North Carolina Science Grade 7

Chapter 19: Air Pollution

Air Pollution

1.
Water loss in plants is due to the effects of __________.
A)biomagnification
B)smog
C)the ozone layer
D)chlorofluorocarbons
2.
Pollutants can be more concentrated in animals higher in the food chain because of __________.
A)photochemical smog
B)biomagnification
C)chlorofluorocarbons
D)acid rain
3.
An example of coarse particulate matter would be __________.
A)industrial smoke
B)dust from unpaved roads
C)vehicle exhaust
D)smoke from fires
4.
Which people suffer the most from short-term and long-term exposure to pollutants?
A)middle-aged adults
B)teenagers
C)young parents
D)small children and the elderly
5.
The amount of damage an air pollutant makes is dependent on all of the following EXCEPT the __________.
A)kind of pollutant
B)amount of pollutant taken in
C)length of exposure to the pollutant
D)source of the pollutant
6.
Buildings can deteriorate from the effects of __________.
A)photochemical smog
B)UV radiation
C)acid rain
D)ozone
7.
__________ molecules are thought to be responsible for the depletion of the ozone layer.
A)Chlorofluorocarbon
B)Ozone
C)Carbon monoxide
D)Nitric acid
8.
Temperature inversions occur when __________.
A)moist air overlies dry air
B)cool air overlies warm air
C)warm air overlies cool air
D)dry air overlies moist air
9.
Which group is responsible for gathering and analyzing air pollution data?
A)state governments
B)Clean Air Act
C)U.S.Congress
D)Environmental Protection Agency
10.
Which gas is harmful on Earth's surface, yet helps protect life Earth when located high in the atmosphere?
A)ozone
B)chlorine
C)carbon monoxide
D)oxygen
11.
Chlorofluorocarbons were thought to be wonder chemicals for all of the following reasons EXCEPT __________.
A)they don't burn
B)they are not toxic
C)they are easy to manufacture
D)they don't last long
12.
Acid rain does NOT directly affect __________.
A)plants
B)soil
C)land animals
D)water life
13.
You can help reduce air pollution by __________.
A)turning off lights
B)turning up the thermostat
C)driving your own car
D)using air conditioning
14.
__________ forms when certain secondary pollutants are combined with sunlight.
A)Photochemical smog
B)Carbon monoxide
C)Nitric acid
D)Sulfur dioxide
15.
Damage from ultraviolet radiation can be prevented by wearing any of the following EXCEPT __________.
A)long-sleeved shirt
B)a wide-brimmed hat
C)a swimsuit
D)sunglasses
16.
Which of the following statements is true?
A)Air pollution levels are the same for all ambient air.
B)Ambient air is the air around you.
C)Ambient air includes all air on the planet.
D)Air pollution laws are NOT written for ambient air.
17.
All of the following are examples of secondary pollutants EXCEPT __________.
A)sulfuric acid
B)volcanic ash
C)ozone
D)nitric acid
18.
Emission levels have been reduced by all of the following EXCEPT __________.
A)loosening air pollution controls on factories
B)using devices to capture pollutants at the source
C)adding alcohol to gasoline
D)installing catalytic converters in cars
19.
Smokestacks release pollutants called __________.
A)ambient air
B)inversions
C)emissions
D)smog
20.
Which of the following pollutants would be considered a primary pollutant?
A)nitrogen oxide
B)smoke
C)ozone
D)acid rain
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