Class X (Important question of Human Eye)

Important question of Human Eye

1. What is the function of Cilliary Muscle? 
2.Define the Power of accommodation. 
3. Which nerve cell responsible for transformation of electric signals from eye to brain? 
4.Name transparent part of Human eye. 
5.With both eyes open, a person's field of view is about:
   a) 90'        b) 180'         c) 360'        d) 270'
6. What happens to the image distance in the eye when we increase the distance of an object from the eye?
7.What happen to the pupil of the eye when the light is very bright?
8.Where does the image of object form in human eye?
9.Name the part of human eye that determine the colour of a person's eye.
10 Name the part of human eye the controls the amount of light entering the eye.