alleryThe temporary clitellum of the leech, which produces a cocoon during breeding, is formed on which segments?
ASegments 1 to 5
BSegments 6 to 8
CSegments 9 to 11
DSegments 27 to 33
Answer & Solution
Correct answer: C. Segments 9 to 11
1. The clitellum is a temporary structure of the leech.
2. It is formed on segments 9, 10 and 11.
3. Its job is to produce a cocoon in the breeding season.
4. Segments 1 to 5 form the cephalic region with the eyes, so that is the trap.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 13 Structural Organisation of Animals "Segmentation", p.195_
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