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111. The unit of efficiency is
(A) Volt
(B) Watt
(C) Joules
(D) None of these

112. Which from the following is NOT a stored energy?
(A) Thermal
(B) Gravitational
(C) Elastic potential energy
(D) Chemical

113. Energy can be converted from one form to another, but all energy ends up as
(A) Kinetic energy
(B) Potential energy
(C) Heat energy
(D) Chemical energy

114. A battery converts ________ into electrical energy.
(A) Potential energy
(B) Chemical energy
(C) Nuclear energy
(D) Mechanical energy

115. Which from the following is NOT a renewable energy resource?
(A) Geothermal
(B) Biomass
(C) Solar
(D) Nuclear

116. Which from the following is NOT a non-renewable energy resource?
(A) Coal
(B) Natural gas
(C) Nuclear
(D) Geothermal

117. Current is the flow of
(A) Electrons
(B) Protons
(C) Neutrons
(D) Voltage

118. The unit of current is
(A) Volt
(B) Ampere
(C) Ohm
(D) Watt

119. To prevent electric shocks, a/an ________ is placed in the circuit.
(A) Ammeter
(B) Voltmeter
(C) Fuse
(D) Diode

120. Electrons were discovered by
(A) James Chadwick
(B) J.J. Thomson
(C) F.W. Aston
(D) Rutherford

ANSWERS: GENERAL SCIENCE MCQS
111. D
112. A
113. C
114. B
115. D
116. D
117. A
118. B
119. C
120. B

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101. One way of transfer of heat energy is ‘convection’ which occurs in
(A) Liquids only
(B) Gasses only
(C) Liquids and gasses
(D) Liquids, gasses and solids

102. Which from the following is incompressible
(A) Solids
(B) Liquids
(C) Gasses
(D) All are compressible

103. The key factor in determining the weather is the quantity of ________ in the atmosphere.
(A) Water vapour
(B) Oxygen
(C) Carbondioxide
(D) Hydrogen

104. The entropy of the universe is
(A) Increasing
(B) Decreasing
(C) Constant
(D) None of these

105. Which from the following methods of heat transfer can take place in a vaccum?
(A) Canduction
(B) Convection
(C) Radiation
(D) All of the above

106. Neutrons were discovered by
(A) Einstein
(B) James Chadwick
(C) F.W. Aston
(D) Rutherford

107. Mass Spectrograph was invented by
(A) Einstein
(B) James Chadwick
(C) F.W. Aston
(D) Rutherford

108. Nucleus was discovered by
(A) Einstein
(B) James Chadwick
(C) F.W. Aston
(D) Rutherford

109. Which is the process of science?
(A) Observation > Experiments > Hypothesis
(B) Hypothesis > Observations > Experiments
(C) Observation > Hypothesis > Experiments
(D) Experiments > Observations > Hypothesis

110. Salty water can be made pure by the method of
(A) filtration
(B) evaporation
(C) chromatography
(D) distillation

ANSWERS: GENERAL SCIENCE QUIZZES
101. C
102. B
103. A
104. A
105. C
106. B
107. C
108. D
109. C
110. D

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91. There are __________ methods of heat transfer.
(A) 3
(B) 4
(C) 5
(D) 6

92. Which from the following is NOT a method of heat transfer?
(A) Conduction
(B) Convection
(C) Radiation
(D) All are methods of heat transfer

93. If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is
(A) Conduction
(B) Convection
(C) Radiation
(D) None of these

94. A person seated in front of a fire receives heat by
(A) Conduction
(B) Convection
(C) Radiation
(D) None of these

95. The unit used to measure ‘magnetic flux’ is
(A) pascal
(B) farad
(C) weber
(D) henry

96. Battery was invented by
(A) Volta
(B) Hero
(C) Fermi
(D) Maiman

97. The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is
(A) Hydrogen
(B) Nitrogen
(C) Brass
(D) Silicon

98. The nearest planet to the Sun is
(A) Mercury
(B) Venus
(C) Mars
(D) Jupiter

99. Bronze is an alloy of
(A) Iron, Carbon
(B) Copper, Tin
(C) Nickel, Zinc
(D) Mercury, Lead

100. Molecules with identical molecular formulae but with different structural formulae are called
(A) Isotopes
(B) Isomers
(C) Electrode
(D) Compound

ANSWERS: GENERAL SCIENCE QUIZ
91. A
92. D
93. A
94. C
95. C
96. A
97. D
98. A
99. B
100. B

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81. In night, when photosynthesis is stopped, plants
(A) take in Carbon Dioxide
(B) take in Oxygen
(C) give off Carbon Dioxide
(D) give off Oxygen

82. During photosynthesis, plants
(A) take in Carbon Dioxide
(B) take in Oxygen
(C) give off Carbon Dioxide
(D) give off Oxygen

83. __________ are called the powerhouses of the cell.
(A) Mitochondria
(B) Vesicles
(C) Lungs
(D) Liver

84. Mitochondria contain their own supply of
(A) DNA
(B) Amino acids
(C) Vitamins
(D) Oxygen

85. The first chemical explosive, Gunpowder, is a mixture of
(A) Sulfur, Charcoal and Nitrogen Oxide
(B) Sulfur, Charcoal, and Potassium Nitrate
(C) Sulfur and Charcoal
(D) Charcoal and Potassium Nitrate

86. The number of oscillations per second is called the
(A) hertz
(B) waves
(C) pitch
(D) frequency

87. Sound waves from a loudspeaker are caused by
(A) frequency
(B) vibrations
(C) pitch
(D) amplitude

88. The guitar has __________ strings.
(A) 4
(B) 5
(C) 6
(D) 7

89. The device used to measure movements of the heart is
(A) Cardiograph
(B) Seismograph
(C) Hydrometer
(D) Hygrometer

90. The unit used to measure ‘Pressure’ is
(A) pascal
(B) newton
(C) watt
(D) tesla

ANSWERS: SCIENCE MCQS
81. C
82. D
83. A
84. A
85. B
86. D
87. B
88. C
89. A
90. A

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71. The natural fats and oils are composed of
(A) Carbon, Hydrogen and Oxygen
(B) Carbon, Hydrogen and Nitrogen
(C) Carbon, Oxygen and Nitrogen
(D) Hydrogen, Oxygen and Nitrogen

72. The energy value of food is measured in
(A) Joule
(B) Calories
(C) Tesla
(D) Proteins

73. Wind energy is the __________ energy.
(A) Potential
(B) Transverse
(C) Kinetic
(D) Mechanical

74. Who is considered the founder of meteorology?
(A) Aristotle
(B) Plato
(C) Einstein
(D) Newton

75. Water covers __________ of the Earth’s surface.
(A) 60%
(B) 65%
(C) 70%
(D) 75%

76. In general, wind speed of 105–137 caused
(A) minor or no damage
(B) considerable damage
(C) severe damage
(D) extreme damage

77. Acid rain is mainly caused by emissions of __________ in the atmosphere.
(A) Sulfur Dioxide and Potassium Nitrate
(B) Sulfur and Charcoal
(C) Nitrogen Oxide and Potassium Nitrate
(D) Sulfur Dioxide and Nitrogen Oxide

78. About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is
(A) Oxygen
(B) Cabon Dioxide
(C) Silicon
(D) Clay

79. The fourth state of matter is
(A) Water
(B) Salts
(C) Vapours
(D) Plasma

80. The device used to convert Alternate Current into Direct Current is called
(A) Anemometer
(B) Battery
(C) Galvanometer
(D) Rectifier

ANSWERS: SCIENCE QUIZZES
71. A
72. B
73. C
74. A
75. C
76. A
77. D
78. A
79. D
80. D

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61. The Carbon Dioxide in the atmosphere, by volume, is
(A) 0.039%
(B) 3.9%
(C) 13%
(D) 30%

62. Diamond is an allotropic form of
(A) Carbon
(B) Hydrogen
(C) Nitrogen
(D) Silicon

63. The SI unit of Heat is
(A) Watt
(B) Volt
(C) Joule
(D) Newton

64. The good sources of Vitamin-A are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods

65. The good sources of Vitamin-B Complex are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods

66. The good sources of Vitamin-C are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods

67. The good sources of iodine are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods

68. The gas, commonly known as “laughing gas”, is
(A) Cabon Dioxide
(B) Sulfur Dioxide
(C) Nitrous Oxide
(D) Sodium Oxide

69. The source of oxygen in photosynthesis is
(A) water
(B) salts
(C) minerals
(D) glucose

70. The instrument used to measure wind speed is
(A) Anemometer
(B) Barometer
(C) Hydrometer
(D) Hygrometer

ANSWERS: SCIENCE QUIZ
61. A
62. A
63. C
64. A
65. B
66. C
67. D
68. C
69. A
70. A

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51. Einstein’s famous equation which states that mass and energy are interchangeable is?
(A) E = mc²
(B) E = cm²
(C) M = ec²
(D) M = ce²

52. The SI unit of electric current is?
(A) Coloumb
(B) Ampere
(C) Volt
(D) Watt

53. The principal constituent of the atmosphere of the Earth is?
(A) Oxygen
(B) Carbon
(C) Hydrogen
(D) Nitrogen

54. What is Dry Ice?
(A) Solid Oxygen
(B) Solid Carbon Dioxide
(C) Solid Hydrogen
(D) Solid Nitrogen

55. What are the primary colours?
(A) White, Black, Blue
(B) Red, Yellow, Blue
(C) Red, Orange, Blue
(D) Red, Green, Blue

56. Digestion of food is completed in the
(A) small intestine
(B) large intestine
(C) stomach
(D) Liver

57. Carrot is good source of Vitamin?
(A) A
(B) B complex
(C) C
(D) D

58. For proper formation of teeth, __________ is essential.
(A) iodine
(B) copper
(C) fluorine
(D) iron

59. Deficiency of __________ causes loss of appetite and poor growth.
(A) zinc
(B) iodine
(C) copper
(D) iron

60. Meteorology is the study of?
(A) seasons
(B) atmosphere
(C) air and sounds
(D) winds and clouds

ANSWERS: EVERYDAY SCIENCE MCQS
51. A
52. B
53. D
54. B
55. D
56. A
57. A
58. C
59. A
60. B

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