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प्रश्न
Name the following:
The circular opening enclosed by iris.
उत्तर
Pupil
संबंधित प्रश्न
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which is the weaker eye?
Name the part of the eye:
on which the image is formed.
Name the part of the eye:
which changes the focal length of eye-lens.
Fill in the following blank with suitable words:
When light is dim, the pupil becomes................
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?
Which parts of the eye cause rays of light to converge on the retina?
With both eyes open, a person's field of view is about:
(a) 90°
(b) 150°
(c) 180°
(d) 360°
State the main functions of the following:
Seminal Vesicles
Select the odd one in the following series:
Retina, Sclera, Ciliary body, Nephron.
Choose the correct answer.
Rods are receptor of ______________
Mention, if the following statement is True or False
Cones are the receptor cells in the retina of the eye sensitive to dim light.
A small hole of changing diameter at the centre of Iris is called _______.
Vision defect that increases distance between the lens of the eye and retina of the eye is termed as myopia.
The black opening between the aqueous humour and the lens is called ____________.
Explain the structure and functioning of Human eye. How are we able to see nearby as well as distant objects?
The coloured portion of the eye is the ______.
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 accommodation |
Name the following:
Kind of retinal cells sensitive to dim light.
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 accommodation |
