Sense organs-Ear

The cavity of middle ear is connected to the cavities of mouth by a tube called
a) Nasal Cavity
b) Eustachian canal
c) Perilymph
d) Basilar Membrane

Answer:

b


The bones Malleus, Incus and stapes contain in the
a) Externa Ear
b) Middle Ear
c) Inner Ear
d) Tympanum

Answer:

b


Which of the following are the cavities of the Inner Ear?
a) Outer bony Labyrinth
b) Vitreous cavity
c) Inner Membranous Labyrinth
d) a and c

Answer:

d


Outer bony Labyrinth is filled with a fluid called
a) Viterous Humour
b) Endolymph
c) Perilymph
d) Aqueous Humour

Answer:

c


Inner Membranous Labyrinth is filled with a fluid called
a) Perilympyh
b) Endolymph
c) Aqueous Humour
d) Vitreous Humour

Answer:

b


General Science