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State PCS PYQPrelims 2018

UPPCS · Question 63

Methane is emitted from which of the following?

  1. Paddy fields only
  2. Termitaries only
  3. Both (a) and (b)
  4. None of the above
Show answer & explanation

Answer: (C) Both (a) and (b)

Explanation

Methane is released both by anaerobic decomposition in flooded paddy fields and by microbes in termite guts. Both are major natural/agricultural sources.