Q.

Mark the incorrect statement about prostomium in earthworm.

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a

It is sensory in function.

b

It is a lobe which serves as a covering for the mouth.

c

It acts as a wedge to force open cracks in the soil.

d

It is the buccal segment at the anterior end of the body.

answer is D.

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Detailed Solution

The buccal segment which is present at the anterior end of the body is peristomium. Prostomium is a lobe that covers the mouth located within the peristomium.

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