Question

Observe the table and write the answers to the questions given
below the table.
Organs
Functions
Iris
It control the size of pupil
Pupil
It controls the amount of light entering into
the eye
Ciliary muscles
It helps the eye lens to change its focal length
It helps in the formation of image on it
Retina
Rods
Identify the intensity of light
Cons
Identify the colour
Questions:
i) Name the part of human eye which helps the eye lens to
change its focal length ?
ii) What is the distance between eye lens and retina ?
iii) Write the function of pupil in human eye?
. iv) Which part of the human eye identifies the colour of the object ?
​

Answer 1

Answer:

i) Ciliary muscles

ii) 2.5 cm

iii) It controls the amount of light entering the eye

iv) Cons