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Structural Organisation in Animals question

2006 · Q57
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Structural Organisation in Animals question

2006 · Q57

NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Earthworms are -
  1. A
    Uricotelic when plenty of water is available
  2. B
    Ammonotelic when plenty of water is available.
  3. C
    Ureotelic when plenty of water is available
  4. D
    Uricotelic under conditions of water scarcity
View written solutionFree

Correct answer: B

Earthworm has excretory organ called nephridia. Ammonia is the chief excretory waste when water is available and hence it is ammonotelic in water and terrestrial earthworm is ureotelic.

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