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प्रश्न
Given below is the diagram of the human ear. Study the diagram and then answer the questions that follow:
(i) What role does the eardrum play in hearing?
(ii) What common term is given to the parts labeled A, B, and E?
(iii) Would there be any difference if these three parts mentioned in (ii) above were replaced by one by one? Why?
(iv) Give the biological term for the parts labeled C and D.
(v) Name the fluid which fills the parts mentioned in (iv) above.
(vi) State the functions of the ear.
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उत्तर
(i) The eardrum is vibrated by sound waves and passes them to the internal ear.
(ii) Ear ossicles.
(iii) One big ossicle would not be able to produce effective amplification because it would require a greater force of vibration that supplied by the eardrum normally. Moreover, three smaller ossicles with proper distance between their produce multiple amplification and effective transmission.
(iv) C is semi-circular canals and D is the cochlea.
(v) Endolymph.
(vi) Hearing and balancing of the body.
APPEARS IN
संबंधित प्रश्न
State the exact location of the Organ of Corti
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Name the following:
The tube which connects the cavity of the middle ear with the throat.
Name the tube which connects the middle ear to throat.
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
State the Location:
Semicircular canals
Choose the Odd One Out:
Long answer question
Draw the neat labelled diagram of the human ear.
X is known as the balancing organ of ear.
Choose the correct option for X.
The median canal of cochlea is filled with ______.
