UPCATET Previous Year Question Papers

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?

⚪15 Days
⚪14 Days
⚪13 Days
⚪11 Days
Answer
11 Days

62. Conversion Of Heat Into Electrical Is Achieved By Using :

⚪Voltmeter
⚪Hydrometer
⚪Thermocouple
⚪Ammeter
Answer
Thermocouple

63. Atomicity Of Oxygen In Ozone Molecule Is .

⚪1
⚪2
⚪3
⚪4
Answer
3

64. Which Of The Following Circuit Elements Is Used To Block DC In An Electronic Circuit ?

⚪Diode
⚪Capacitance
⚪Inductance
⚪Resistances
Answer
Capacitance

65. Water Is Used In Car Radiator Because Of Its

⚪Easy Availability
⚪High Specific Heat Capacity
⚪Low Boiling Point
⚪Low Density
Answer
high Specific Heat Capacity

66. A Boy Sitting In An Open Car Moving With The Constant Speed Throws A Ball Straight Up Into The Air. The Ball Falls

⚪Behind Him
⚪In Front Of Him
⚪Into His Hand
⚪By His Side
Answer
behind Him

67. The Instrument For Measuring Intensity Of Earthquakes Is Called

⚪ Seismograph
⚪Ergo Graph
⚪ Pantograph
⚪Ideograph
Answer
Seismograph

68. Solubility Of CaO In Water Is A .

⚪Chermic
⚪Endothermic
⚪Exothermic
⚪Hypothermic
Answer
exothermic

69. Cloudy Nights Are Warmer Compared Nights Because Clouds Mainly

⚪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
Answer
reflect Back The Heat Given By Earth

70. On Which Of The Following Techniques Photo State Machine Works ?

⚪Thermal Image Making
⚪Electrostatic Image Making
⚪Magnetic Imager Making
⚪Electromagnetic Image Making
Answer
Electrostatic Image Making

71. The Propagation Of Sound Waves In A Gas Involves

⚪Adiabatic Compression And Rarefaction
⚪Isothermal Compression And Rarefaction
⚪Isochoric Compression And Rarefaction
⚪Isobaric Compression And Rarefaction
Answer
adiabatic Compression And Rarefaction

72. The Four Stroke Petrol Engine Is Based On

⚪Diesel Cycle
⚪Otto Cycle
⚪Boyles Cycle
⚪Boyles Cycle
Answer
Otto Cycle

73. If The Diameter Of A Capillary Is Doubled Then The Rise Of Water In It Will Be

⚪ Two Times
⚪Half
⚪Four Times
⚪No Change
Answer
half

74. During Which Phase Of The Cell Cycle Are Normal Components Of The Cell Synthesized And Assembled?

⚪ The M Phase
⚪The G1 Phase
⚪The S Phase
⚪The G2 Phase
Answer
the G1 Phase

75. Therm Is The Unit Of

⚪Heat
⚪Light
⚪Distance
⚪Power
Answer
heat

76. The Part Of The Eye Having The Larges Refractive Index Is :

⚪Cornea
⚪Aqueous Humor
⚪Lens
⚪Vitreous Humor
Answer
lens

77. A Simple Microscope Consists Of

⚪A Short Focus Concave Lens
⚪A Long Focus Convex Lens
⚪A Long Focus Concave Lens
⚪A Short Focus Convex Lens
Answer
a Short Focus Convex Lens

78. Which Among The Following Waves Is Used For Communication By Artificial Satellites ?

⚪Radio Waves
⚪Microwaves
⚪A. M.
⚪Frequency Of 101 Series
Answer
Microwaves

79. The Principle Of Uncertainty Was Introduced By .

⚪Broglie
⚪Avogadro
⚪Heisenberg
⚪Einstein
Answer
Heisenberg

80. Which Of The Following Liquids Has The Least Density ?

⚪Fresh Water
⚪Salt Water
⚪Mercury
⚪Petrol
Answer
Petrol

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