Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution
Which of the following are examples of secondary air pollutants?
(A) Sulphate
(B) Nitric Oxide (NO)
(C) Photochemical smog
(D) Peroxy Acetyl Nitrate (PAN)
(E) Polycyclic Aromatic Hydrocarbons (PAH)
Choose the most appropriate answer from the options given below:
1
(A), (B), (C) and (D) only
2
(C), (D) and (E) only
3
(B), (C) and (D) only
4
(A), (C) and (D) only