Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science

Criteria pollutant under National Ambient Air Quality Standards (NAAQS) are

A. CO

B. CO2

C. O3

D. SO2

E. NO3

Choose the correct answer from the options given below:

1
A, C, D and E only
2
A, C and D only
3
A, B and D only 
4
A, D and E only
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