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Question

Contractile vacuoles in protozoa serve the purpose of

A
Water circulation
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B
Digestion
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C
Osmoregulation
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D
None of the above
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Solution

The correct option is C Osmoregulation

The contractile vacuole is actually a regulatory organelle which is present in protozoans and helps in regulating water balance by osmoregulation. It was earlier known as the pulsating vacuole. It helps in excreting excess water from the protozoans body outside in the surrounding environment.

The correct answer is C.


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