Basic Science Practice Question and Answer

Q:

Capacitors are fitted to increase the power coefficient?

1806 0

  • 1
    parallel to the supply
    Correct
    Wrong
  • 2
    By putting resistance to supply
    Correct
    Wrong
  • 3
    In the supply chain
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "parallel to the supply"

Q:

Why it is not advisable to sleep under a tree at night?

1786 0

  • 1
    Release of less oxygen
    Correct
    Wrong
  • 2
    Release of more oxygen
    Correct
    Wrong
  • 3
    Release of carbon dioxide
    Correct
    Wrong
  • 4
    Release of carbon monoxide
    Correct
    Wrong
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Answer : 3. "Release of carbon dioxide"

Q:

The best means of extinguishing petrol fires is-

1672 0

  • 1
    Baking Powder
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Sand
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 2. "Carbon dioxide"

Q:

What is the smallest unit of a chemical compound?

1649 0

  • 1
    Atomic
    Correct
    Wrong
  • 2
    electron
    Correct
    Wrong
  • 3
    Proton
    Correct
    Wrong
  • 4
    Molecules
    Correct
    Wrong
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Answer : 4. "Molecules"

Q:

Which vitamin is high in orange?

1576 0

  • 1
    D
    Correct
    Wrong
  • 2
    A
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    B
    Correct
    Wrong
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Answer : 3. "C"

Q:

What is the scientific name for common salt?

1535 0

  • 1
    sodium sulfate
    Correct
    Wrong
  • 2
    sodium chloride
    Correct
    Wrong
  • 3
    sodium bicarbonate
    Correct
    Wrong
  • 4
    Ammonium chloride
    Correct
    Wrong
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Answer : 4. "Ammonium chloride"

Q:

What of the following statements is incorrect?

1522 0

  • 1
    Iron sinks in water
    Correct
    Wrong
  • 2
    Wood floats on water
    Correct
    Wrong
  • 3
    Mercury floats on water
    Correct
    Wrong
  • 4
    Iron floats in mercury
    Correct
    Wrong
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Answer : 3. "Mercury floats on water"

Q:

Tungsten resistance to temperature rise?

1514 0

  • 1
    decreases
    Correct
    Wrong
  • 2
    increases
    Correct
    Wrong
  • 3
    there is no change
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 2. "increases"

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