<prompt> All of the following are parts of the bony labyrinth except-VestibuleCochleaUtricleSemicurcular canals  <response>: Ans. is c i.e., Utricle o The inner ear within the petrous part of temporal bone consists of a membranous labyrinth enclosed in a bony osseous labyrinth - Inner ear consists of the membranous labyrinth enclosed in the bony labyrinth. So, inner ear has two parts:-1 Bony labyrinth:- Cochlea, Vestibule, Semicircular canals.2 Membranous labyrinth :- Cochlear duct, utricle, Saccules, three semicircular ducts, and endolymphatic duct sac. 