Which is the main constitution of Biogas?

A. Methane

B. CO₂

C. H₂S

D. CO

Answer: Option A

Solution(By Examveda Team)

Biogas is a mixture of gases, like methane, carbon dioxide, hydrogen sulphide siloxanes, etc. but the main constituent of Biogas is Methane.
It is produced from raw materials such as agricultural wastes, manure, municipal waste, plant material, sewage, green waste and food waste. It is a renewable source of energy.