Biological Classification Question 26
26. Organisms called methanogens are most abundant in a :
(a) sulphur rock
(b) cattle yard
(c) polluted stream
(d) hot spring
Show Answer
Answer : b
Hints & Solutions
(b) Methanogens are archaebacteria, abundant in cattle yard and paddy fields. Methanogens produce methane as a metabolic byproduct in hypoxic conditions. They are prokaryotic and belong to the domain of archaea.