What happens to the size of pupil of our eye

(i) in dim light (ii) in bright light ?

How does the convex eye-lens differ from the ordinary convex lens made of glass?

List, in order, the parts of the eye through which light passes to reach the retina.

Name the cells on the retina of an eye which are sensitive to

(i) bright light (ii) dim light (iii) sensation

Draw a simple diagram of the human eye and label clearly the cornea, iris, pupil, ciliary muscles, eye �

lens, retina, optic nerve and blind spot.