The main nitrogenous waste of Hydra is

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The main nitrogenous waste of Hydra is

Options

(a) Ammonia only
(b) Urea only
(c) Uric acid only
(d) Both (a)Ammonia only and (c)Uric acid only

Correct Answer:

Ammonia only

Explanation:

The main nitrogenous waste of Hydra is ammonia. Hydra has no organ of excretion, therefore, excretion of waste nitrogenous matter occurs directly by diffusion through all membrane.

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Topics: Human Body Fluids and Excretory Products (197)
Subject: Biology (4253)

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