Science

Which is the gland that keeps the balance of water and salt in human body?
Adrenal gland

Hair and nail in the body in produced by of which organ?
Skin

Which vitamin is produced with the help of sunlight
Vitamin D

How much blood does the body have?
Average 5 litres

Who is known as the father of immunology?
Emil Von Behring

Which disease used to be known as ‘jail fever’ because it was frequent in prisoners?
Typhus

What is Lyssophobia?
Morbid fear of insanity

How many boned are there in human foot?
26

Who discovered ‘oral polio vaccine?
Albert Bruce Sabin

What is ‘bruxism’?
Habitual grinding of teeth in sleep