<prompt> True about semicircular canals is: September 2005Submerged in a fluid called endolymphBase of cupula is in close contact with afferent fibres of cochlear division of the eight cranial nerveArranged at right angles to each otherAssociated with hearing  <response>: Ans. C: Arranged at right angles to each other 3 semicircular canals in each vestibular apparatus known as anterior, posterior and lateral horizontal semicircular canals. They are arranged at right angles to each other. They are filled with endolymph Base of cupula is in close contact with afferent fibers of vestibular division of the eight cranial nerve 