Advertisements
Advertisements
प्रश्न
What job does the pupil of the eye do?
उत्तर
The pupil of the eye controls the amount of light that enters the eye, with the help of the iris, which allows it to expand or contract according to the intensity of light.
APPEARS IN
संबंधित प्रश्न
How does the eye adjust to take account of an increase in brightness?
State whether the following statement is true or false:
The image formed on our retina is upside-down
A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man?
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come closer to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.
Given below is certain structure. Write against them its functional acivity.
retina and ……………………….
Draw a labeled diagram of the front view of human eye.
The image of an object at an infinite distance is obtained in a real and erect form through a convex magnifying glass.
Write an Explanation.
Power of accommodation
The innermost layer of human eye is ______.
Match the terms in column I with those in column II and write down the matching pairs.
| Column I | Column II | ||
| (i) | Conjunctiva | (a) | Viral infection |
| (ii) | Cornea | (b) | Ciliary body |
| (iii) | Choroid | (c) | Spiral-shaped |
| (iv) | Cochlea | (d) | Transparent epithelium |
| (v) | Conjunctivitis | (e) | Suspensory ligament |
| (f) | Contains melanin | ||
| (g) | Transparent but appears black |
Differentiate between members of the following pair with reference to what is asked in the bracket.
Aqueous humour and vitreous humour (location).
