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

Which of the following is correct?

The fluid found in the semicircular canals of the internal ear of a rabbit is .....

Analogy type question:
$(1)$ Malleus of middle ear : Attached to tympanic membrane :: Stapes : .......
$(2)$ In the retina of the eye : Blind spot :: Lateral to the blind spot : ......

The cochlea of the mammalian ear is associated with:

Read the following statements regarding the structure of the human ear and select the correct option.
Statement $I$: The tympanic membrane is covered with mucous membrane on the inner side,to the surface of which is attached the $1^{\text{st}}$ ear ossicle,namely the incus.
Statement $II$: Scala vestibuli and scala tympani are filled with perilymph and form a part of the cochlea.