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Question
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.
Solution
In the light: Cells - cone cells, Pigment – iodopsin
RELATED QUESTIONS
The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to ______.
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(i) cornea
(ii) iris
(iii) pupil
(iv) ciliary muscles
(v) eye-lens
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(d) The pupil gets larger or smaller
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Coronary Artery
Choose the correct answer.
Colour is detected by ____________
Choose the correct answer :
The rods and cones of a vertebrate retina function is to _________
Sketch and label V.S. of a human eye.
Name the following:
The focal length of the lens is altered by the contraction of which type of muscles.
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
Choose the Odd One Out:
The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.
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 |
The thin, transparent extension of sclerotic layer found in front of the lens is ______.
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Ciliary body and suspensory ligament
