Which of the following are the types of septa | vedclass

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(B) In earthworms ($Pheretima$ $posthuma$),nephridia are classified based on their location into three types: $1$. Septal nephridia: Present on both s

Vedclass · Accepted Answer

Septal and Integumentary

Vedclass · Answer

(B) In earthworms ($Pheretima$ $posthuma$),nephridia are classified based on their location into three types: $1$. Septal nephridia: Present on both sides of the intersegmental septa of segment $15$ to the last that open into the intestine. $2$. Integumentary nephridia: Attached to the lining of the body wall of segment $3$ to the last that open on the body surface. $3$. Pharyngeal nephridia: Present as three paired tufts in the $4th, 5th,$ and $6th$ segments. Therefore,the question asks for the types of nephridia,and among the options,the combination of Septal and Integumentary nephridia represents the classification based on location.

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

Which of the following are the types of septal nephridia found in earthworms?

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