In Hydra, egestion of undigested food an...

In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through

A

Mouth and tentacles

B

Mouth and body wall

C

Mouth and mouth

D

Body wall and body wall

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The correct Answer is:

B

In hydra there is a single opening called mouth. The food enters into the body through mouth and egestion occurs through body surface.

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