The acidification of oceans is increasing. Why is this phenomenon a cause of concern? 1. The growth and survival of calcareous phytoplankton will be adversely affected. 2. The growth and survival of coral reefs will be adversely affected. 3. The survival of some animals that have phytoplanktonic larvae will be adversely affected. 4. The cloud seeding and formation of clouds will be adversely affected. Which of the statements given above is/are correct?
A1, 2 and 3 only
B2 only
C1 and 3 only
D1, 2, 3 and 4
Answer & Solution
Correct answer: D. 1, 2, 3 and 4
UPSC CSE Prelims 2012 (GS-I, Set A), Q.50. Answer key: D (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
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