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प्रश्न
Fill in the following blank with suitable word:
The iris controls the amount of................entering the eye.
उत्तर
The iris controls the amount of light entering the eye.
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संबंधित प्रश्न
Distinguish between: blind spot and yellow spot
Give the scientific names of the following parts of the eye:
a hole in the middle of the iris.
Fill in the following blank with suitable word:
To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made..........
Ciliary muscles of human eye can contract or relax. How does it help in the normal functioning of the eye?
After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles:
Left eye : + 2.00 D
Right eye : + 2.25 D
The child is suffering from the defect of vision called:
(a) short-sightedness
(b) long-sightedness
(c) cataract
(d) presbyopia
How much is our field of view:
with one eye open?
Select the odd one in the following series:
Retina, Sclera, Ciliary body, Nephron.
______ is the structural and functional unit of living organisms.
Match the following:
| Column - I | Column - II | ||
| 1 | Retina | a | Path way 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 | Hypermetropoia | e | Power of accomodation |
Name the following:
The circular opening enclosed by iris.
