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प्रश्न
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
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उत्तर
(i) A - Semi-circular canal
B - Utriculus
C - Sacculus
D - Cochlea
(ii) Auditory nerve.
(iii) 1. Utriculus and sacculus
2. Semi-circular canal
3. Cochlea
(iv) Sensory cells of organ of Corti
(v) Perilymph
APPEARS IN
संबंधित प्रश्न
Write short notes on the following: Cochlea
Which part of our body helps us in maintaining the body balance?
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
Name the three ossicles of the middle ear.
______ is the smallest bone in the human body.
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
 |
- Give the collective biological term for Malleus, locus and Stapes.
- Name the parts labelled A, B and C in the diagram.
- State the functions of the parts labelled 'A' and 'B'.
- Name the audio receptor region present in the part labelled 'A'.
