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

(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

(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.

(1) Perilymph

(2) Endolymph

(3) Otolymph

(4) Cystolymph

(1) Basilar membrane

(2) Reissner's membrane

(3) Tectorial Membrane

(4) Both B and C

(1) Scala vestibuli, scala tympani

(2) Scala tympani, scala vestibuli

(3) Scala Basali, Scala Resiner

(4) Scala Resiner, Scala Basali

(1) Scala vestibuli

(2) Scala media

(3) Scala tympani

(4) Scala Basali

(1) (1) Scala media

(2) (1) Scala tympani

(3) (2) Scala tympani

(4) (2) Scala vestibuli

(1) Basilar membrane, organ of Corti

(2) Organ of Corti, Basilar membrane

(3) Organ of Corti, Tectorial membrane

(4) Tectorial membrane, Organ of Corti

(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