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प्रश्न
Name the following:
The most sensitive region of the retina.
उत्तर
Fovea centralis or macula
APPEARS IN
संबंधित प्रश्न
Compare the following: Choroid and retina
Name the part of the eye:
which changes the focal length of eye-lens.
Give the scientific names of the following parts of the eye:
a hole in the middle of the iris.
Fill in the following blank with suitable word:
To bring light from a near object to a focus on the retina of the eye, the convex eye-lens need to be made....................
Why does it take some time to see objects in a dim room when you enter the room from bright sunshine outside?
Explain the functions of the following parts of the eye:
(i) cornea
(ii) iris
(iii) pupil
(iv) ciliary muscles
(v) eye-lens
Refraction of light in the eye occurs at:
(a) the lens only
(b) the cornea only
(c) both the cornea and the lens
(d) the pupil
Fill in the following blank with suitable word:
Having two eyes gives a ................field of view.
Mention if the following statement is true (T) or false (F) Give reason.
Blind spot is called so because no image is formed on it.
Name the following:
Short sightedness.
Define the following:
Power of accommodation
Give the main function of the following:
Fovea centralis
Write whether the following is true or false:
Rods are the receptor cells in the retina of the eye sensitive to dimlight.
Name the following:
The innermost layer of the eye
Give Technical Term:
The nutritive layer of the eye which also presents reflection of light.
Write the name.
The part of human eye that transmits electrical signals to the brain.
The larynx has fold of tissue which vibrate with the passage of air to produce sound.
| 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 |
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 |
Name the following:
Three layers of the eye ball.
