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Excretory Products and their Elimination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYExcretory Products and their Elimination3 Marks
Question
Differentiate between ureotelism and ammonotelism.
✓

Answer

S. No.
Ureotelism
Ammonotelism
i.
It is the elimination of nitrogenous wastes in the form of urea.
It is the elimination of nitrogenous wastes in the form of ammonia.
ii.
Urea requires less volume of water for its elimination compared to ammonia.
Ammonia requires a large volume of water for its elimination.
iii.
Urea is less toxic and can be accumulated in the blood or urine.
Ammonia is highly toxic and needs to be eliminated as rapidly as it is formed.
iv.
Urea is eliminated by Kidneys.
Ammonia is eliminated by gill membranes.

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