Advertisements
Advertisements
प्रश्न
State the main functions of the following:
Coronary Artery
उत्तर
Caronary artery : If suuplies oxygenated blood to heart muscle. (Oxygenated blood).
APPEARS IN
संबंधित प्रश्न
Explain, why a normal eye is not able to see distinctly the objects placed closer than 25 cm, without putting any strain on the eye.
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
Which lens bends the light rays more strongly?
What kind of lens is present in the human eye?
Where is the image formed in a human eye?
State whether the following statement is true or false:
The image formed on our retina is upside-down
What happens to the eye when you enter a darkened cinema hall from bright sunshine? Give reason for your answer.
Ciliary muscles of human eye can contract or relax. How does it help in the normal functioning of the eye?
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.
How much is our field of view:
with both eyes open?
Give the main function of the following:
Lachrymal glands
Differentiate between:
Retina and Choroid.
Mention, if the following statement is True or False
Rods are responsible for vision in the dark
State the Function:
Choroid coat in the eye
Name the part of the eye which gives colour to the eyes.
The transparent membrane that keeps the eye moist is ______.
Match the following
| 1. | Conjunctiva | a. | Coloured part of eye |
| 2. | Cornea | b. | Photosensitive layer |
| 3. | Iris | c. | Refraction |
| 4. | Retina | d. | Protection |
With reference to human eye, answer the following question.
What is aqueous humor?
Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.
Reason (R): Rods are sensitive to dim light.
Name the following:
Two pigments of the sensory cells.
