1.

Which of the following is incorrect fot Pheretima ? A. Genitial papillae are present on `17^(th)` and `19^(th)` segmentB. Male gentual pores are present on `18^(th)` segmentC. Clitellum is present on segments 24, 25 and 26D. Segments of earthworm are called somites.

Answer» Correct Answer - C
Clitellum or cingulum is a prominent circular band of glandular skin found from the `14^(th)` to `16^(th)` segments. It secretes mucus and albumen which helps in the formation of cocoon, and is used of fertilisation of the eggs.


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