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Online General Science Quiz Set No - 5

General Science questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.

41) An element which does not react with oxygen is
A) Chlorine
B) Iodine
C) Helium
D) Nitrogen

42) An instrument that measures and records the relative humidity of air is
A) Hydrometer
B) Hygrometer
C) Lactometer
D) Barometer

43) Angular momentum is equal to
A) moment of inertia x angular velocity
B) mass angular x velocity
C) linear velocity x angular velocity
D) mass linear x velocity

44) Animals adapted to life in air are called
A) arboreal
B) cursorial
C) volant
D) fossorial

45) Argon gas was discovered by:
A) William Ramsay
B) Cavendish
C) John Davy
D) Alfred Werner

46) Atom bomb is made on the basis of:
A) Nuclear fusion
B) Nuclear fission
C) Both nuclear fusion and nuclear fission
D) None of these

47) Atoms are composed of:
A) Electrons only
B) Protons only
C) Electrons & Protons
D) Electrons & Nuclei

48) Atoms having the same number of protons but different number of neutrons are called
A) Isotopes
B) Cations
C) Higgs-boson
D) Anions

49) Atoms of the same element, i. e., having the same atomic number that differ in atomic weight, are called:
A) Isotopes
B) Isomers
C) Isobars
D) Isotherms

50) Balloons are filled with:
A) Helium
B) Oxygen
C) Nitrogen
D) Argon

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