10 Important General Science MCQs for AFCAT, AIR FORCE, NAVY, TET and SSC exams
Que 1: The gas usually filled in the electric bulb is
(A) Nitrogen
(B) Oxygen
(C) Hydrogen
(D) Carbon dioxide
Correct Ans: A
Que 2: Washing soda is the common name for
(A) Sodium carbonate
(B) Calcium bicarbonate
(C) Sodium bicarbonate
(D) Calcium carbonate
Correct Ans: A
Que 3: The yellow colour of human urine is due to a pigment called?
(A) Urochrome
(B) Cytochrome
(C) Haemochrome
(D) Phenalichrome
Correct Ans: A
Que 4: The boiling point of water decreases at highest altitudes due to
(A) Low atmospheric pressure
(B) Low temperature
(C) High temperature
(D) High atmospheric pressure
Correct Ans: A
Que 5: Hydrochloric acid is also known as
(A) Muriatic Acid
(B) Chloric Acid
(C) Picric Acid
(D) Gallic Acid
Correct Ans: A
Que 6: Which of the following shows that the Earth behaves as a magnet ?
(A) Repulsion between like poles
(B) Null points in the magnetic field of a bar magnet
(C) Attraction between unlike poles
(D) No existence of isolated magnetic poles
Correct Ans: B
Que 7: In the Davisson – Germer experiment if the incident beam consists of electrons, then the diffracted beam consists of :
(A) Protons
(B) Electrons
(C) α -particle
(D) Neutrons
Correct Ans: B
Que 8: Which of the following does not depict the correct link between technology and physics ?
(A) Nuclear reactor – nuclear fusion
(B) Electron microscope – wave nature of induction
(C) Electric generator – laws of electromagnetic induction
(D) Optical fibers – total ternal reflection of light
Correct Ans: C
Que 9: What determines the charge that flows through a circuit due to the inducted emf?
(A) The total change in magnetic flux
(B) The final magnetic flux
(C) The initial magnetic flux
(D) The rate of change of magnetic flux
Correct Ans: A
Que 10: Avalanche breakdown is due to :
(A) Collision of minority charge carrier
(B) DL thickness decrease
(C) Deflection layer thickness increase
(D) None of the above
Correct Ans: A
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