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प्रश्न
Chris was watching the display of fireworks in the sky.
- Trace the path of the light rays using the following terms:
Fovea, Lens, Conjunctiva, Pupil, Cornea. - Name the nerve that carries the impulse for vision to the brain.
उत्तर
- Conjunctiva, Cornea, Pupil, Lens, Fovea
- Optic nerve
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संबंधित प्रश्न
What is the least distance of distinct vision for a normal human eye?
Name the part of our eyes which helps us to focus near and distant objects in quick succession.
Fill in the following blank with suitable words:
When light is dim, the pupil becomes................
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....................
The eyes of a person are focused (i) on a nearby object, and (ii) on a distant object, turn by turn. In which case:
the focal length of eye-lens will be the maximum?
Describe and explain, how a normal eye can see objects lying at various distances clearly.
Suggest how your irises help to protect the retinas of your eyes from damage by bright light.
Out of animals of prey and predators, which have their eyes:
at the front of their head?
State whether the following statement is true or false:
Rabbit has eyes which look sideways.
Choose the correct answer.
Which one is the photoreceptor _____________
Answer the following question.
Write the structure of eye lens and state the role of ciliary muscles in the human eye.
Draw a labeled diagram of the front view of human eye.
Name the following:
The area where the image is formed but not seen by our eye is termed as.
Choose the Odd One Out:
Write the name.
The fleshy screen behind cornea.
Which one of the following statements is NOT correct?
| 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 |
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.
