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
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
Write whether the following is true or false:
The part of the ear associated with balance is the cochlea.
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the audio receptor region present in the part labeled 'A'.
Differentiate between:
Cochlea and Concha.
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
State the functions of the following:
Semi-circular canals
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with dynamic balance.
