17.The primitive prokaryotes responsible for the production of biogas form the dung of ruminant animals include the: A. Halophiles B. Thermoacidophiles C. Methanogens D. Eubacteria
Option C. Methanogens are present in the gut of several ruminant animals such as cows and buffaloes and they are responsible for the production of methane (biogas) from the dung of these animals.
