(B) The common Indian earthworm is $Pheretima$ $posthuma$.$Pheretima$ is the most widely studied genus of earthworms in India,belonging to the family

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(B) The common Indian earthworm is $Pheretima$ $posthuma$.$Pheretima$ is the most widely studied genus of earthworms in India,belonging to the family $Megascolecidae$.

Class 11 Biology Structural Organisation In Animals Anatomy of Earthworm

Easy

The common earthworm found in India is:

A
$Lumbricus$
B
$Pheretima$
C
$Drawida$
D
$Megascolex$

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Class 11 Questions

Class 11

Biology Questions

Chapter

Structural Organisation In Animals

Subtopic

Anatomy of Earthworm

How many pairs of pores of spermathecae are present in an earthworm (in $pairs$)?

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Draw a labeled diagram of the reproductive system of an earthworm.

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Match the following columns regarding the types of nephridia in earthworms:

Column-$I$ Column-$II$

$P$. Septal nephridia $I$. $15^{th}$ segment to the last segment

$Q$. Integumentary nephridia $II$. $4^{th}, 5^{th}$ and $6^{th}$ segments

$R$. Pharyngeal nephridia $III$. $3^{rd}$ segment to the last segment

Column-$I$	Column-$II$
$P$. Septal nephridia	$I$. $15^{th}$ segment to the last segment
$Q$. Integumentary nephridia	$II$. $4^{th}, 5^{th}$ and $6^{th}$ segments
$R$. Pharyngeal nephridia	$III$. $3^{rd}$ segment to the last segment