Q: Which one of the following is NOT a component of photochemical smog?
(a)Ozone
(b)Peroxyacetyl nitrate
(c)Polyaromatic hydrocarbons
(d)Nitric oxide
Correct Answer: (c)
The correct answer is (b) 'पेरॉक्सीएसीटिल नाइट्रेट'. This question from the General Studies domain tests knowledge of Miscellaneous.