Lachrymal glands secrete
tears
saliva
sweat
acid
Olfactory receptors are
chemoreceptors
photoreceptors
baroreceptors
mechanoreceptors
Optic nerve is connected to which part of the retina?
yellow spot
red spot
fovea
blind spot
Chemoreceptors sense
touch
light
sound
chemicals
One of the most common skin disease in children is
leprosy
ringworm
eczema
scabies
Pacinian corpuscles sense
temperature
pressure
pain
Acoustic organ of the body is
eye
skin
nose
ear
In nasal and buccal cavities, smell and taste chemicals dissolve in
moisture
alcohol
blood
enzymes
We can hear sounds in a frequency range of
16- 40,000 per second
16- 40,000 per hour
16 - 40,000 per minute
16 to 2,000
The nasal cavity is lined with mucus membrane which is supplied with a large number of
blood vessels
nerve cells
muscles
none of these
