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  9. Q3

APSC CCE 2023 · Question 3 of 163

Paddy fields are chief sources of which of the following greenhouse gases? (i) Methane (ii) Carbon dioxide (iii) Nitrous oxide (iv) Ozone

Environment

  1. A(i) onlyCorrect
  2. B(ii) only
  3. C(i) and (iii) only
  4. D(ii), (iii) and (iv) only

Answer: A. (i) only

Explanation

Waterlogged paddy fields create anaerobic conditions in which methanogenic bacteria produce methane — the overwhelmingly primary greenhouse gas emitted from paddy fields.

Source: APSC CCE Prelims 2023 GS Paper-I, solved paper via assamtest.com

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