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प्रश्न
Name the cells on the retina of an eye which are sensitive to (i) bright light (ii) dim light (iii) sensation of colour.
उत्तर
The cells on the retina of the eye that are sensitive to
(i) bright light: cones (cone-shaped cells)
(ii) dim light: rods (rod-shaped cells)
(iii) colour: cones
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संबंधित प्रश्न
Write the function of the following part of the human eye:- iris
What is the name of:
the curved, transparent front surface of the eye?
What changes the shape of lens in the eye?
Describe the working of the human eye with the help of the above diagram.
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
Mention, where in living organism is the following located and state their main function:
Fovea centralis
Choose the correct answer.
In the chemistry of vision, the photosensitive substance is _________________
Draw a labeled diagram of the front view of human 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 accommodation |
