Radiation from Gases, Greenhouse Effect - 2 - MCQs with Answers

Radiation from Gases, Greenhouse Effect – 2 – MCQs with Answers

1. How is the greenhouse effect experienced on earth?

a. global worming
b. pollution
c. both a. and b.
d. none of the above

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2. Which of the following gases is/are responsible for global warming?

a. Carbon dioxide (CO₂)
b. Water vapour (H₂O)
c. both a. and b.
d. none of the above

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3. In desert areas, there is large difference between day and night temperatures mainly because of

a. presence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface
b. presence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface
c. absence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface
d. absence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface

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4. How is the cooling at night in coastal areas?

a. the day temperature reduces rapidly at night in coastal areas
b. the day temperature reduces slowly at night in coastal areas
c. the day temperature and a night temperature in coastal areas are similar
d. unpredictable

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5. The radiation energy from the sun is produced by

a. fission reaction
b. fusion reaction
c. both a. and b.
d. none of the above

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6. The rate at which the solar energy reaching the earth's atmosphere is called as

a. solar constant
b. radiation constant
c. electromagnetic constant
d. atmospheric constant

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7. The radiation from fusion of hydrogen

a. can be achieved on earth's surface
b. can not be achieved on earth's surface
c. can be achieved on earth's surface at high maintained temperature
d. unpredictable

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