Question

Assertion : The optic nerves leave the eye at the point called blind spot.

Reason : Only cone are densely packed at the blind spot, hence is the name

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

Correct option (c) A is true but R is false

Explanation :

The nerve fibres from all parts of the retina converge to leave through a point called blindspot. It is the place in the visual field that corresponds to the lack of light detecting photo receptor cells on the optic disc of the retina.