Question

The function of clitellum in Pheretima is:

• A. formation of cocoon
• B. secretion of hormone
• C. nutrition of sperm
• D. respiration

Answer 1

Answer: (A)

The function of clitellum in Pheretima is the formation of cocoon. Clitellum lies in $6\text{th},7\text{th}$ and $8\text{th}$ metameres which are highly glandular and have nephridiophores.