Q. No.Which part of the human ear plays no role in hearing as such but is otherwise very much
required?
1. Eustachian tube
2. Organ of Corti
3. Vestibular apparatus
4. Ear ossicles
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
Vestibular apparatus
(1) Composed of three semicircular canals and Otolith
(2) Complex system present in internal ear
(3) It is located above the cochlea
(4) All of these
Which of the following is the sensory part of saccule and utricle?
(1) Macula
(2) Vesibula
(3) Tympana
(4) Ampula
Semi circular canal of internal ear:
(1) Three in number
(2) Lie in different planes
(3) Perpendicular to each other
(4) All of these
Membranous canals suspended in the perilymph of the bony canals. Which of these canals we are talking about?
(1) Semicircular canals
(2) Tectorial canals
(3) Basilar canals
(4) Reissner's canals
The base of canal is swollen and is called ampulla which contains a ……….. called ……..ampullaris which has …..
(1) Projecting ridge, Crista, Hair cells
(2) Projecting Furrows, macula, nerves
(3) Projecting fissures, Crista, hair cell
(4) Convolution, Crista, nerves
The maintenance of balance of the body and the posture by vestibular apparatus is performed by
(1) Crista
(2) Macula
(3) Both A and B
(4) Organ of Corti
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
I. Otoconia 1. Nasal epithelium
II. Bowman’s gland 2. Utricle
III. Cupula 3. Scala media
IV. Endolymph 4. Semi-circular canals
Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3
In the given diagram of cochlea, the tectorial membrane is represented by the letter:
1. A
2. B
3. C
4. D
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