Very small time intervals are accurately measured by the___________
(A) Pabsars
(B) White dwarfs
(C) Atomic Clocks
(D) None of these
Chemically finger nails are made up of ____________
(A) Carbohydrate
(B) Fats
(C) protein
(D) Starch
Which of the following is responsible for largest amount of oxygen on earth
(A) Peat bogs
(B) Algae
(C) Trees
(D) None of these
The average kinetic energy of the molecules of a body determines
(A) heat
(B) temperature
(C) internal energy
(D) none
Which metal is added to steel to make it stainless steel
(A) Chromium
(B) Aluminium
(C) Carbon
(D) Copper
Name the branch of science which deals with the study of sound and sound waves
(A) Aeronautics
(B) Acoustics
(C) Aerostatics
(D) Aetiology
Which of the following is not a waterborne disease
(A) Cholera
(B) Amoebiasis
(C) Typhoid
(D) Influenza