GLOBAL WARMING QUESTION ANSWERS

1. In addition to their role in ozone depletion, CFCs play a role in global warming by

1. absorbing solar radiation
2. absorbing earthshine in the 10 micron region
3. blocking ultraviolet-B radiation
4. destroying ozone, which cools the Earth

Answers available at the bottom


2. Ozonospere is mainly depleted by

1. excess CO
2. 
   
3. CFCs
4. excess CO2
5. ozone

Answers available at the bottom


3. Excess atmospheric carbon dioxide increase green house effect as carbon dioxide

1. excess CO2
2. precipitates dust in the atmosphere
3. is opaque to infrared rays
4. reduce atmospheric pressure
5. is not opaque to infrared rays

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4. Which of the following processes acts to remove carbon dioxide from the atmosphere?

1. burning fossil fuels 
2. photosynthesis 
3. deforestation 
4. lightning 

5. Which of the following is not a major greenhouse gas?

1. water vapor
2. carbon-dioxide
3. ozone
4. methane

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6. Checking of re radiating heat by atmosphere carbon dioxide, methane, ozone, dust is known as

1. ozone layer
2. green house effect
3. radioactive effect
4. solar effect

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7. Which of the following is not a potential adverse effect of global warming?

1. more extreme weather patterns 
2. retreat of glaciers
3. an increase of UVB radiation
4. sea level rise

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8. The most abundant greenhouse gas in the earth's atmosphere:

1. methane 
2. carbon dioxide 
3. nitrous oxide 
4. water vapor 

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9. Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?

1. nitrogen and carbon dioxide 
2. water vapor and carbon dioxide 
3. ozone and oxygen 
4. oxygen and nitrogen 

10. Ultraviolet radiations from sunlight causes a reaction that produces

1. sulphur oxide
2. fluorides
3. ozone
4. carbon monoxide

Answers for the above Questions( 1 to 10 Questions)

1. absorbing earthshine in the 10 micron region

2. CFCs

3. is opaque to infrared rays

4. photosynthesis 

5. ozone

6. green house effect

7. an increase of UVB radiation

8. water vapor 

9. water vapor and carbon dioxide 

10. Ozone