AIPMT 2011 Biology Solved Paper

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Question : 5 of 100

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One very special feature in the earthworm pheretima is that

Fertilisation for eggs occurs inside the body
The typhlosole greatly increases the effective absorption area of the digested food in the intestine
The S- shaped setae embedded in the integument are the defensive weapons used against the enemies
It has a long dorsal tubular heart

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