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Question
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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Solution
(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
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RELATED QUESTIONS
State the exact location of the Organ of Corti
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
Choose the correct answer :
Organ of corti is found in ___________
Long answer question
Draw the neat labelled diagram of the human ear.
Mention the name of passage is the outer ear which carries sound waves to the eardrum.
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
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.
Ears: Auditory nerve :: Eyes : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with Static balance.
With reference to human ear answer the question that follow:
Name the part of the ear associated with the amplification of vibrations.
