Solved Paper Lab Assistant (Allopathy) 2018- HPSSC Hamirpur [Part-2]

56. Thermodynamically most stable form o0f carbon is

1. Diamond
2. Graphite
3. Peat
4. Coal

57. In Kjeldahl’s method, nitrogen is estimated as

1. N2
2. NH3
3. No2
4. NH4OH

58. Which is not used to purify organic solids?

1. Distillation
2. Sublimation
3. Crystallization
4. None of these

59. Acidic hydrogen is present in

1. Ethyne
2. Ethane
3. Benzene
4. Ethane

60. Ozone is present in

1. Thermosphere
2. Mesosphere
3. Stratosphere
4. Troposphere

61. The coordination number of sodium in Na2O is

1. 2
2. 4
3. 6
4. 12

62. The material used in a solar cell contains

1. Cs
2. Si
3. Sn
4. Ti

63. Glasses and plastics are

1. Amorphous solids
2. Isotropic
3. Supercooled liquids
4. Both (A) and (B)

64. Molality is expressed in

1. Grams/litre
2. Litres/moles
3. Moles/litre
4. Moles/kg

65. Mole fraction of a solute in 2.0 molal aqueous solution is

1. 1.77
2. 1.87
3. 0.00347
4. 0.347

66. The most durable metal plating on iron to protect against corrosion is

1. Zinc Plating
2. Copper Plating
3. Nickel Plating
4. Tin Plating

67. Tyndall effect is observed in

1. Solution
2. Precipitate
3. Sol
4. Vapours

68. Which of the following is lyophilic in nature?

1. Protein
2. Gum
3. Starch
4. All of these

69. Metal always found in the free state is

1. Gold
2. Silver
3. Copper
4. Sodium

70. Oleum is

1. Castor oil
2. Oil of vitriol
3. Fuming H2SO4
4. None of these

71. Which of the following compounds on oxidation gives benzoic acid?

1. O-chlorophenol
2. P-chlorotoluene
3. Chlorobenzene
4. Benzyl Chloride

72. Which of the following is the strongest acid?

1. Phenol
2. Benzyl alcohol
3. M-chlorophenol
4. Cyclohexanol

73. Grinard’s reagents give alkanes by reaction with

1. Phenol
2. Water
3. Alcohol
4. All of these

74. Which of the following acids does not exhibit optical isomerism?

1. Maleic acid
2. Alpha-amino acid
3. Lactic acid
4. Tartaric acid

75. Which of the following polymer is stored in the liver of animals?

1. Amylose
2. Cellulose
3. Amylopectin
4. Glycogen

76. Mutarotation does not occur in

1. Sucrose
2. D-glucose
3. L-glucose
4. None of these

77. Which of the following are anti-depressants?

1. Iproniazid
2. Phenelzine
3. Equanil
4. All of these

78. A broad spectrum antibiotic is

1. Paracetamol
2. Penicillin
3. Aspirin
4. Chloramphenicol

79. Who discovered positron?

1. Abdus
2. H. Bragg
3. D. Anderson
4. Curie

80. Lightyear is the unit of

1. Time
2. Speed
3. Distance
4. None of these

81. A boy completes a semicircle of radius 7m in 5 seconds. The distance traveled by the boy is

1. 8m
2. 10m
3. 11m
4. 22m

82. The angle between negative vectors is

1. 0 degree
2. 60 degree
3. 90 degree
4. 180 degree

83. Which of the following is not a scalar quantity?

1. Time
2. Momentum
3. Volume
4. Density

84. Change in momentum is given by

1. Force*Mass
2. Force* time
3. Force* velocity
4. Force* distance

85. If the velocity of the body becomes double, its kinetic energy will become

1. Twice
2. Half
3. Four times
4. One-fourth

86. Moment of inertia is the rotational analog of

1. Torque
2. Force
3. Velocity
4. Mass

87. The example of a central force is

1. Nuclear force
2. Gravitational force
3. Weak nuclear force
4. None of these

88. Which of the following substances has the greatest viscosity?

1. Air
2. Hydrogen
3. Water
4. Mercury

89. With the increase in temperature, the surface tension of a liquid

1. Increases
2. Decreases
3. Remains the same
4. None of these

90. When water is heated from 0 degrees C to 4-degree Celsius, the volume of water

1. Remains the same
2. Decreases
3. Increases
4. None of these

91. Which is the fastest mode of transfer of heat?

1. Conduction
2. Convention
3. Radiation
4. Both (A) and (B)

92. For an ideal bad conductor of heat, the value of thermal conductivity is

1. Zero
2. 1
3. Infinity
4. None of these

93. The greenhouse effect is due to

1. Visible light
2. UV rays
3. Infrared rays
4. Radio waves

94. The internal energy of an isolated system

1. Increases
2. Decreases
3. Remains the same
4. None of these

95. Which of the following parameters does not characterize the thermodynamic

1. Temperature
2. Pressure
3. Volume
4. Work

96. The degree of freedom of a monoatomic gas molecule is

1. 3
2. 5
3. 6
4. 7

97. The phenomenon of sound propagation in air is

1. Isobaric process
2. Isochoric process
3. Isothermal process
4. Adiabatic process

98. The distance between two consecutive antinodes is

1. 2 λ
2. λ/4
3. λ/2
4. λ

99. If sound waves travel from air to water, which of the following remains unchanged?

1. Velocity
2. Wavelength
3. Frequency
4. Intensity

100. The intensity ratio of two waves is 1: 9, The ratio of their amplitude is

1. 3:1
2. 1:3
3. 1:9
4. 9:1

101. Doppler phenomena is related with

1. Frequency
2. Loudness
3. Quality
4. Reflection

102. If an electron is brought toward another electron, the electric potential energy of the system

1. Increases
2. Decreases
3. Becomes zero
4. Remains the same

103. The capacitance of a parallel plate capacitor increases with

1. Decrease of its area
2. Increase of its distance
3. Increase of its area
4. None of these

104. Static electricity is produced due to

1. Friction
2. Conduction
3. Induction
4. Both (A) and (C)

105. One kilowatt hour is equal to

1. 36*10^5 j
2. 36*10^3 j
3. 36 *10^-5 J
4. 36* 10^-3 J

106. Ten identical wires each having a resistance of 1 ohm are connected in parallel. The combination will have a resistance of

1. 10 ohm
2. 1 ohm
3. 1 ohm
4. 01 ohm

107. The reciprocal of resistance is

1. Conductance
2. Specific resistance
3. Voltage
4. Current

108. Which of the following is a secondary cell ?

1. Voltaic cell
2. Daniel cell
3. Leclanche cell
4. Edison cell

109. Watt-hour meter measures

1. Electrical energy
2. Current
3. Voltage
4. Power

110. The angle of dip is 90degree at

1. Poles
2. Equator
3. Both (A) and (B)
4. None of these

Read next: ॥ Part-3 ॥ Part-1 ॥