Assertion:Choroid layer is thick over the posterior two-third of the eye ball but it becomes thin in the anterior part.
Reason:Choroid layer lacks blood vessels It forms ciliary body in the anterior part of the eye ball.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer

D

Explanation

The middle layer. Choroid contains many blood velssels and looks bluish in colour. The choriod later is thin over the posterior two-third of the eye ball, but it becomes thick in the anterior part to form the cilliary body.