A) formation of cocoon
B) secretion of hormone
C) nutrition of sperm
D) respiration
Correct Answer: A
Solution :
The function of clitellum in Pheretima is the formation of cocoon. Clitellum lies in 6th, 7th and 8th metameres which are highly glandular and have nephridiophores.You need to login to perform this action.
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