In reflex action, the reflex arc is formed by

(a)

brain, spinal cord, muscle

(b)

receptor, muscle, spinal cord

(c)

muscle, receptor, brain

(d)

receptor, spinal cord, muscle

The outer most of the three cranial meninges is

(a)

arachnoid membrane

(b)

piamater

(c)

duramater

(d)

myelin sheath

The neurons which carries impulse from the central nervous system to the muscle fibre.

(a)

afferent neurons

(b)

association neurons

(c)

efferent neurons

(d)

unipolar neurons

Node of Ranvier is found in

(a)

muscles

(b)

axons

(c)

dendrites

(d)

cyton

Nerve cells do not possess

(a)

neurilemma

(b)

sarcolemma

(c)

axon

(d)

dendrites