
A)True
B)False
6
The world's overpopulation is mainly due to an increase in the average human birth rate.
A)True
B)False
7
The burning of fossil fuels releases large amounts of methane gas to the atmosphere.
A)True
B)False
8
Keystone species exert a particularly strong influence on the structure and functioning of their ecosystem and must be preserved.
A)True
B)False
9
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.
10
Acid rain is killing trees and changing the pH of many lakes so they no longer support life.
A)True
B)False
11
Increases in the amounts of greenhouse gases could increase global temperatures from _________________ degrees.
A)1 to 4
B)10 to 40
C)50 to 100
D)100 to 150
E)It will actually cause a reduction in temperature.
12
Economists have identified the "optimum" amount of pollution.
A)True
B)False
13
Alternative energy sources include which of the following?
A)Wind
B)Ethanol
C)The sun
D)All of the above
14
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
15
Widespread effects on the worldwide ecosystem are called
A)disasters.
B)global change.
C)beneficial.
D)succession
E)Both 3 and 4
16
Chemical pollutants include agricultural fertilizers that are used to increase crop yield.
A)True
B)False
17
__________ released when coal is burned contributes to the production of acid rain.
A)Nitrogen
B)Carbon
C)Sulfur
D)Phosphorus
E)Carbon dioxide
18
Preserving ecosystems is the most effective way to save a species.
A)True
B)False
19
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 1 and 4
20
To solve environmental problems we must
A)assess the situation.
B)educate the public.
C)predict the consequences of environmental intervention.
D)remember that each environmental problem is solvable.
E)All of the above





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