Q. These bacteria grow anaerobically on cellulosic material, produce large amount of methane along with and , and are collectively called as methanogens. Examples of such bacteria are

 1444  151 Microbes in Human Welfare Report Error

Solution:

Methanogens are microorganisms that produce methane as a metabolic byproduct in anoxic condition. They include Methanobacterium, Methanobrevibacter and Methanococcus.