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प्रश्न
Give Technical Term:
The nutritive layer of the eye which also presents reflection of light.
उत्तर
Choroid
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संबंधित प्रश्न
Night birds have ______ cones than rods in their eyes.
Match the following:
| Column I | Column II |
| (i) Myopia | (a) Converging power of eye lens becomes low |
| (ii) Hypermetropia | (b) Converging power of eye lens remains the same |
| (c) Converging power of eye lens becomes high |
Name the part of the eye:
which controls the amount of light entering the eye.
Give the scientific names of the following parts of the eye:
muscles which change the shape of the eye-lens.
Fill in the following blank with suitable word:
Most of the refraction of light rays entering the eye occurs at the outer surface of the.............
Fill in the following blank with suitable word:
To bring light from a near object to a focus on the retina of the eye, the convex eye-lens need to be made....................
The term " accommodation" as applied to the eye, refers to its ability to:
(a) control the light intensity falling on the retina
(b) erect the inverted image formed on the retina
(c) vary the focal length of the lens
(d) vary the distance between the lens and retina
Which of the following controls the amount of light entering the eye?
(a) ciliary muscles
(b) lens
(c) iris
(d) cornea
Which part brings the image into sharp focus on the retina? How does it do this?
The animal which does not have eyes that look sideways is:
(a) Horse
(b) Chicken
(c) Lion
(d) Fish
With both eyes open, a person's field of view is about:
(a) 90°
(b) 150°
(c) 180°
(d) 360°
Given below is a set of five parts. Rewrite them in correct sequence.
Conjunctiva, retina, cornea, optic nerve, lens.
Choose the correct answer.
Which one is the photoreceptor _____________
Draw a labeled diagram of the front view of human eye.
Choose the Odd One Out:
Write the name.
The screen with light sensitive cells in human eye.
Explain the structure and functioning of Human eye. How are we able to see nearby as well as distant objects?
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
Describe the parts in the external structure of the eye.
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 | Hypermetropia | e | Power of accomadation |
