Reason (R) : UV radiations affect the growth of phytoplankions as a result food chain in ocean is disturbed.
A. Both (A. and (R) are correct hut (R) is not the correct explanation of (A).
B. Both (A) and (R) are correct and (R) is the correct explanation of (A).
C. (A) is correct but (R) is wrong.
D. (A) is wrong but (R) is correct.
Answer:B
Reason (R) : UV radiations affect the growth of phytoplankions as a result food chain in ocean is disturbed.
A. Both (A. and (R) are correct hut (R) is not the correct explanation of (A). B. Both (A) and (R) are correct and (R) is the correct explanation of (A). C. (A) is correct but (R) is wrong. D. (A) is wrong but (R) is correct.