Question

Assertion: Methanogens are obligate anaerobes.

Reason: Halophiles are salt loving bacteria.
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Answer 1

Answer:

Reason: Methanogens are anaerobes as they produce methane anaerobically and are called as methane formers.

Answer 2

Answer:

A and R are true but R is not a correct explanation of A

Explanation:

• Methanogens are obligate anerobic archea which biosynthesis a methane to produce energy .Hence assertion is true.

• Halophiles are named after the greek word meaning salt lover and lives better in a high salt concentrations .Hence  reason is true .but it is not a reason for assertion.