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प्रश्न
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Cones : Iodopsim :: Rods : ______.
उत्तर
Cones : Iodopsin :: rods : rhodopsin.
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संबंधित प्रश्न
Draw labelled diagrams of the following: Eye
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
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Fill in the following blank with suitable word:
Having two eyes gives a ................field of view.
What are the advantages of having two eyes instead of just one?
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With reference to the functioning of the eye, answer the question that follow:
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Define the following:
Yellow spot
Give the main function of the following:
Fovea centralis
What is a stereoscopic vision?
Draw a labeled diagram of the front view of human eye.
Name the following:
The most sensitive region of the retina.
Name the following:
Yellow spot and ciliary muscles are found in.
Name the following:
The type of lens used for correcting myopia.
Choose the Odd One Out:
The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.
Which cells of the retina enable us to see coloured objects around us?
Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.
Reason (R): Rods are sensitive to dim light.
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 |
Name the following:
Place of best vision in the retina of the eye.
