NEET BIOLOGY

Detailed explanation-1: -Methanogens are archaea bacteria that produce methane as a metabolic by-product. Examples of methane-producing genera are Methanobacterium, Methanosarcina, Methanococcus, and Methanospirillum. Methanogenic bacteria are widespread in nature and are found in mud, sewage, and sludge and in the rumen of animals.

Detailed explanation-2: -Methanobacterium formicicum (Methanobacteriaceae family) is an endosymbiotic methanogenic Archaean found in the digestive tracts of ruminants and elsewhere.

Detailed explanation-3: -Methanogenic Archaea are microorganisms that are capable of producing methane gas, a potential fuel source as well as a greenhouse gas that has been implicated in global warming.

Detailed explanation-4: -Methanogens belong to archaebacteria. They are strict anaerobes. They are autotrophs which obtain both energy and carbon from decomposition products. They occur in marshy areas where they convert formic acid and carbon dioxide into methane with the help of hydrogen.