Question

Q.3. State true or false :
(a) Cranial nerves arise from brain
(b) Impulses travel much more rapidly along
myelinated nerve
(C) ANS is completely independent of CNS.
(d) All nerve fibres arising from the spinal cord
are mixed nerves.
(e) The element needed for transmission of nerve
impulse is sodium
() Salivation at the smell of food is a natural
reflex.
(g) In the spinal cord grey matter is inside,
(h) Reflex actions involve brain.
(i) Myelin sheath helps in the insulation of axon
of neurons.
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Answer 1

Answer:

a) true

b) true

c) false

d) true

e) false

g) false

h) true

i) false

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