Q: The depletion in atmospheric ozone layer in last century was due to:
(a)chlorofluorocarbon
(b)carbon monoxide
(c)methane
(d)pesticides
Correct Answer: (a)
The correct answer is (a) 'क्लोरोफ्लोरोकार्बन'. This question from the General Studies domain tests knowledge of Miscellaneous.