Advertisements
Advertisements
प्रश्न
Complete the following sentence with appropriate Word
The photoreceptor cells of the retina sensitive to colour are:
पर्याय
Cones
Pupil
Rods
Organ of corti
उत्तर
Cones
APPEARS IN
संबंधित प्रश्न
Define the term.
Power of accommodation of the eye.
Write short notes on the following: Retina
A person got his eyes tested by an optician. The prescription for the spectacle lenses to be made reads :
Left eye : +2.50 D
Right eye : +2.00 D
State whether these lenses are thicker in the middle or at the edges.
What job does the pupil of the eye do?
Fill in the following blank with suitable word:
The part of eye which alters the size of the pupil is............
How does the eye adjust itself to deal with light of varying intensity?
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.
Sometimes medicines dropped into the eyes come into the nose and even throat
With reference to the functioning of the eye, answer the question that follow:
What is the shape of the lens during near vision?
What is the function of iris and the muscles connected to the lens in human eye?
Differentiate between:
Vitreous humour and Aqueous humour.
Name the following:
Fluid present in the posterior chamber of the eye.
State the Function:
Choroid coat in the eye
When light rays enter the eye, most of the refraction occurs at the ____________.
In the figure of the human eye, the cornea is represented by the letter
Select the option with incorrect identification:
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 |
Match the following:
| Column - I | Column - II | ||
| 1 |
Retina |
a | Pathway 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 | f | Power of accommodation |
Given below is a cross section of the human eye. Match the structures marked (a) to (e) with their correct functions:
Example: (f) - 6. Holds the lens in position
| Cross section of Human Eye | Functions | |
 |
1. | Protects retina |
| 2. | Regulates the size of the pupil | |
| 3. | Alters the shape of the lens | |
| 4. | Keeps the lens moist | |
| 5. | Transmits nerve impulses to brain | |
| 6. | Holds the lens in position |
State the functions of the following:
Ciliary muscles
