Question

Choose the incorrect statement.

Options

• We are encouraged to plant more trees so as to ensure a clean environment and also provide biomass fuel.

• Gobar gas is produced when crops, vegetable wastes, etc., decompose in the absence of oxygen.

• The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash.

• Biomass is a renewable source of energy.

Answer 1

The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash.