<prompt> Which of following is derived from otic placode?MastoidTympanic antrumEar ossiclesCochlea  <response>: Ans. isdi.e., CochleaRef: Langmann 70the p. 92,403Otic placode form otic vesicle which in turn divides into :-Ventral component that gives rise to the saccule and cochlear duct.Dorsal component that forms the utricle, semicircular canals, and endolymphatic duct. 