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प्रश्न
With reference to human eye answer the question that follow:
Name the part of the eye associated with the layer providing nourishment to the eye.
उत्तर
Choroid
संबंधित प्रश्न
Answer briefly:
How do you perceive the colour of an object?
Differentiate between: Rods and cones
Fill in the following blank with suitable word:
The part of eye sensitive to light is...................
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?
An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
Which of the following have a wider field of view?
(a) Animals having two eyes on the opposite sides of their head.
(b) Animals having two eyes at the front of their head.
Name two animals having eyes:
one the sides of the head.
Mention if the following statement is true (T) or false (F) Give reason.
Sometimes medicines dropped into the eyes come into the nose and even throat
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.
With reference to the functioning of the eye, answer the question that follow:
What is the shape of the lens during near vision?
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The part of the eye which can be donated from a clinically dead person is the Retina.
What is a Lachrymal gland?
What is meant by power of accommodation of the eye?
Draw a labeled diagram of the front view of human eye.
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.
In a myopic eye, the image of the object is formed
In human eye the part which allows light to enter into the eye is ______.
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 |
The thin, transparent extension of sclerotic layer found in front of the lens is ______.
The figure given below refers to the vertical section of the eye of a mammal. Study the figure carefully and answer the following questions.
 |
- Label the guidelines shown as 1 to 10.
- Write one important role of parts shown as 3 and 7.
- Write one structural difference between the parts shown as 9 and 10.
- Mention one functional difference between the parts shown as 6 and 8.
