Microbes in Human Welfare Important Questions for CBSE Class 12 Biology Microbes in Production of Biogas as Biocontrol Agents and Biofertilisers 1. Microbes in Production of Biogas (i) Biogas is a mixture of gases (mainly methane) produced by the microbial activity and may be used as a fuel. (ii) Certain bacteria, which grow anaerobically on cellulosic material, produce … [Read more...]