In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon dioxide 2. Carbon monoxide 3. Nitrogen dioxide 4. Sulfur dioxide 5. Methane Select the correct answer using the code given below.
A1, 2 and 3 only
B2, 3 and 4 only
C1, 4 and 5 only
D1, 2, 3, 4 and 5
Answer & Solution
Correct answer: A. 1, 2 and 3 only
UPSC CSE Prelims 2016 (GS-I, Set A), Q.86. Answer key: A (coaching consensus; UPSC did not publish an official 2016 AK separately on upsc.gov.in).
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