Question

The clitellum of Pheretima is present in segments

• A. 12,13 and 14
• B. 13, 14 and 15
• C. 14, 15 and 16
• D. 15, 16 and 17

Answer 1

Answer: (C)

14, 15 and 16

• The clitellum is a thickened glandular and non-segmented section of the body wall located in 14, 15 and 16 segment of the earthworm that secretes a viscid sac in which the eggs are deposited.
  
• The clitellum is part of the reproductive system of earthworm. It also secretes a viscous fluid to form a cocoon for it's eggs. In earthworms the clitellum can only be seen when the worm is sexually mature.
  

So, the correct option is '14, 15 and 16'.