Question

Pollution from animal excreta and organic waste from the kitchen can be most profitably minimised by

• A. Using them for producing biogas
• B. Storing them in underground storage tanks
• C. Vermiculture
• D. Using them directly as biofertilisers

Answer 1

The correct option is A

Using them for producing biogas

Biodegradable wastes like animal excreta and organic waste from the kitchen can be used in biogas plants to generate biogas and manure. Biogas is a cheap source of fuel and the manure can be used as a cheap fertiliser.