State PCS PYQPrelims 2019

UPPCS · Question 62

The gas, which is emitted in the paddy fields and increases the earth's temperature is

  1. Nitrogen
  2. Carbon dioxide
  3. Carbon monoxide
  4. Methane
Show answer & explanation

Answer: (D) Methane

Explanation

Flooded paddy fields release methane through anaerobic decomposition, and methane is a potent greenhouse gas.