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Question

Mammalian kidney resembles contractile vacuole of Amoeba in excretion of

A
Glucose
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B
Excess water
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C
Urea
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D
Ammonia
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Solution

The correct option is B Excess water
Contractile vacuoles are responsible for maintaining homeostasis by osmoregulation. It is a membrane enveloped cellular organelle, found in many microorganisms, that periodically
expands, filling with water, and then contracts, expelling its contents to the cell exterior.
It's function is analogous to human kidneys.
Thus, the correct answer is option (B).

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