Same chapter3 marksDifficulty: Medium
Name the hormones that regulate kidney function and state what each does.
Excretory Products and their Elimination
3 marksDifficulty: Medium
Distinguish between ammonotelic, ureotelic and uricotelic animals, with one example of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
Ammonotelic animals excrete ammonia and need a great deal of water, as bony fishes do. Ureotelic animals convert ammonia to the less toxic urea, as mammals do. Uricotelic animals excrete uric acid as a paste with very little water loss, as birds and reptiles do.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The mode of excretion follows from the availability of water in the animal's habitat.
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