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Assertion Epitoky is seen in Nereis .
Reason Individual showing epitoky is called Heteronereis .

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

If both Assertion and Reason are true , but Reason is not the correct explanation of Assertion

C

If Assertion is true , but Reason is false

D

If Assertion is false , but Reason is true

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The correct Answer is:B

In Nereis , most of the posterior segments are filled with gametes , constituting the sexual region of worm or epitoke . Few anterior segments do not take part in gamete formation , these are the asexual region or atoke . Sexually mature worm , with these two regions is known as Heteronereis and teh phenomenon involving transformation of non-sexual individual into sexual individual is referred to as epitoky.

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Updated on:21/07/2023
Class 12BIOLOGYANIMALIA-II (HIGHER INVERTEBRATES)

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