(B) The pharyngeal nephridia in $Pheretima$ are located in the $4^{th}, 5^{th},$ and $6^{th}$ segments.These nephridia open into the anterior part of

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(B) The pharyngeal nephridia in $Pheretima$ are located in the $4^{th}, 5^{th},$ and $6^{th}$ segments.These nephridia open into the anterior part of the alimentary canal,specifically the buccal cavity and the pharynx.Unlike other types of nephridia,pharyngeal nephridia lack a nephrostome.