31) Which is the most abundant element in the human body?
(A) Water
(B) Nitrogen
(C) Carbon dioxide
(D) Oxygen
32) Novel H1N1 is often referred to as:
(A) Bord flu
(B) Swine flu
(C) Aids
(D) Cancer
33) Which material has the highest melting point i-e.,3410°C?
(A) Mercury
(B) Tungsten
(C) Silicon
(D) Titanium
34) Light is the fastest thing in the world. At what speed it travels?
(A) 145000 Km per second
(B) 178000 Km per second
(C) 186000 Km per second
(D) 195000 Km per second
35) Which is the oldest known science?
(A) Physiology
(B) Astronomy
(C) Archeology
(D) Anatomy
36) Which is the most abundant mineral in human body?
(A) Potassium
(B) Calcium
(C) Sodium
(D) Magnesium