Question

Answer the following YuN
aver for the eye.
1. Name the part of the human eye which acts as a protective laver forth
2. The pupil appears black. Why?
3. Differentiate between:
(a) rod-shaped and cone-shaped cells
(b) near point and far point of human eye
4.
State the difference between:
(a) myopia and hypermetropia
(b) tactual aids and auditory aids
5. Define the terms:
(a) Blind spot on the retina
(b) Persistence of vision of human eye​

Answer 1

Answer:

1. Cornea

2. Pupil is black so as to absorb maximum amount of light.

3. a) rods help us to see in dark and cones helo us to differenciate colours.

b) near point is the distance from which we can see closer objects clearly and far point is infinity, i. e the distance for which we can see if the plane is totally flat