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General Knowledge :: General Science

  1. Noise or Noise pollution measured in:

  2. A.

     Phon

    B.

     Deci

    C.

     Decibel

    D.

     Decimal


  3. Which layer protects earth from harmful rays of the Sun?

  4. A.

     Ionosphere

    B.

     Ozone layer

    C.

     Troposphere

    D.

     Magnetosphere


  5. Which is the absolute temperature scale?

  6. A.

     Celsius

    B.

     Fahrenheit

    C.

     Kelvin

    D.

     All of these


  7. What are metal bearing rocks called?

  8. A.

     Bitumen

    B.

     Bauxite

    C.

     Metalloids

    D.

     Ores


  9. The percentage of oxygen present in air is approximately-

  10. A.

     44%

    B.

     23%

    C.

     40%

    D.

     21%


  11. Newton is the unit of:

  12. A.

     Force

    B.

     Momentum

    C.

     Acceleration due to gravity

    D.

     Velocity


  13. Decibel is the unit used for:

  14. A.

     Speed of light

    B.

     Intensity of heat

    C.

     Intensity of sound

    D.

     Radio wave frequency