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Question
With reference to human eye answer the question that follow:
Name the part of the eye associated with the regulation of the size of pupil.
Solution
Iris
RELATED QUESTIONS
How does the eye regulate the amount of light that falls on the retina?
What is the name of:
the light-sensitive layer in the eye?
The eyes of a person are focused (i) on a nearby object, and (ii) on a distant object, turn by turn. In which case:
the focal length of eye-lens will be the maximum?
How is the amount of light entering the eye controlled?
There are two types of light-sensitive cells in the human eye:
To what is each type of cell sensitive?
How does the eye adjust itself to deal with light of varying intensity?
The size of the pupil of the eye is adjusted by:
(a) cornea
(b) ciliary muscles
(c) optic nerve
(d) iris
What is a lacrimal gland?
Give the main function of the following:
Retina
Why the human eye is compared with camera?
Which part of the eye gets affected if someone is suffering from cataract? How is it treated?
______ of the eye is comparable to the film of a camera.
The coloured portion of the eye is the ______.
The change in the focal length of an eye lens in human beings is caused by the action of ______.
With reference to human eye, answer the following question.
What is aqueous humor?
Match the following:
| Column - I | Column - II |
| 1. Retina | a. Pathway of light |
| 2. Pupil | b. Far point comes closer |
| 3. Ciliary muscles | c. near point moves away |
| 4. Myopia | d. Screen of the eye |
| 5. Hypermetropia | f. Power of accommodation |
The layer in the eye where sensory cells (rods and cones) are located ______.
An aperture that controls the passage of light into the eye is ______.
Differentiate between members of the following pair with reference to what is asked in the bracket.
Aqueous humour and vitreous humour (location).
