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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