Consider the following agricultural practices: 1. Contour bunding 2. Relay cropping 3. Zero tillage In the context of global climate change, which of the above helps/help in carbon sequestration/storage in the soil?
A1 and 2 only
B3 only
C1, 2 and 3
DNone of them
Answer & Solution
Correct answer: B. 3 only
UPSC CSE Prelims 2012 (GS-I, Set A), Q.98. Answer key: B (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
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