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प्रश्न
Name the following:
Place of best vision in the retina of the eye.
उत्तर
Yellow spot
संबंधित प्रश्न
Write the function of the following part of the human eye:- iris
The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the
(a) fovea
(b) iris
(c) blind spot
(d) optic chaisma
Name two parts of the eye which refract light rays (or bend light rays).
What changes the shape of lens in the eye?
What is the:
far point of a normal human eye?
Give the scientific names of the following parts of the eye:
carries signals from an eye to the brain.
Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
(a) the pupil becomes larger
(b) the lens becomes thicker
(c) the ciliary muscle relaxes
(d) the pupil becomes smaller
After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles:
Left eye : + 2.00 D
Right eye : + 2.25 D
The child is suffering from the defect of vision called:
(a) short-sightedness
(b) long-sightedness
(c) cataract
(d) presbyopia
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.
Out of animals of prey and predators, which have their eyes:
at the front of their head?
Mention if the following statement is true (T) or false (F) Give reason.
yellow spot of the retina is the region of colour vision
Given below is a set of five parts. Rewrite them in correct sequence.
Conjunctiva, retina, cornea, optic nerve, lens.
Sometimes you remember a vivid picture of a dream you saw. What is the role of your eyes in this experience?
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.
Choose the correct answer.
In the chemistry of vision, the photosensitive substance is _________________
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
State the Function:
Ear drum
Choose the Odd One Out:
The transparent membrane that keeps the eye moist is ______.
| 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 accomodation |
