Advertisements
Advertisements
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.
Advertisements
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
Explain how the human ear works.
Write short notes on the following: Cochlea
find odd one from following: Malleus, iris, Stapes, Incus.
State the exact location of the Ciliary body
Name the following:
The part which equalises the air pressure in the middle and external ear.
Where is the Semicircular canals located? Briefly mention its function.
The figure below is the sectional view of a part of the skull showing s sense organ:
Name the sense organ.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the parts labeled A, B and C in the diagram.
Vibrating particles travel all the way from the vibrating objects to the ear.
With reference to human ear answer the question that follow:
Name the part of the ear associated with dynamic balance.
