What would happen if phytoplankton of an ocean is completely destroyed for some reason? 1. The ocean as a carbon sink would be adversely affected. 2. The food chains in the ocean would be adversely affected. 3. The density of ocean water would drastically decrease. Select the correct answer using the codes given below:
A1 and 2 only
B2 only
C3 only
D1, 2 and 3
Answer & Solution
Correct answer: A. 1 and 2 only
UPSC CSE Prelims 2012 (GS-I, Set A), Q.99. Answer key: A (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
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