Basic Science Practice Question and Answer

Q:

Solute can be separated from solution?

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  • 1
    filtration
    Correct
    Wrong
  • 2
    evaporation
    Correct
    Wrong
  • 3
    Decantation
    Correct
    Wrong
  • 4
    sedimentation
    Correct
    Wrong
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Answer : 2. "evaporation"

Q:

What is the range of the intensity scale used in measuring earthquakes?

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  • 1
    1 to 7
    Correct
    Wrong
  • 2
    1 to 12
    Correct
    Wrong
  • 3
    1 to 15
    Correct
    Wrong
  • 4
    1 to 5
    Correct
    Wrong
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Answer : 2. "1 to 12 "

Q:

Which of the following grain was first used by human?

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  • 1
    Ragi
    Correct
    Wrong
  • 2
    Wheat
    Correct
    Wrong
  • 3
    Barley
    Correct
    Wrong
  • 4
    Oat
    Correct
    Wrong
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Answer : 2. "Wheat"

Q:

Cooking vessels have wooden or bakelite handles because–

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  • 1
    the handle must be strong
    Correct
    Wrong
  • 2
    wood and bakelite are bad conductors of heat
    Correct
    Wrong
  • 3
    the handle should be attractive
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "wood and bakelite are bad conductors of heat"

Q:

By which process oil is converted into Vegetable Ghee?

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  • 1
    Hydrogenation
    Correct
    Wrong
  • 2
    Distillation
    Correct
    Wrong
  • 3
    Oxidation
    Correct
    Wrong
  • 4
    Reduction
    Correct
    Wrong
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Answer : 1. "Hydrogenation"

Q:

In a refrigerator; cooling is produced by–

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  • 1
    the ice which deposits in the freezer
    Correct
    Wrong
  • 2
    the evaporation of a volatile liquid
    Correct
    Wrong
  • 3
    the sudden expansion of a compressed gas
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "the evaporation of a volatile liquid"

Q:

Which substance is added to make natural rubber hard and bouncy?

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  • 1
    Petrol Jelly
    Correct
    Wrong
  • 2
    sulfuric acid
    Correct
    Wrong
  • 3
    sulfur
    Correct
    Wrong
  • 4
    Sponge
    Correct
    Wrong
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Answer : 3. "sulfur"

Q:

If the edge of a cube is halved, then its volume reduces to _____times the actual volume.

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  • 1
    1/3
    Correct
    Wrong
  • 2
    1/4
    Correct
    Wrong
  • 3
    1/8
    Correct
    Wrong
  • 4
    1/2
    Correct
    Wrong
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Answer : 3. "1/8"

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