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  • Nervous system in Nematoda consists ofOption: 1 Ganglia, nerve ring and four longitudinal nerve fibresO

Nervous system in Nematoda consists of

Option: 1

Ganglia, nerve ring and four longitudinal nerve fibres


Option: 2

Ganglia, nerve ring and six longitudinal nerve fibres


Option: 3

Ganglia and nerve ring


Option: 4

Four longitudinal Nerve fibres


Answers (1)

best_answer

 

 

Nervous System and Sense Organs in Aschelminthes:

  • The nervous system is made up of four nerve cords that run dorsally, ventrally and laterally.
  • These nerve cords fuse near pharynx at the anterior end to form the ‘brain’ 

The following sense organs are present:

  1. Papillae that occur on lips and behind the cloacal aperture. They are tactile in function.
  2. Amphids that are present on the lips and are chemoreceptors.
  3. Phasmids that are present at the posterior end and are glandular sensory in function.
     

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In Aschelminthes, the nervous system is made up of four nerve cords that run dorsally, ventrally and laterally. These nerve cords fuse near pharynx at the anterior end to form the ‘brain’

Posted by

Divya Prakash Singh

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