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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