Cooking gas is mixture of which two gases?

A. Hydrogen and oxygen
B. Methane and co2
C. Methane and oxygen
D. None of these

Which blood cells are called ‘Soldiers’ of the body ?

A. Wbc
B. Platelets
C. Rbc
D. All of the above

Mass spectrograph was Invented by?

A. Rutherford
B. Chadwik
C. F.w.aston
D. None of these

Dielectric constant of water is?

A. 60
B. 70
C. 80
D. None of these

Virus was discovered by?

A. Dmitry ivanovsky
B. Robert hook
C. Antony
D. Brown

Retinol is the chemical name of?

A. Vitamin a
B. Vitamin b
C. Vitamin c
D. Vitamin k

Earth revolves around the sun from?

A. East to west
B. West to east
C. South to north
D. North to south

Which element is called earth maker?

A. Oxygen
B. Silicon
C. Carbon
D. Hydrogen

For burning, which agent is necessary?

A. Oxygen
B. Hydrogen
C. Carbon
D. Fire

Who discovered the law of attraction and repulsion in electric charges?

A. Newton
B. Gullelio
C. Coulumb
D. Einstein