Which of the following is an anvil-shaped ear ossicle?

Suppose you felt an earthquake. Which of the following sense organs would you think was involved in this feeling?

Select the correct sequence for the mechanism of hearing.
$I -$ Sound waves,$II -$ Oval window,$III -$ Hair cells press against the tectorial membrane,$IV -$ Auditory cortex,$V -$ Auditory nerve,$VI -$ Waves in lymph,$VII -$ Tympanic membrane,$VIII -$ Movement in basilar membrane,$IX -$ Ear ossicles,$X -$ Generation of nerve impulses.

Which of the following is the function of ear ossicles?

$A$ thin elastic membrane is present above the rows of hair cells,which is called ......

Which one of the following is enclosing the tympanum in mammals?