Science GK Practice Question and Answer

Q:

Which of the following hitting methods has the highest power factor?

1064 0

  • 1
    heating resistance
    Correct
    Wrong
  • 2
    induction heating
    Correct
    Wrong
  • 3
    Arc heating
    Correct
    Wrong
  • 4
    Dielectric heating
    Correct
    Wrong
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Answer : 1. "heating resistance"

Q:

Why is sodium stored in kerosene?

471 0

  • 1
    To maintain in its original form
    Correct
    Wrong
  • 2
    It gets oxidised in air
    Correct
    Wrong
  • 3
    evaporation starts in the air
    Correct
    Wrong
  • 4
    it starts burning in air
    Correct
    Wrong
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Answer : 2. "It gets oxidised in air"

Q:

Beta biodiversity is an example of

549 0

  • 1
    Run of Kutch
    Correct
    Wrong
  • 2
    Rajasthan
    Correct
    Wrong
  • 3
    India
    Correct
    Wrong
  • 4
    Asia
    Correct
    Wrong
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Answer : 3. "India "

Q:

How many bones are present in human ears?

424 0

  • 1
    6
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 1. "6"

Q:

Speed of sound is maximum?

706 0

  • 1
    in air
    Correct
    Wrong
  • 2
    In water
    Correct
    Wrong
  • 3
    in vacuum
    Correct
    Wrong
  • 4
    Steel
    Correct
    Wrong
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Answer : 4. "Steel"

Q:

Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called?

565 0

  • 1
    Annealing
    Correct
    Wrong
  • 2
    Vulcanization
    Correct
    Wrong
  • 3
    Yashad coating
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Yashad coating"

Q:

Insulin was invented by?

627 0

  • 1
    Eijkman
    Correct
    Wrong
  • 2
    Betting
    Correct
    Wrong
  • 3
    Domagk
    Correct
    Wrong
  • 4
    H. G. khurana
    Correct
    Wrong
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Answer : 2. "Betting"

Q:

By which instrument the purity of milk is measured?

535 0

  • 1
    Lactometer
    Correct
    Wrong
  • 2
    manometer
    Correct
    Wrong
  • 3
    Pyrometer
    Correct
    Wrong
  • 4
    Tachometer
    Correct
    Wrong
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Answer : 1. "Lactometer"

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