Q4. Assertion: the somatic neural system controls the skeletal muscles. Reason: it relays impulses from the CNS to the skeletal muscles. Are both true, and does the reason explain the assertion?
Both are true, and the reason explains the assertion (NCERT page 231).
Q5. Which fibres of the PNS carry regulatory impulses?
The efferent fibres, from the CNS to the tissues and organs (NCERT page 231).
Q6. Which two parts does the CNS include?
The brain and the spinal cord (NCERT page 231).