UPPSC 2017 General Studies I Solved Paper

Question : 77 of 150

Marks: +1, -0

Which one of the following atmospheric changes takes place due to greenhouse effect?

Increase in carbon dioxide concentration in atmosphere
Increase in humidity in atmosphere
Increase in biological population
Increase in wind speed

Solution:

(a) Carbon dioxide

(CO_2)

and other greenhouse gases act like a blanket, absorbing IR radiation and preventing it from escaping into outer space. The net effect is the gradual heating of the Earth’s atmosphere and surface, a process known as global warming.

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