Which one of the following structures in Pher | vedclass

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(A) : In a mature earthworm,segments $14^{th}-16^{th}$ are covered by a prominent dark band of glandular tissues called clitellum,which secretes cocoo

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Clitellum $	o$ Secretes cocoon

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(A) : In a mature earthworm,segments $14^{th}-16^{th}$ are covered by a prominent dark band of glandular tissues called clitellum,which secretes cocoon where fertilization and development take place.In the alimentary canal,the muscular gizzard ($8^{th}-9^{th}$ segments) helps in grinding soil particles and decaying leaves.The characteristic feature of the intestine between $26^{th}-35^{th}$ segments is the presence of an internal median fold of the dorsal wall called typhlosole,which increases the effective area of absorption.In each body segment,except the first,last,and clitellum,there are rows of $S$-shaped setae embedded in epidermal pits. Their principal role is in locomotion.

Which one of the following structures in Pheretima is correctly matched with its function?

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