The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals , include [Phase I 2016] (A) methanogens (B) eubacteria (C) halophiles (D) thermoacidophiles
Option A. Methanogens are group of obligate anaerobic ancient and primitive bacteria. They are involved in methanogenesis and produce methane gas in ruminant of cattle.
