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AIPMT MAIN2008Zoology-Anatomy of Earthworm

AIPMT MAIN 2008 Zoology Locomotion MCQ Question

Type: MCQ-conceptual-Medium

Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to

A

Setae

B

Coelomic fluid

C

Hydrostatic pressure

D

Circular muscles

Correct Answer

Option B

Detailed Explanation

The coelomic fluid in earthworms acts as a hydrostatic skeleton, providing support and enabling movement.

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