Question
Environmental Studies Question on Pollution
Which of the following are criteria Air pollutants under National Ambient Air Quality standards?
A. CO
B. CO2
C. Pb
D. Hg
E. SO2
Choose the correct answer from the options given below :
A
A, B and D only
B
B and D only
C
A, C and E only
D
B, C, D and E only
Answer
A, C and E only
Explanation
Solution
The correct answer is (C) : A, C and E only.