Advertisements
Advertisements
प्रश्न
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
Advertisements
उत्तर
(i)
1. Cochlea.
2. Auditory nerve.
3. Semi-circular canals.
4. Ear ossicles.
5. Auditory meatus.
6. Pinna.
7. Er drum.
8. Fenestra rotunda.
9. Eustachian tube.
10. Fenestra ovalis.
(ii)
(a) Ear drum or tympanum.
(b) An organ of Corti.
(c) Semi-circular canals.
(d) Auditory nerve.
(e) Eustachian tube.
APPEARS IN
संबंधित प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
State the exact location of the Organ of Corti
Differentiate between members of the following pair with reference to what is asked in bracket.
Dynamic balance and static balance (Definition)
Mention, where in living organism is the following located and state their main function:
Organ of corti
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Name the three ear ossicles.
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
Select the option with incorrect identification:
State the functions of the following:
Auditory nerve
