Basic Science Practice Question and Answer

Q:

Who was the first Indian astronaut-

1649 0

  • 1
    Rakesh Sharma
    Correct
    Wrong
  • 2
    Yuri Gagarin
    Correct
    Wrong
  • 3
    Kalpana Chawla
    Correct
    Wrong
  • 4
    Sunita Williams
    Correct
    Wrong
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Answer : 1. "Rakesh Sharma"

Q:

Which acid is used as a dehydrating agent?

1647 0

  • 1
    hydrochloric acid
    Correct
    Wrong
  • 2
    sulfuric acid
    Correct
    Wrong
  • 3
    acetic acid
    Correct
    Wrong
  • 4
    nitric acid
    Correct
    Wrong
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Answer : 2. "sulfuric acid"

Q:

_______is used for artificial rain

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  • 1
    Silver Chloride
    Correct
    Wrong
  • 2
    Silver Iodide
    Correct
    Wrong
  • 3
    Silver Nitrate
    Correct
    Wrong
  • 4
    Silver Oxide
    Correct
    Wrong
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Answer : 2. "Silver Iodide"

Q:

When a ship enters the sea from a river?

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  • 1
    rises up
    Correct
    Wrong
  • 2
    falls down
    Correct
    Wrong
  • 3
    There is no change in its level
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 1. "rises up"

Q:

Which of the following physical properties is not affected by quantity?

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  • 1
    Volume
    Correct
    Wrong
  • 2
    mass
    Correct
    Wrong
  • 3
    weight
    Correct
    Wrong
  • 4
    density
    Correct
    Wrong
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Answer : 4. "density"

Q:

Which of the following is not a source of air pollution?

1635 0

  • 1
    Automobile exhaust
    Correct
    Wrong
  • 2
    Burning of firewood
    Correct
    Wrong
  • 3
    Windmill
    Correct
    Wrong
  • 4
    Power plant
    Correct
    Wrong
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Answer : 3. "Windmill"

Q:

Gun powder is a mixture of?

1617 0

  • 1
    soil and TNT
    Correct
    Wrong
  • 2
    sulphur, clay and charcoal
    Correct
    Wrong
  • 3
    saltpeter, sulfur and charcoal
    Correct
    Wrong
  • 4
    TNT and charcoal
    Correct
    Wrong
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Answer : 3. "saltpeter, sulfur and charcoal"

Q:

Which element is found the most in minerals and rocks?

1610 0

  • 1
    Carbon
    Correct
    Wrong
  • 2
    Silicon
    Correct
    Wrong
  • 3
    Hydrogen
    Correct
    Wrong
  • 4
    Boron
    Correct
    Wrong
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Answer : 1. "Carbon"

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