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Following are the statements about prost...

Following are the statements about prostomium of earthworm .
a) It serves as a covering for mouth
b) It helps to open cracks in the soil into which it can crawl
c) it is one of the sensory structures
d) it is the first body segment

A

(A), (B) and (D) are correct

B

(A), (B), (C) and (D) are correct

C

(B) and (C) are correct

D

(A), (B) and (C) are correct

Text Solution

Verified by Experts

The correct Answer is:
D

• Prostomium is the covering for earthworm.s anterior end mouth.
• Prostomium acts as a wedge to force open cracks in the soil.
• Prostomium has receptors, so it is sensory in function.
• Peristomium is the first body segment of earthworm.
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