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प्रश्न
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
उत्तर
The size of the eyes of nocturnal bird is large. Eyes of the nocturnal birds having large cornea with a wider pupil, can collect more ambient light which help them to see the objects even at night.
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संबंधित प्रश्न
Distinguish between: blind spot and yellow spot
Name the part of our eyes which helps us to focus near and distant objects in quick succession.
With reference to the functioning of the eye, answer the question that follow:
Name the cells of the retina and its respective pigments which get activated in the light.
Choose the correct answer.
Colour is detected by ____________
Name the following:
The region in the eye where the rods and cones are located.
State the Function:
Aqueous humour
Write an Explanation.
Power of accommodation
______ is tough and thick white sheath that protects the inner parts of the eye.
The transparent membrane that keeps the eye moist is ______.
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 |
