Question

Barophilic prokaryotes

A

Grow slowly in highly alkaline frozen lakes at high altitudes

B

Occur in water containing high concentration of barium hydroxide

C

Grow and multiply in very deep marine sediments

D

Readily grow and divide in sea water enriched in any soluble salt of barium

Medium

Solution

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Correct option is C)

Barophiles grow preferentially or exclusively at moderate or high hydrostatic pressures in deep marine sediments, such as those at the Challenger Deep in the Marianas Trench, which has a depth of 10,994 m. They are adapted to grow at a pressure greater than or near 40 Mpa.
So, the correct answer is option C.

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