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प्रश्न
Label the following diagram :
उत्तर
(a) Veritcal section of human eye :
APPEARS IN
संबंधित प्रश्न
Draw labelled diagrams of the following: Eye
Explain the following:
Mechanism of generation of light-induced impulse in the retina.
Match the following:
| Column I | Column II |
| (i) Myopia | (a) Converging power of eye lens becomes low |
| (ii) Hypermetropia | (b) Converging power of eye lens remains the same |
| (c) Converging power of eye lens becomes high |
The eyes of a person are focused (i) on a nearby object, and (ii) on a distant object, turn by turn. In which case:
the focal length of eye-lens will be the maximum?
Ciliary muscles of human eye can contract or relax. How does it help in the normal functioning of the eye?
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.
Out of animals of prey and predators, which have their eyes:
on the opposite sides of their head?
Fill in the following blank with suitable word:
Having two eyes enables us to judge.................more accurately.
Mention if the following statement is true (T) or false (F) Give reason.
Short-sightedness and hyperopia are one and the same thing
Given below is a set of five parts. Rewrite them in correct sequence.
Conjunctiva, retina, cornea, optic nerve, lens.
Give the main function of the following:
Retina
Draw a labeled diagram of the front view of human eye.
For a healthy human eye, the distant point is infinite distance.
Which of the following statements is correct regarding rods and cones in the human eye?
The coloured portion of the eye is the ______.
Which one of the following statements is NOT correct?
In human eye the part which allows light to enter into the eye is ______.
State the functions of the following:
Iris
Name the following:
Place of no vision in the retina of the eye.
An aperture that controls the passage of light into the eye is ______.
