(D) The $Typhlosole$ is a characteristic internal fold of the dorsal wall of the intestine in $Pheretima$ (earthworm).It extends from the $26th$ segme

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(D) The $Typhlosole$ is a characteristic internal fold of the dorsal wall of the intestine in $Pheretima$ (earthworm).It extends from the $26th$ segment to the $25th$ segment before the anus (rectum).Its primary function is to increase the effective surface area for the absorption of digested food within the intestine.

Class 11 Biology Structural Organisation In Animals Anatomy of Earthworm

Easy

Typhlosole found in $Pheretima$ occurs in

A
Oesophagus
B
Stomach
C
Gizzard
D
Intestine

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Class 11 Questions

Class 11

Biology Questions

Chapter

Structural Organisation In Animals

Subtopic

Anatomy of Earthworm

What is the scientific name of the South Indian earthworm?

Easy

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Earthworms are hermaphrodite animals; therefore,which method of reproduction do they perform?

Easy

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In which segments of the earthworm are the septa absent?

Medium

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Match the following and select the correct option:

Column-$I$ Column-$II$

$P$. Testes $I$. $18^{th}$ segment

$Q$. Accessory glands $II$. $17^{th}$ and $19^{th}$ segments

$R$. Male genital pore $III$. $6^{th}$ to $9^{th}$ segments

$S$. Spermathecae $IV$. $13^{th}$ segment

$T$. Ovaries $V$. $10^{th}$ and $11^{th}$ segments

Column-$I$	Column-$II$
$P$. Testes	$I$. $18^{th}$ segment
$Q$. Accessory glands	$II$. $17^{th}$ and $19^{th}$ segments
$R$. Male genital pore	$III$. $6^{th}$ to $9^{th}$ segments
$S$. Spermathecae	$IV$. $13^{th}$ segment
$T$. Ovaries	$V$. $10^{th}$ and $11^{th}$ segments