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प्रश्न
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
विकल्प
True
False
उत्तर
False
The auditory nerve responsible for sound as well as for the body balance.
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संबंधित प्रश्न
Write short notes on the following Ear ossicles
Deafness is causal due to the rupturing of the Pinna.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
Briefly explain the following terms: Power of accommodation
The three parts of human ear contributing in hearing are-
Name the following:
The part which equalises the air pressure in the middle and external ear.
Mention, where in living organism is the following located and state their main function:
Organ of corti
Where is the oval window located? Briefly mention its function.
Where is the Utriculus located? Briefly mention its function.
Draw a labelled diagram of the inner ear.
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.
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.
Select the CORRECT match of part of the human ear and its function.
The part of the ear that collects the sound from the surroundings is ______.
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
List the causes of noise pollution.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
The median canal of cochlea is filled with ______.
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'.
Name the part of the inner ear that is responsible for static balance in human beings.
