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Question

In Earthworm, dorsal wall of intestine from 26th segment to 95th segment forms a median internal fold called

A
Trochophore
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B
Typhlosole
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C
Clitellum
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D
Trachea
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E
Nephridium
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Solution

The correct option is A Typhlosole
In earthworm, the characteristic feature of intestine after 26th segment except the last 23-25th segments is the presence of internal medial fold of dorsal wall called 'Typhlosole'. Typhlosole increases the effective area of absorption in the intestine.
So, the correct answer is 'Typhlosole'.

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