Question

Read the following statements
(A) In stratosphere Cl atoms are released from CFC molecules by the action of U.V. rays
(B) U.V.—A rays damage DNA and induce mutations
(C) U.V.—B rays cause ageing of skin and damage skin cells
(D) U.V.—C rays cause inflammation of cornea called Snow blindness
Correct statements are
(1) (A), (B) and (C)
(2) (B) and (D)
(3) (A) and (C)
(4) (B), (C) and (D)

Answer 1

(4) (B), (C) and (D) is the correct answer.

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