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STD 11 - 16. Excretory product and their elimination — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 16. Excretory product and their elimination4 Marks
MCQ
The main nitrogenous waste of Hydra is
  • ✓
    Ammonia only
  • B
    Urea only
  • C
    Uric acid only
  • D
    Both $(a)$ and $(c)$
✓

Answer

Correct option: A.
Ammonia only
a
(a) 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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