In the eye of an insect,a mosaic image is formed in .........

Injury to the $Vagus$ nerve ($CN$ $X$) in humans is not likely to affect which of the following?

Select the correct option for the visceral nervous system.

By which nervous system and of what type,the blood is supplied into visceral organs?

Which of the following actions does not occur in humans after sympathetic stimulation?

Distinguish between (Any four):
$(a)$ Afferent neurons and Efferent neurons
$(b)$ Impulse conduction in a myelinated nerve fibre and an unmyelinated nerve fibre
$(c)$ Aqueous humour and vitreous humour
$(d)$ Blind spot and Yellow spot
$(e)$ Cranial nerves and Spinal nerves