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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.
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संबंधित प्रश्न
Which part of our body helps us in maintaining the body balance?
With reference to the human ear, answer the question that follow:
Name the part of the ear associated with
(1) static balance
(2) hearing
(3) dynamic balance.
Mention the exact location of the following :
Incus
What is the function of three tiny bones in the ear ?
Why should we not put a pin or pencil in our ears ?
Choose the correct answer :
Organ of corti is found in ___________
Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.
The range of audible frequency for the human ear is
Choose the odd one out from the following terms and name the category to which the others belong:
Define the following term:
Ear ossicles
