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How many different types of PNS fibres are there?(a) One(b) Two(c) Three(d) FourThe question was posed to me during an interview.Question is taken from Neural Coordination Basics in section Neural Control and Coordination of Biology – Class 11

Answer»

Correct CHOICE is (B) Two

The EXPLANATION: The nerve fibres of the PNS are of two types:

i. Afferent fibres which TRANSMIT impulses from tissues/organs to CNS

ii. EFFERENT fibres which transmit regulatory impulses from CNS to the concerned tissues/organs.



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