UPPCS 2019 Pre

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

Verified Answer
A. Nitrogen
B. Carbon dioxide
C. Carbon monoxide
D. Methane

Explanation:

Paddy fields create anaerobic conditions when flooded, which leads to the decomposition of organic matter by methanogenic bacteria. This process produces methane (CH₄), a potent greenhouse gas that contributes significantly to global warming and increases the Earth's temperature.