General Science Mcqs for PPSC, FPSC, NTS

A mixture of sand and naphthalene can be separated by ________ ?

A. Chromatography
B. Fractional distillation
C. Sublimation
D. None of these

The M.K.S. system was first introduced by _________ ?

A. Giorgi
B. Archimedes
C. Einstein
D. Newton

What is the chemical formula for Sulfuric acid?

A. C2H6O
B. CaSO4
C. C2H4O2
D. H2SO4

Which of the following is a diverse group of hydrophobic molecules?

A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids

What is the Molecular Formula for Glucose _______ ?

A. C4H10O6
B. C5H11O6
C. C6H12O6
D. S6H12O6

What is the third most common gas found in the air we breathe ________ ?

A. Hydrogen
B. Neon
C. Carbon Dioxide
D. Argon

What is the molecular formula for Ammonia?

B. NH2
C. NH3
D. NH4

What is the molecular weight of Ammonia (NH3) ________ ?

A. 17.031 g/mol
B. 18.031 g/mol
C. 19.031 g/mol
D. 27.033 g/mol

The absolute value of charge on electrons was determined by ________ ?

A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert Millikan

The discovery of neutrons became very late because _______ ?

A. It does not carry any charge
B. It does not move
C. It is a fundamental particle
D. It is present in nucleus

The scientific study of fingerprints is called _________ ?

A. Dactylography
B. Dactylology
C. Dactyliology
D. Dialectology

The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ________ ?

A. Dermatology
B. Dormatology
C. Deontology
D. Dermatoglyphics


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