When a fresh-water protozoan possessing ...

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will

A

Increase in size

B

Decrease in size

C

Increase in number

D

Disappear

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The correct Answer is:

D

In marine water due to exosmosis cell start loosing water decreases in size and finally disappear.

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