Eustachian tube does not perform

(1) Connects middle ear to pharynx

(2) Connects internal ear to external ear by means of pharynx

(3) Equalises the pressure on either side of pharynx

(4) Both B and C

Subtopic:  Outer & Middle Ear (OLD NCERT) |
From NCERT
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Inner ear is

(1) Air filled inner segment

(2) Made up of two parts: Bony and Membranous

(3) Membranous labyrinth encloses bony labyrinth

(4) Membranous labyrinth is surrounded by endolymph

Subtopic:  Inner Ear: Vestibular Apparatus (OLD NCERT) |
 79%
From NCERT
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Find the incorrect statement.

(1) The bony labyrinth is a series of channels.

(2) The membranous labyrinth is filled with a fluid called endolymph

(3) Bony labyrinth is surrounded by a fluid called perilymph.

(4) The coiled portion of the labyrinth is called cochlea.

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 66%
From NCERT
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The fluid of membranous labyrinth in human ear is

(1) Perilymph

(2) Endolymph

(3) Otolymph

(4) Cystolymph

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 84%
From NCERT
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Which of the following membranes of inner ear are not involved in dividing the perilymph  filled bony labyrinth?

(1) Basilar membrane

(2) Reissner's membrane

(3) Tectorial Membrane

(4) Both B and C

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 79%
From NCERT
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The upper and lower portion of scala media are

(1) Scala vestibuli, scala tympani

(2) Scala tympani, scala vestibuli

(3) Scala Basali, Scala Resiner

(4) Scala Resiner, Scala Basali

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 94%
From NCERT
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Which of the following part of internal ear is filled with endolymph?

(1) Scala vestibuli

(2) Scala media

(3) Scala tympani

(4) Scala Basali

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 90%
From NCERT
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Which of the following will end at oval window(1) and terminate at round window(2) in human ear?

(1) (1) Scala media

(2) (1) Scala tympani

(3) (2) Scala tympani

(4) (2) Scala vestibuli

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 69%
From NCERT
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………. is located on……..in human ear.

(1) Basilar membrane, organ of Corti

(2) Organ of Corti, Basilar membrane

(3) Organ of Corti, Tectorial membrane

(4) Tectorial membrane, Organ of Corti

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 79%
From NCERT
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Hair cell of internal ear

(1) Act as optic receptor

(2) Basal part is in contact of efferent nerve fibres

(3) Stereo cilia are projected from apical part of each hair cell

(4) Arranged in coulmns in internal part of organ of corti

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 79%
From NCERT
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