Home Biology Biological Classification Skill Builder Identify true statements about archaebacteri…
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 12, 2026

Identify true statements about archaebacteria.

A
They can live in harsh habitats.
& ,
B
Cell walls do not contain peptidoglycan.
only & &
C
Cell membrane contains branched chain lipids.
only only
D
Some of them are capable of producing biogas . All of these

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The correct answer is:
D

Archaebacteria live in harsh habitats such as extreme salty areas, hot springs & marshy areas. Archaean cell wall may have pseudopeptidoglycan, polysaccharides, glycoproteins or true proteins. The cell membrane contains branched chain lipids. Some of them are capable of producing biogas (methanogens).

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