UPSC Civil Services Prelims 2016
Question 34 of 46Environment and Ecology
In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of the Air Quality Index? 1. Carbon dioxide 2. Carbon monoxide 3. Nitrogen dioxide 4. Sulphur dioxide 5. Methane
A1, 2 and 3 only
B2, 3 and 4 only
C1, 4 and 5 only
D1, 2, 3, 4 and 5
Correct Answer
The correct answer is hidden
Explanation
29 words hidden ... Carbon dioxide and methane are important greenhouse gases, but they are not generally used as standard AQI pollutants ... 32 words hidden