Download multiple choice study questions for this week`s material

AirPollutionStudyQuide
Multiple Choice
Identify the choice that best completes the statement or answers the question.
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1. The following toxic gas was an important component in London's smoke fogs.
a. ozone (O3)
b. sulfur dioxide (SO2)
c. radon (Rn)
d. carbon monoxide (CO)
2. The following toxic gas is an important component in LA and Houston type photochemical smog.
a. ozone (O3)
b. sulfur dioxide (SO2)
c. radon (Rn)
d. carbon monoxide (CO)
3. The smoke in London smogs came primarily from:
a. exhaust from diesel engines
b. trash fires
c. factories in Eastern Europe
d. coal combustion
4. Collectively, particles of soot, smoke, dust and pollen are called:
a. hydrocarbons
b. aerosols
c. carcinogens
d. haze
5. Which of the following gases will replace oxygen in blood hemoglobin and thereby reduce the transport of
oxygen to the brain?
a. sulfur dioxide (SO2)
b. carbon monoxide (CO)
c. carbon dioxide (CO2)
d. methane (CH4)
6. Which of the following gas is most closely linked to respiratory problems?
a. Ozone (O3)
b. carbon monoxide (CO)
c. carbon dioxide (CO2)
d. methane (CH4)
7. Which of the following statements is not true of carbon monoxide (CO)?
a. it replaces oxygen in the blood's hemoglobin
b. it is removed slowly from the atmosphere
c. it is produced by the incomplete combustion of carbon-containing fuels
d. roughly half of the CO in the atmosphere is produced by automobiles
8. Nitrogen dioxide (NO2) reacts with __________ in the atmosphere to form nitric acid (HNO3).
a. hydrogen
b. water vapor
c. ozone
d. carbon dioxide
e. sulfur dioxide
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9. Nitrogen dioxide (NO2) and hydrocarbons react with __________ in the atmosphere to form ozone (O3).
a. hydrogen
b. water vapor
c. ozone
d. sunlight
e. sulfur dioxide
10. A primary component of photochemical smog is:
a. ozone
b. carbon monoxide
c. sulfur dioxide
d. chlorofluorocarbons
11. Photochemical smog is also termed:
a. London-type smog
b. subsidence smog
c. mixing layer smog
d. sea breeze smog
e. Los Angeles (LA)-type smog
12. An air quality index value of 35 on a particular day would indicate __________ conditions.
a. good
b. unhealthful
c. extremely hazardous
d. moderately hazardous
13. An air quality index value of 400 on a particular day would indicate __________ conditions.
a. good
b. unhealthful
c. extremely hazardous
d. moderately hazardous
14. Overall, the air in Los Angeles is __________ it was 20 years ago.
a. less polluted today than
b. more humid today than
c. about as polluted today as
d. significantly denser today than
e. more polluted today than
15. Overall, the air quality in the US is __________ it was 20 years ago.
a. less polluted today than
b. more humid today than
c. about as polluted today as
d. significantly denser today than
e. more polluted today than
16. Overall, acid rain in the US is __________ it was 20 years ago.
a. less acidic today than
b. more humid today than
c. about the same today as
d. significantly more severe today than
e. slightly more acidic today than
____ 17. Pollution is most severe in urban areas when:
a. a cold upper-level low moves into a region
b. a warm front passes through the area
c. a large slow-moving anticyclone (High Pressure system) moves into an area
d. a storm system begins developing to the west.
e. a cold front passes through the area
____ 18. Atmospheric stagnation is a condition normally brought on by:
a. thunderstorms
b. slow-moving anticyclones (high pressure systems)
c. overcast skies
d. tall buildings in a city
e. movement of an upper level trough overhead
____ 19. Which is not correct about acid deposition?
a. it is only a problem in New England and Scandinavia
b. it can damage plants and water resources
c. it is caused mainly by the release of oxides of sulfur and nitrogen
d. can fall to ground in dry or wet forms
____ 20. Another name for acid rain:
a. wet deposition
b. acid fog
c. dry deposition
d. "sour" rain
____ 21. The problem of acid rain is probably most severe in which of the following regions:
a. Gulf Coast
b. New England
c. Desert Southwest
d. Pacific Northwest
e. Central Plains
____ 22. Rain with a pH of 5.6 would be considered:
a. acidic
b. alkaline
c. neutral
d. polluted
e. harmful
____ 23. Rain with a pH of 5.6 would be considered:
a. highly acidic rain water
b. normal rain water
c. slightly polluted
d. very polluted
e. harmful
____ 24. A greenhouse gas used as a refrigerant, a solvent, and during the manufacture of foam:
a. water vapor (H2O)
b. carbon dioxide (CO2)
c. methane (CH4)
d. polyvinylchloride (PVC)
e. chlorofluorocarbons (CFCs)
____ 25. The ozone hole is found in this atmospheric layer:
a. thermosphere
b. troposphere
c. stratosphere
d. ionosphere
e. mesosphere
____ 26. About 97% of all ozone in the atmosphere is found in the:
a. stratosphere
b. troposphere
c. mesosphere
d. exosphere
e. thermosphere
____ 27. The so-called "ozone hole" is observed above:
a. the continent of North America
b. the equator
c. the continent of Australia
d. the continent of Antarctica
e. the continent of Asia
____ 28. The term "ozone hole" refers to a __________ decrease in ozone concentration.
a. permanent
b. seasonal
c. monthly
d. daily
____ 29. If the concentration of ozone were to decrease significantly, which of the following might also occur?
a. less absorption of ultraviolet radiation in the stratosphere.
b. an increase in the number of cases of skin cancer
c. the stratosphere would cool
d. more ultraviolet radiation would be absorbed at the earth's surface
e. all of the above
____ 30. Polar stratospheric clouds are thought to contribute to the problem of:
a. global warming
b. ozone destruction
c. acid rain
d. photochemical smog
e. radio wave interference
____ 31. When chlorofluorocarbons are subjected to ultraviolet radiation, __________ is released which rapidly
destroys ozone.
a. chlorine
b. nitrogen
c. carbon dioxide
d. carbon
e. water vapor
____ 32. What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in
polluted air at the surface?
a. carbon dioxide
b. carbon monoxide
c. ozone
d. nitrogen dioxide
e. hydrocarbons
____ 33. Once released into the atmosphere, chlorofluorocarbons remain about:
a. 10 days
b. 100 years
c. 1 year
d. 1 month
____ 34. Particulate pollution with diameters less than 2.5 micrometers are particularly dangerous because
a. they can penetrate deep into the lungs
b. they dissolve easily in water
c. they are chemically neutralized by dissolved carbon dioxide
d. both b and c
e. none of the above
____ 35. Which of the following are capable of destroying ozone in the stratosphere?
a. oxygen atoms
b. chlorine atoms
c. other ozone molecules
d. all of the above