Home Biology The Living World Previous Year Questions Some hyperthermophilic organisms that grow i…
Biology The Living World Previous Year Questions Single Correct MCQ
Published on: August 13, 2026

Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups:

A
Liverworts and yeasts
B
Eubacteria and archaea
C
Cyanobacteria and diatoms
D
Protists and mosses

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Verified by Experts
The correct answer is:
B

Hyperthermophiles live in very high temperature and acidic conditions (pH ~2). These extreme conditions are tolerated mainly by prokaryotes.

They belong to the groups Eubacteria and Archaea. Other options include organisms that cannot survive such extremes.

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