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Ventral nerve cord of earthworm 

Option: 1

Arises from anterior part of pharyngeal ganglia


Option: 2

Runs posteriorly up to last segment 


Option: 3

Nerve cord are two in number and they are free.


Option: 4

Arises from 8th segment.


Answers (1)

best_answer

As we learned 

 

Ventral Nerve Cord -

Arises from the posterior part of sub-pharyngeal ganglia (from 5th segment) and runs posteriorly up to last segment 

- wherein

Nerve cord two in number, but they are fused together so called double.

 

 

 

Posted by

HARSH KANKARIA

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