Dorsal root of a spinal nerve contains

Motor nerve fibres

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Sensory nerve fibres

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Mixed nerve fibres

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No nerve fibres

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Solution

The correct option is B Sensory nerve fibres
The spinal cord can be divided into the dorsal root and the ventral root of the spinal nerves. The dorsal root is made up of sensory nerve fibres whose cell bodies are situated in the dorsal root ganglion. The ventral root is made up of the motor neurons. Both the sensory and motor neurons enter and leave the spinal cord respectively via the intervertebral foramen.
Hence, the correct answer is 'Sensory nerve fibres'

Suggest Corrections

	Column A		Column B
(a)	cerebellum	(i)	pituitary
(b)	saltatory conduction	(ii)	node of Ranvier
(c)	parasympathetic nerve fibres	(iii)	muscle fibre
(d)	hypothalamus	(iv)	posture and equilibrium
(e)	motor end plate	(v)	ranio sacral outflow
(f)	colour vision	(vi)	membrane potential
(g)	dorsal root ganglion	(vii)	spinal nerve
(h)	sodium pump	(viii)	cerebral cortex
(i)	sympathetic nerve fibres	(ix)	thoracico lumbar outflow
(j)	somaesthetic area	(x)	cones