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प्रश्न
- 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.
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उत्तर
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- Cochlea
- Organ of Corti
- Oval window
- Auditory Nerve
- Eustachian Tube
संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
Which part of our body helps us in maintaining the body balance?
Explain the following:
Mechanism through which a sound produces a nerve impulse in the inner ear.
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
Time taken by an object to complete one oscillation is called ___________.
Where is the Cochlea located? Briefly mention its function.
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
State the Location:
Semicircular canals
The Eardrum moves inward when a rarefaction reaches it.
Select the option with incorrect identification:
