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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.
संबंधित प्रश्न
Write short notes on the following: Cochlea
Which part of our body helps us in maintaining the body balance?
Differentiate between the Rods and Cones of Retina (Type of pigment)
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Where is the Utriculus located? Briefly mention its function.
The range of audible frequency for the human ear is
The part of the ear that turns pressure variations into electrical signals is ______.
X is known as the balancing organ of ear.
Choose the correct option for X.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Eyes: Photoreceptors :: Ears : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with the amplification of vibrations.
