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प्रश्न
Draw a simple diagram of the human eye and label clearly the cornea, iris, pupil, ciliary muscles, eye-lens, retina, optic nerve and blind spot.
उत्तर
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The part of eye sensitive to light is...................
What changes take place in the shape of eye-lens:
when the eye is focused on a near object?
If you walk from a dark room into sunlight and back again into dark room, how would your pupils alter in size? What makes this happen?
The human eye possesses the power of accommodation. This is the power to:
(a) alter the diameter of the pupil as the intensity of light changes
(b) distinguish between lights of different colours
(c) focus on objects at different distances
(d) decide which of the two objects is closer.
A student sitting on the last bench in the class cannot read the writing on the blackboard clearly but he can read the book lying on his desk clearly. Which of the following statement is correct about the student?
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come close to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.
Write whether the following is true or false:
Rods are the receptor cells in the retina of the eye sensitive to dimlight.
The black opening between the aqueous humour and the lens is called ____________.
______ of the eye is comparable to the film of a camera.
Name the following:
The circular opening enclosed by iris.
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 |
