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General Science MCQ


Which type of fire extinguisher is used for petroleum fire?

  • Powder type
  • Liquid type
  • Soda acid type
  • Foam type
  • Correct Option: A  [ Powder type ]

    Remark:

'Shock –absorbers' are usually made of steel as it:

  • is not brittle
  • has lower elasticity
  • has higher elasticity
  • has no ductile property
  • Correct Option: C  [ has higher elasticity ]

    Remark:

If we add salt to pure water, its boiling point will

  • increase
  • decrease
  • remains same
  • None of the above
  • Correct Option: A  [ increase ]

    Remark:

In coriander the useful parts are:

  • roots &leaves
  • leaves & flowers
  • leaves & dried fruits
  • flower& dried fruits
  • Correct Option: C  [ leaves & dried fruits ]

    Remark:

The brain of any computer system is:

  • ALU
  • Memory
  • Memory
  • CPU
  • Correct Option: D  [ CPU ]

    Remark:

Nucleus is absent in

  • Erythrocyre (Red Blood Cell)
  • Cancer cell
  • Stem cell
  • Leucocyte (White Blood Cell)
  • Correct Option: A  [ Erythrocyre (Red Blood Cell) ]

    Remark:

A man inside a moving train tosses a coin, the coin falls behind him. The train is moving:

  • forward with a uniform speed
  • backward with a uniform speed
  • forward with deceleration
  • forward with acceleration
  • Correct Option: D  [ forward with acceleration ]

    Remark:

The number of protons in an alpha particle is :

  • one
  • two
  • three
  • four
  • Correct Option: B  [ two ]

    Remark:

Which of the following metals is the most ductile metal?

  • Gold
  • Aluminium
  • Copper
  • Tin
  • Correct Option: A  [ Gold ]

    Remark:

Saliva helps in the digestion of:

  • fats
  • starch
  • proteins
  • vitamins
  • Correct Option: B  [ starch ]

    Remark:

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