1.

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 AssertionB. If both Assertion and Reason are true , but Reason is not the correct explanation of AssertionC. If Assertion is true , but Reason is falseD. If Assertion is false , but Reason is true

Answer» Correct Answer - 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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