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प्रश्न
Give Technical Term:
The fluid which conveys the vibrations of sound in the cochlea and semicircular canals.
उत्तर
Endolymph
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संबंधित प्रश्न
Write short notes on the following: Retina
Myopia is an example of ______.
Fill in the following blank with suitable word:
The part of eye sensitive to light is...................
Fill in the following blank with suitable word:
The part of eye which alters the size of the pupil 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?
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 converging power of eye-lens will be the maximum?
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?
What is presbyopia? Write two causes of this defect. Name the type of lens which can be used to correct presbyopia.
The animal which does not have eyes that look sideways is:
(a) Horse
(b) Chicken
(c) Lion
(d) Fish
Having two eyes gives a person:
(a) deeper field of view
(b) coloured field of view
(c) rear field of view
(d) wider field of view
Give scientific reason:
One can sense colours only in bright light.
Choose the correct answer.
Colour is detected by ____________
Differentiate between:
Vitreous humour and Aqueous humour.
We cannot distinguish colours in dim light. Explain giving suitable reasons.
Which cells of the retina enable us to see coloured objects around us?
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 |
Where is the following located?
Yellow spot
Name the following:
Two pigments of the sensory cells.
With reference to human eye answer the question that follow:
Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.
