AIPMT PRELIMS2011Zoology-Structural Organisation in Animals

AIPMT PRELIMS 2011 Zoology Earthworm MCQ Question

Type: MCQ-conceptual-Medium-Class 11

One very special feature in the earthworm pheretima is that

A

It has a long dorsal tubular heart

B

Fertilisation of eggs occurs inside the body

C

The typhlosole greatly increases the effective absorption area of the digested food in the intestine

D

The S⁻shaped setae embedded in the integument are the defensive weapons used against the enemies

Correct Answer

Option C

Detailed Explanation

In earthworm, mid dorsal villi typhlosole greatly increases the effective absorption area of the digested food in the intestine.

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