(A) Higher on plains than on hills
(B) Higher on hills than on plains
(C) Equally on hills and plains
(D) Higher either on hills or on plains depending upon the ground friction.
Answer : (B) Higher on hills than on plains
2. Who is known as "the father of personal computer"?
(A) Charles Babbage
(B) Alan Turing
(C) Henri Edward Roberts
(D) Edgar Rice Boroughs
Answer : (C) Henri Edward Roberts
3. The density of air is:
(A) 10.3 kg /cubic metre
(B) 100.3 kg /cubic metre
(C) 3.1 kg /cubic metre
(D) 1.3 kg /cubic metre
Answer : (D) 1.3 kg /cubic metre
4. The first computer virus:
(A) Kabir
(B) Firewall
(C) Elk Cloner
(D) Norton
Answer : (C) Elk Cloner
5. Thermopile is used to:
(A) Detect the pressure of heat radiation
(B) Measure electric current
(C) Measure potential difference
(D) None of the above
Answer : (A) Detect the pressure of heat radiation
6. ........ is formulated by Max Plank:
(A) Wave Theory
(B) Corpuscular theory
(C) Electro magnetic theory
(D) Quantum theory
Answer : (D) Quantum theory
7.Who discovered natural radio activity?
(A) Edison
(B) Henri Bequeral
(C) Newton
(D) Max Plank
Answer : (B) Henri Bequeral
8. India launched its first rocket in:
(A) 1960
(B) 1963
(C) 1961
(D) 1962
Answer : (B) 1963
9. Who discovered Analytical engine?
(A) Charles Babbage
(B) Blaise Pascal
(C) Rae Tomlinson
(D) Edison
Answer : (A) Charles Babbage
10. Who discovered the infra red rays in sunlight?
(A) Clyde Tombaugh
(B) Galileo
(C) ECG Sudarshan
(D) William Herschel
Answer : (D) William Herschel
11. In a refrigerator, cooling is produced by:
(A) the sudden expansion of a compressed gas
(B) the ice which deposits on the freezer
(C) the evaporation of a volatile liquid
(D) None of the above
Answer : (A) the sudden expansion of a compressed gas
12. USA launched ‘Chandra’ in memory of:
(A) J.C.Bose
(B) Bankim Chandra Chatterjee
(C) Dr.S.Chandrasekhar
(D) Hem Chandra Das
Answer : (C) Dr.S.Chandrasekhar
13. Which of the following rays has the highest penetrating power?
(A) Beta rays
(B) Alpha rays
(C) X-ray
(D) Gamma rays
Answer : (D) Gamma rays
14. If a conductor is touched by hand, the charge would leak to:
(A) Body of man
(B) Earth
(C) Only to the hand
(D) the charge will not leak
Answer : (B) Earth
15. The force keeping the planets in a regular orbit is:
(A) Electrostatic
(B) Magnetic
(C) Nuclear
(D) Gravitational
Answer : (D) Gravitational
16.Solar energy is received by the earth through:
(A) Conduction
(B) Radiation
(C) Convection
(D) Refraction
Answer : (B) Radiation
17. Element used by India for Pokran explosion:
(A) Plutonium
(B) Thorium
(C) Uranium
(D) Polonium
Answer : (A) Plutonium
18. What is the voltage of electricity produced in
power stations:
(A) 110KV
(B) 230 V
(C) 11KV
(D) 110 V
Answer : (C) 11KV
19. What is known as the king of inventions?
(A) Car
(B) Steam engine
(C) Atom Bomb
(D) Nuclear fission
Answer : (B) Steam engine
20. Amount of water in the atmosphere is known as:
(A) Density
(B) Gravity
(C) Humus
(D) Humidity
Answer : (D) Humidity
21. Unit of resistance:
(A) Mho
(B) Hertz
(C) Dyne
(D) Ohm
Answer : (D) Ohm
22. One Acre =.......Hector
(A) 0.404
(B) 2.50
(C) 0.25
(D) 0.825
Answer : (A) 0.404
23. The theory of ........ was corrected by Heliocentric theory of Copernicus:
(A) Galileo
(B) Kepler
(C) Herschel
(D) Ptolemy
Answer : (D) Ptolemy
24. Father of modern cinema:
(A) Lumier Brothers
(B) Spielberg
(C) David Griffith
(D) Walt Disney
Answer : (C) David Griffith
25. Bardeen and shockley are related to the invention of:
(A) Transistor
(B) Transformer
(C) Tank
(D) Vacuum cleaner
Answer : (A) Transistor
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