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प्रश्न
There are two types of light-sensitive cells in the human eye:
Where are they found?
उत्तर
There are two types of light-sensitive cells in the human eye.
They are found in the retina.
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संबंधित प्रश्न
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?
Which of the following controls the amount of light entering the eye?
(a) ciliary muscles
(b) lens
(c) iris
(d) cornea
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.
What shape are your eye-lenses:
when you look at a distant tree?
Answer the following question.
Trace the sequence of events Whichoccur when a bright light is focused on your eyes.
Differentiate between:
Yellow spot and Blind spot.
Choose the Odd One Out:
A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in the figure as A, B, C and D. In which position mirror will be visible?
 |
 |
 |
 |
| (A) | (B) | (C) | (D) |
Match the following:
| Column - I | Column - II | ||
| 1 | Retina | a | pathway 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 |
With reference to human eye answer the question that follow:
Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.
