The skin helps in the maintenance of body temperature at a constant level in
birds
birds and mammals
mammals
amphibians
Outer cavity in the inner ear is filled with
perilymph
lymph
exolymph
endolymph
Sclerotic, choroid and retinal layers are concerned with
eyes
ears
mouth
tongue
Ear osicles are concerned with the transmission of
heat waves
cold waves
sound waves
shock waves
Sound travels in the form of
particles
waves
both a and b
none of these
Tunnels made by itchmites are called
cocoons
clitellum
moulting pockets
capsules
Olfactory receptors are
chemoreceptors
photoreceptors
baroreceptors
mechanoreceptors
Simple tubular glands of the skin are
sweat glands
sebaceous glands
mammary glands
none of the above
The information about smell is sent to brain by
auditory nerve
olfactory nerve
sensory nerve
optic nerve
Ear osicles are
malleus
incus
stapes
all the above
