Basic Science Practice Question and Answer

Q:

Is water heating in the kettle an example?

1286 0

  • 1
    Conduction
    Correct
    Wrong
  • 2
    Convection
    Correct
    Wrong
  • 3
    Radiation
    Correct
    Wrong
  • 4
    Condensation
    Correct
    Wrong
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Answer : 2. "Convection"

Q:

Dry ice is solid.

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  • 1
    Carbon monoxide
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Sulfur dioxide
    Correct
    Wrong
  • 4
    Hydrogen peroxide
    Correct
    Wrong
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Answer : 2. "Carbon dioxide"

Q:

Our eyes are able to detect light due to the presence of the which of the following receptor?

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  • 1
    Phonoreceptors
    Correct
    Wrong
  • 2
    Thigmoreceptors
    Correct
    Wrong
  • 3
    Photoreceptors
    Correct
    Wrong
  • 4
    Gustatoreceptors
    Correct
    Wrong
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Answer : 3. "Photoreceptors"

Q:

The major component of natural gas is-

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  • 1
    Methane
    Correct
    Wrong
  • 2
    Ethane
    Correct
    Wrong
  • 3
    Butane
    Correct
    Wrong
  • 4
    Hydrogen
    Correct
    Wrong
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Answer : 1. "Methane"

Q:

Maximum amount of gas found in air is

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  • 1
    Oxygen
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Hydrogen
    Correct
    Wrong
  • 4
    Nitrogen
    Correct
    Wrong
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Answer : 4. "Nitrogen"

Q:

The world's highest per capita carbon dioxide emitter is: -

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  • 1
    Qatar
    Correct
    Wrong
  • 2
    United States
    Correct
    Wrong
  • 3
    China
    Correct
    Wrong
  • 4
    India
    Correct
    Wrong
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Answer : 1. "Qatar"

Q:

The function of dynamo is?

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  • 1
    Converting electrical energy into mechanical energy
    Correct
    Wrong
  • 2
    Converting mechanical energy into electrical energy
    Correct
    Wrong
  • 3
    Converting electrical energy into heat
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Converting mechanical energy into electrical energy"

Q:

Which metal has the highest melting point?

1256 0

  • 1
    Osmium
    Correct
    Wrong
  • 2
    Tungsten
    Correct
    Wrong
  • 3
    Molybdenum
    Correct
    Wrong
  • 4
    aluminum
    Correct
    Wrong
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Answer : 2. "Tungsten"

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