NEET 2011 Biology question

Organisms called methanogens are most abundant in a :

(1)Sulphur rock
(2)Cattle yardCorrect
(3)Polluted stream
(4)Hot spring

Answer: (2)

Solution

Methanogens are archaebacteria (e.g. Methanobacterium) which live anaerobically and produce methane; they are present in the rumen of cattle and in dung, so they are most abundant in a cattle

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Question ID VK-090917