Question

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by _________________.

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

Answer 1

Answer: (B)

Using them for producing biogas

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by using them to produce biogas for domestic use.

So, The correct answer is (B).