10 Important General Science MCQs for most of the competitive exams
Que 1: The short upper part of the human intestine next to the stomach is called
(A) Caecum
(B) Duodenum
(C) Ileum
(D) Jejunum
Correct Ans: B
Que 2: Nuclear Fission is caused by the impact of
(A) Proton
(B) Electron
(C) Neutron
(D) None of these
Correct Ans: C
Que 3: Which of the following is used as a coolant in nuclear reactors?
(A) Heavy water
(B) Cadmium
(C) Liquid sodium
(D) Graphite
Correct Ans: C
Que 4: Which of the following has the least penetrating power?
(A) Alpha particles
(B) Beta particles
(C) Gamma particles
(D) All have the same penetrating power
Correct Ans: A
Que 5: Optic fibre are mainly used for which of the following?
(A) Communication
(B) Weaving
(C) Musical instruments
(D) Food Industry
Correct Ans: A
Que 6: Which of the following are most penetrating rays?
(A) Alpha rays
(B) Beta rays
(C) Gamma rays
(D) X rays
Correct Ans: C
Que 7: Old written material which cannot be read easily can be read by
(A) Cosmic rays
(B) Ultraviolet rays
(C) Infrared rays
(D) none of these
Correct Ans: C
Que 8: Cryogenic engines find application in
(A) Rocket technology
(B) Frost-free refrigerators
(C) Sub-marine propulsion
(D) Researches in supercon-ductivity
Correct Ans: A
Que 9: The best colour(s) for a sun umbrella will be
(A) Black
(B) Black on top and white on the inside
(C) White on top and black on the side
(D) Printed with all the seven colours of rainbow
Correct Ans: C
Que 10: Which of the following laws is explained by the statement that matter can neither be created or destroyed ?
(A) Law for conservation of energy
(B) Le Chatelier's principle
(C) Law of conservation of mass
(D) Law of osmosis
Correct Ans: C
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