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प्रश्न
Complete the following sentence with appropriate Word
The part of the human eye where rod cells and cone cells are located is the:
पर्याय
Retina
Cornea
Choroid
Sciera
उत्तर
Retina
APPEARS IN
संबंधित प्रश्न
List the parts of the human eye that control the amount of light entering into it. Explain how they perform this function.
How does the eye regulate the amount of light that falls on the retina?
Ciliary muscles of human eye can contract or relax. How does it help in the normal functioning of the eye?
Draw a simple diagram of the human eye and label clearly the cornea, iris, pupil, ciliary muscles, eye-lens, retina, optic nerve and blind spot.
How does the eye adjust itself to deal with light of varying intensity?
Explain clearly why, a person who has lost the sight of one eye is at a disadvantage compared with the normal person who has two good eyes.
Among animals, the predators (like lions) have their eyes facing forward at the front of their heads, whereas the animals of prey (like rabbit) usually have eyes at the sides of their head. Why is this so?
In what two ways is the yellow spot different from the blind spot?
Give the main function of the following:
Fovea centralis
Name the following:
The part of the eye responsible for change in the size of the pupil.
State the Function:
Choroid coat in the eye
State the Function:
Conjunctiva
Write the name.
The screen with light sensitive cells in human eye.
For a healthy human eye, the distant point is infinite distance.
Given below is a diagram depicting a defect of the human eye. Answer the questions that follow:
- Give the scientific term for the defect.
- Mention one possible reason for the defect.
- What type of lens can be used to correct the defect?
Boojho while waving his hand very fast in front of his eyes, observes that his fingers appear blurred. What could be the reason for it?
What kind of lens is there in our eyes? Where does it form the image of an object?
With reference to human eye, answer the following question.
What is aqueous humor?
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 |
An aperture that controls the passage of light into the eye is ______.
