BPSC – Combined Competitive Examination · ప్రశ్న 101
Which is the main component of biogas?
సమాధానం చూపించు & వివరణ
సమాధానం: (D) Methane
వివరణ
Biogas from anaerobic digestion is mostly methane with carbon dioxide.
- (A) తప్పు
Wrong: a component of LPG.
- (B) తప్పు
Wrong: a component of LPG.
- (C) తప్పు
Wrong: minor in natural gas.
- (D) సరైనది
Correct: biogas is about 50–75% methane.
- (E) తప్పు
Wrong: only one of the options A–D is correct.