UPCATET Previous Year Question Papers

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61. A, B And C Can Do A Piece Of Work In 24, 30 And 40 Days Respectively. They Start The Work Together But C Leaves 4 Days Before The Completion Of The Work. In How Many Days Is The Work Done? [/su_accordion]
⚪15 Days
⚪14 Days
⚪13 Days
⚪11 Days
[su_spoiler title=”Answer”]11 Days[/su_spoiler] [su_accordion]

62. Conversion Of Heat Into Electrical Is Achieved By Using : [/su_accordion]
⚪Voltmeter
⚪Hydrometer
⚪Thermocouple
⚪Ammeter
[su_spoiler title=”Answer”]Thermocouple[/su_spoiler] [su_accordion]

63. Atomicity Of Oxygen In Ozone Molecule Is . [/su_accordion]
⚪1
⚪2
⚪3
⚪4
[su_spoiler title=”Answer”]3[/su_spoiler] [su_accordion]

64. Which Of The Following Circuit Elements Is Used To Block DC In An Electronic Circuit ? [/su_accordion]
⚪Diode
⚪Capacitance
⚪Inductance
⚪Resistances
[su_spoiler title=”Answer”]Capacitance[/su_spoiler] [su_accordion]

65. Water Is Used In Car Radiator Because Of Its [/su_accordion]
⚪Easy Availability
⚪High Specific Heat Capacity
⚪Low Boiling Point
⚪Low Density
[su_spoiler title=”Answer”]high Specific Heat Capacity[/su_spoiler] [su_accordion]

66. A Boy Sitting In An Open Car Moving With The Constant Speed Throws A Ball Straight Up Into The Air. The Ball Falls [/su_accordion]
⚪Behind Him
⚪In Front Of Him
⚪Into His Hand
⚪By His Side
[su_spoiler title=”Answer”]behind Him[/su_spoiler] [su_accordion]

67. The Instrument For Measuring Intensity Of Earthquakes Is Called [/su_accordion]
⚪ Seismograph
⚪Ergo Graph
⚪ Pantograph
⚪Ideograph
[su_spoiler title=”Answer”] Seismograph[/su_spoiler] [su_accordion]

68. Solubility Of CaO In Water Is A . [/su_accordion]
⚪Chermic
⚪Endothermic
⚪Exothermic
⚪Hypothermic
[su_spoiler title=”Answer”]exothermic[/su_spoiler] [su_accordion]

69. Cloudy Nights Are Warmer Compared Nights Because Clouds Mainly [/su_accordion]
⚪Absorb Heat From The Atmosphere Send It Towards Earth
⚪Prevent Cold Waves From The Sky Descending On Earth
⚪Produce Heat And Radiate Toward Earth
⚪Reflect Back The Heat Given By Earth
[su_spoiler title=”Answer”]reflect Back The Heat Given By Earth[/su_spoiler] [su_accordion]

70. On Which Of The Following Techniques Photo State Machine Works ? [/su_accordion]
⚪Thermal Image Making
⚪Electrostatic Image Making
⚪Magnetic Imager Making
⚪Electromagnetic Image Making
[su_spoiler title=”Answer”]Electrostatic Image Making[/su_spoiler] [su_accordion]

71. The Propagation Of Sound Waves In A Gas Involves [/su_accordion]
⚪Adiabatic Compression And Rarefaction
⚪Isothermal Compression And Rarefaction
⚪Isochoric Compression And Rarefaction
⚪Isobaric Compression And Rarefaction
[su_spoiler title=”Answer”]adiabatic Compression And Rarefaction[/su_spoiler] [su_accordion]

72. The Four Stroke Petrol Engine Is Based On [/su_accordion]
⚪Diesel Cycle
⚪Otto Cycle
⚪Boyles Cycle
⚪Boyles Cycle
[su_spoiler title=”Answer”]Otto Cycle[/su_spoiler] [su_accordion]

73. If The Diameter Of A Capillary Is Doubled Then The Rise Of Water In It Will Be [/su_accordion]
⚪ Two Times
⚪Half
⚪Four Times
⚪No Change
[su_spoiler title=”Answer”]half[/su_spoiler] [su_accordion]

74. During Which Phase Of The Cell Cycle Are Normal Components Of The Cell Synthesized And Assembled? [/su_accordion]
⚪ The M Phase
⚪The G1 Phase
⚪The S Phase
⚪The G2 Phase
[su_spoiler title=”Answer”]the G1 Phase[/su_spoiler] [su_accordion]

75. Therm Is The Unit Of [/su_accordion]
⚪Heat
⚪Light
⚪Distance
⚪Power
[su_spoiler title=”Answer”]heat[/su_spoiler] [su_accordion]

76. The Part Of The Eye Having The Larges Refractive Index Is : [/su_accordion]
⚪Cornea
⚪Aqueous Humor
⚪Lens
⚪Vitreous Humor
[su_spoiler title=”Answer”]lens[/su_spoiler] [su_accordion]

77. A Simple Microscope Consists Of [/su_accordion]
⚪A Short Focus Concave Lens
⚪A Long Focus Convex Lens
⚪A Long Focus Concave Lens
⚪A Short Focus Convex Lens
[su_spoiler title=”Answer”]a Short Focus Convex Lens[/su_spoiler] [su_accordion]

78. Which Among The Following Waves Is Used For Communication By Artificial Satellites ? [/su_accordion]
⚪Radio Waves
⚪Microwaves
⚪A. M.
⚪Frequency Of 101 Series
[su_spoiler title=”Answer”]Microwaves[/su_spoiler] [su_accordion]

79. The Principle Of Uncertainty Was Introduced By . [/su_accordion]
⚪Broglie
⚪Avogadro
⚪Heisenberg
⚪Einstein
[su_spoiler title=”Answer”]Heisenberg[/su_spoiler] [su_accordion]

80. Which Of The Following Liquids Has The Least Density ? [/su_accordion]
⚪Fresh Water
⚪Salt Water
⚪Mercury
⚪Petrol
[su_spoiler title=”Answer”]Petrol[/su_spoiler]