Question

Clitellum in earthworm are present in which of the following segments?

• A. 19, 20, 21
• B. 14, 15, 16
• C. Last 3 segments
• D. First 3

Answer 1

The correct option is B 14, 15, 16

Clitellum is the ring-shaped, non- segmented glandular tissue or region in the body of annelids such as earthworm and leeches. It is a light coloured band that is present the earthworm instead of the 14th, 15th and 16th segment in the body of an earthworm. Clitellum plays an important role in the process of copulation by secretion of mucus and cocoon for eggs.

So, the correct answer is option B.