Question
Environmental Studies Question on Pollution monitoring
Which of the following is associated with Ozone destruction in the Stratosphere?
(A) CFCs
(B) Polar stratospheric clouds
(C) UV-B
(D) UV-A
(E) Cl radicals
Correct Answer: Option (4) (A), (B), (C) and (D)
A
(A) and (E) only
B
(A), (B), and (E) only
C
(A), (C), and (D) only
D
(A), (B), (C), and (E) only
Answer
(A), (B), and (E) only
Explanation
Solution
CFCs, Polar stratospheric clouds, and Cl radicals are key contributors to ozone destruction in the stratosphere. CFCs release chlorine radicals, which catalyze the breakdown of ozone molecules. Polar stratospheric clouds provide surfaces for chlorine activation.