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प्रश्न
Long answer question
Draw the neat labelled diagram of the human ear.
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उत्तर
Structure of the human ear
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संबंधित प्रश्न
Deafness is causal due to the rupturing of the Pinna.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Deafness is caused due to rupturing of the pinna.
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
Differentiate between:
Cochlea and Concha.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
The part of the ear that turns pressure variations into electrical signals is ______.
List the causes of noise pollution.
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.
