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Assertion : Earthworms excrete both ammo...

Assertion : Earthworms excrete both ammonia and urea .
Reason : Excretion in earthworm depends on the environment .

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Earthworm excretes about 40% urea, 20% ammonia and 40% amino acid. The nature of excretory matter depends upon environmental condition. As when sufficient amount of water is available ammonia is excreted and in drier condition urea is excreted.
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