CG PPT Mock Test Paper with Answer Key

CG PPT Mock Test Paper with Answer Key

Duration: 3 Hours
Total Questions: 150
Subjects: Physics (50), Chemistry (50), Mathematics (50)
Total Marks: 150
Type: Multiple Choice Questions (MCQs)
Instructions:

  • Each question carries 1 mark.
  • No negative marking.
  • Choose the correct option (A, B, C, D).

SECTION A – PHYSICS (50 Questions)

1. The SI unit of force is:

A. Joule
B. Watt
C. Newton
D. Pascal

2. If a body covers equal distances in equal intervals of time, it is said to have:

A. Accelerated motion
B. Uniform motion
C. Circular motion
D. Retarded motion

3. The acceleration due to gravity on Earth is approximately:

A. 5 m/s²
B. 7.8 m/s²
C. 9.8 m/s²
D. 12 m/s²

4. Which mirror is used as a rear-view mirror in vehicles?

A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Cylindrical mirror

5. The work done is zero when the angle between force and displacement is:

A. 0°
B. 45°
C. 90°
D. 180°

6. The unit of electric current is:

A. Volt
B. Ampere
C. Ohm
D. Coulomb

7. Resistance of a conductor depends on:

A. Length
B. Area
C. Material
D. All of these

8. Heat transfer through vacuum occurs by:

A. Conduction
B. Convection
C. Radiation
D. Diffusion

9. Speed of light in vacuum is:

A. 3 × 10⁶ m/s
B. 3 × 10⁸ m/s
C. 3 × 10⁵ km/s
D. Both B and C

10. Energy stored in a stretched spring is:

A. Kinetic energy
B. Potential energy
C. Chemical energy
D. Heat energy

11. According to Newton’s First Law, a body will:

A. Always remain in motion
B. Always remain at rest
C. Change its state only when acted upon by an external force
D. Stop automatically

12. The force required to produce acceleration in a body is given by:

A. F = ma
B. F = m/a
C. F = a/m
D. F = mv

13. The unit of momentum is:

A. kg m/s
B. kg m/s²
C. Joule
D. Watt

14. The value of gravitational acceleration on the Moon is approximately:

A. 9.8 m/s²
B. 4.9 m/s²
C. 1.6 m/s²
D. 0.98 m/s²

15. Pressure is defined as:

A. Force × Area
B. Force / Area
C. Area / Force
D. Mass × Volume

16. The SI unit of pressure is:

A. Pascal
B. Newton
C. Joule
D. Watt

17. A hydraulic lift works on:

A. Newton’s law
B. Pascal’s law
C. Archimedes’ principle
D. Ohm’s law

18. The loudness of sound depends on:

A. Frequency
B. Wavelength
C. Amplitude
D. Speed

19. The speed of sound is maximum in:

A. Solids
B. Liquids
C. Gases
D. Vacuum

20. The frequency of a wave is measured in:

A. Hertz
B. Decibel
C. Meter
D. Pascal

21. The time taken for one complete oscillation is called:

A. Frequency
B. Amplitude
C. Time period
D. Wavelength

22. The device used to detect electric current is:

A. Voltmeter
B. Galvanometer
C. Ammeter
D. Ohmmeter

23. Ohm’s law states that:

A. V ∝ I
B. V ∝ 1/I
C. I ∝ R
D. R ∝ V

24. Electrical power is given by:

A. VI
B. V/I
C. I/R
D. R/I

25. The commercial unit of electrical energy is:

A. Joule
B. Watt
C. Kilowatt-hour
D. Ampere

26. A fuse wire is made of:

A. Copper
B. Aluminium
C. Alloy of tin and lead
D. Iron

27. The magnetic field around a straight conductor is:

A. Linear
B. Circular
C. Spiral
D. Random

28. The device used to increase voltage is:

A. Motor
B. Generator
C. Transformer
D. Battery

29. A concave lens always forms:

A. Real image
B. Virtual image
C. Inverted image
D. Enlarged image

30. The focal length of a convex lens is:

A. Negative
B. Zero
C. Positive
D. Infinite

31. The mirror formula is:

A. 1/f = 1/v − 1/u
B. 1/f = 1/v + 1/u
C. f = u + v
D. v = u/f

32. The magnification of a plane mirror is:

A. 0
B. 1
C. Greater than 1
D. Less than 1

33. The mechanical advantage of a lever is:

A. Load/Effort
B. Effort/Load
C. Load × Effort
D. Effort − Load

34. A pulley helps in:

A. Increasing work
B. Reducing effort
C. Increasing mass
D. Producing heat

35. Kinetic energy depends on:

A. Mass only
B. Velocity only
C. Both mass and velocity
D. Height

36. The unit of power is:

A. Joule
B. Watt
C. Newton
D. Pascal

37. A body of mass 2 kg moving with velocity 3 m/s has momentum:

A. 5 kg m/s
B. 6 kg m/s
C. 7 kg m/s
D. 8 kg m/s

38. The phenomenon of floating is explained by:

A. Newton’s law
B. Archimedes’ principle
C. Ohm’s law
D. Snell’s law

39. The image formed by a concave mirror at focus is:

A. Real and inverted
B. Virtual and erect
C. Highly enlarged
D. Diminished

40. The refractive index of water is approximately:

A. 1
B. 1.33
C. 1.5
D. 2

41. The heat required to raise temperature by 1°C is called:

A. Specific heat
B. Heat capacity
C. Latent heat
D. Thermal energy

42. Boiling point of water at normal atmospheric pressure is:

A. 90°C
B. 95°C
C. 100°C
D. 110°C

43. The energy possessed due to position is:

A. Kinetic energy
B. Mechanical energy
C. Potential energy
D. Sound energy

44. The law of conservation of energy states:

A. Energy can be destroyed
B. Energy can be created
C. Energy can neither be created nor destroyed
D. Energy is always lost

45. An electric motor converts:

A. Mechanical energy to electrical energy
B. Electrical energy to mechanical energy
C. Heat to light
D. Chemical to nuclear

46. The current in a circuit is measured using:

A. Voltmeter
B. Ammeter
C. Galvanometer
D. Barometer

47. The splitting of white light into seven colours is called:

A. Reflection
B. Refraction
C. Dispersion
D. Diffraction

48. The device used to measure atmospheric pressure is:

A. Thermometer
B. Barometer
C. Hydrometer
D. Lactometer

49. The SI unit of frequency is:

A. Watt
B. Hertz
C. Newton
D. Volt

50. The efficiency of a machine is always:

A. More than 100%
B. Equal to 100%
C. Less than or equal to 100%
D. Zero

SECTION B – CHEMISTRY (50 Questions)

51. The atomic number of an element represents:

A. Number of neutrons
B. Number of protons
C. Atomic mass
D. Valency

52. The chemical formula of common salt is:

A. KCl
B. NaCl
C. CaCl₂
D. Na₂CO₃

53. pH value less than 7 indicates:

A. Acidic solution
B. Basic solution
C. Neutral solution
D. Salt solution

54. The gas released during photosynthesis is:

A. CO₂
B. O₂
C. N₂
D. H₂

55. The smallest particle of an element that retains its properties is:

A. Molecule
B. Atom
C. Ion
D. Electron

56. Which of the following is a chemical change?

A. Melting of ice
B. Boiling of water
C. Rusting of iron
D. Cutting of paper

57. The valency of oxygen is:

A. 1
B. 2
C. 3
D. 4

58. LPG mainly contains:

A. Methane
B. Ethane
C. Propane and Butane
D. Hydrogen

59. An example of a base is:

A. HCl
B. NaOH
C. CO₂
D. H₂SO₄

60. The process of coating iron with zinc is called:

A. Electroplating
B. Galvanization
C. Vulcanization
D. Distillation

61. The atomic mass of an element is determined by:

A. Number of protons
B. Number of electrons
C. Total number of protons and neutrons
D. Number of neutrons only

62. The element with atomic number 1 is:

A. Helium
B. Hydrogen
C. Oxygen
D. Nitrogen

63. Which of the following is an example of a compound?

A. Air
B. Water
C. Iron
D. Gold

64. The valency of sodium is:

A. 0
B. 1
C. 2
D. 3

65. The gas used in electric bulbs is:

A. Oxygen
B. Nitrogen
C. Argon
D. Hydrogen

66. The periodic table is arranged according to:

A. Atomic mass
B. Atomic number
C. Valency
D. Density

67. Which of the following is a noble gas?

A. Chlorine
B. Neon
C. Nitrogen
D. Hydrogen

68. The reaction between acid and base produces:

A. Salt and water
B. Gas only
C. Water only
D. Salt only

69. Which metal is liquid at room temperature?

A. Sodium
B. Mercury
C. Aluminium
D. Copper

70. The process of heating ore in absence of air is called:

A. Roasting
B. Calcination
C. Smelting
D. Refining

71. The most abundant gas in air is:

A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Argon

72. The chemical symbol of potassium is:

A. P
B. Po
C. K
D. Pt

73. Which of the following is an example of a physical change?

A. Burning of coal
B. Rusting of iron
C. Melting of wax
D. Digestion of food

74. The pH value of pure water is:

A. 5
B. 6
C. 7
D. 8

75. Which acid is present in vinegar?

A. Hydrochloric acid
B. Sulphuric acid
C. Acetic acid
D. Nitric acid

76. Which element is essential for respiration?

A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon

77. The number of electrons in a neutral atom equals:

A. Number of neutrons
B. Number of protons
C. Atomic mass
D. Valency

78. Brass is an alloy of:

A. Copper and Zinc
B. Copper and Tin
C. Iron and Carbon
D. Aluminium and Copper

79. The formula of sulphuric acid is:

A. HCl
B. HNO₃
C. H₂SO₄
D. H₂CO₃

80. Which of the following is a greenhouse gas?

A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen

81. Electrolysis involves:

A. Chemical energy
B. Mechanical energy
C. Electrical energy
D. Nuclear energy

82. Which metal is used in galvanization?

A. Iron
B. Copper
C. Zinc
D. Aluminium

83. The hardest natural substance is:

A. Gold
B. Iron
C. Diamond
D. Silver

84. Which of the following is a non-metal?

A. Copper
B. Iron
C. Sulphur
D. Aluminium

85. The substance that turns blue litmus red is:

A. Base
B. Acid
C. Salt
D. Alcohol

86. The process of separating cream from milk is:

A. Filtration
B. Distillation
C. Centrifugation
D. Sublimation

87. Which gas is used in fire extinguishers?

A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen

88. The chemical formula of ammonia is:

A. NH₃
B. NO₂
C. N₂O
D. NH₄

89. The outermost shell of an atom is called:

A. K-shell
B. L-shell
C. Valence shell
D. Nucleus

90. Which of the following is a strong acid?

A. CH₃COOH
B. HCl
C. NH₄OH
D. NaOH

91. The process of loss of electrons is called:

A. Reduction
B. Oxidation
C. Neutralization
D. Sublimation

92. Which element is used in making pencils?

A. Graphite
B. Lead
C. Carbon dioxide
D. Silicon

93. The chemical formula of calcium carbonate is:

A. CaCO₃
B. CaCl₂
C. CaSO₄
D. CaO

94. Which of the following is a saturated hydrocarbon?

A. Ethene
B. Ethyne
C. Methane
D. Benzene

95. The process of conversion of solid directly into gas is:

A. Evaporation
B. Condensation
C. Sublimation
D. Freezing

96. Which of the following is an exothermic reaction?

A. Photosynthesis
B. Burning of fuel
C. Melting of ice
D. Boiling of water

97. The element required for making stainless steel is:

A. Chromium
B. Zinc
C. Sodium
D. Magnesium

98. Which of the following is an indicator?

A. NaCl
B. Phenolphthalein
C. Sugar
D. Alcohol

99. The atomic number of carbon is:

A. 4
B. 6
C. 8
D. 12

100. The process of preventing corrosion by coating metal with paint is called:

A. Galvanization
B. Alloying
C. Painting
D. Rusting

SECTION C – MATHEMATICS (50 Questions)

101. If 2x + 5 = 15, then x =

A. 3
B. 4
C. 5
D. 6

102. The value of (a + b)² is:

A. a² + b²
B. a² + 2ab + b²
C. a² − 2ab + b²
D. 2a² + b²

103. The HCF of 12 and 18 is:

A. 2
B. 3
C. 6
D. 9

104. If sin θ = 1, then θ equals:

A. 0°
B. 30°
C. 60°
D. 90°

105. The area of a circle is:

A. 2πr
B. πr²
C. πd
D. r²

106. If the radius of a circle is doubled, its area becomes:

A. Double
B. Triple
C. Four times
D. Half

107. The mean of first five natural numbers is:

A. 2
B. 3
C. 4
D. 5

108. If a die is thrown, probability of getting 3 is:

A. 1/3
B. 1/6
C. 1/2
D. 1

109. The slope of a horizontal line is:

A. 0
B. 1
C. −1
D. Undefined

110. The simple interest on ₹1000 at 10% per annum for 2 years is:

A. ₹100
B. ₹150
C. ₹200
D. ₹250

Disclaimer

“This is a sample paper created for practice purposes only. It is inspired by CG Vyapam syllabus and previous year trends, and is not an official exam paper.

Answer

Answer Key

Q.NoAnsQ.NoAnsQ.NoAnsQ.NoAnsQ.NoAns
1C23A45B67B89C
2B24A46B68A90B
3C25C47C69B91B
4B26C48B70B92A
5C27B49B71B93A
6B28C50C72C94C
7D29B51C73C95C
8C30C52B74C96B
9D31B53A75C97A
10B32B54B76C98B
11C33A55B77B99B
12A34B56C78A100C
13A35C57B79C101C
14C36B58C80C102B
15B37B59B81C103C
16A38B60B82C104D
17B39C61C83C105B
18C40B62B84C106C
19A41B63B85B107B
20A42C64B86C108B
21C43C65C87C109A
22B44C66B88A110C