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प्रश्न
State the main function of the Suspensory ligament of the eye
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उत्तर
Suspensory ligament of the eye – It holds the lens in position.
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संबंधित प्रश्न
Time taken by an object to complete one oscillation is called ___________.
Eye : Optic nerve : : Ear : ___________
The exact location of the Yellow spot
Name the following:
The part which equalises the air pressure in the middle and external ear.
What is the name of passage in outer ear which carries sound waves to the ear-drum ?
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.
The part of the ear that collects the sound from the surroundings is ______.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
