State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 101

Which is the main component of biogas?

  1. Propane
  2. Butane
  3. Ethane
  4. Methane
  5. None of the above / More than one of the above
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (D) Methane

ವಿವರಣೆ

Biogas from anaerobic digestion is mostly methane with carbon dioxide.

  • (A) ತಪ್ಪು

    Wrong: a component of LPG.

  • (B) ತಪ್ಪು

    Wrong: a component of LPG.

  • (C) ತಪ್ಪು

    Wrong: minor in natural gas.

  • (D) ಸರಿ

    Correct: biogas is about 50–75% methane.

  • (E) ತಪ್ಪು

    Wrong: only one of the options A–D is correct.