Geography PYQ 554 of 587 · Environment & Ecology · Miscellaneous

Which of the following components is the main constituent of biogas?

  1. AMethane
  2. BPropane
  3. CButane
  4. DEthane
  5. ENone of the above/More than one of the above

67th B.P.S.C. Re-Exam (Pre) 2022

Show answer and explanation

Correct answer: (a) Methane

Explanation

The gas produced by the biological decomposition of any organic matter in the absence of oxygen is called biogas. The main constituents of biogas are methane and carbon dioxide. In gobar gas (biogas), methane is found in about 50–75%.

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