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Everyday Science Mcqs

Ozone layer prevents ______________ radiation from entering the atmosphere

  • (A)  Infra-red
  • (B)  Ultraviolet
  • (C)  X-rays
  • (D)  Gamma rays
  • (E)  None of these
Submitted By :Ali Uppal

Which one of the following is a non_metallic mineral

  • (A)  Manganese
  • (B)  Magnesium
  • (C)  Gypsum
  • (D)  Bauxite
  • (E)  None of these
Submitted By :Ali Uppal

Sedimentary rocks are__________

  • (A)  Porous
  • (B)  Hard
  • (C)  Rough
  • (D)  Brittle
  • (E)  Volcanic
Submitted By :Ali Uppal

A moderator is used in nuclear reactor in order to

  • (A)  Accelerate the neutrons
  • (B)  Slow down the speed of the neutrons
  • (C)  Increase the number of elections
  • (D)  Decrease the number of electrons
  • (E)  None of these
Submitted By :Ali Uppal

Which of the following atmospheric layers help in radio communication

  • (A)  Exosphere
  • (B)  Ionosphere
  • (C)  Troposphere
  • (D)  Stratosphere
  • (E)  Ozone layer
Submitted By :Ali Uppal

Monsoon is caused by____________________

  • (A)  Seasonal reversal of winds
  • (B)  Revolution of earth
  • (C)  Movement of clouds
  • (D)  Rise in temperature
  • (E)  Rain forests
Submitted By :Ali Uppal

Fuel used in a Fast Breeder Reactor is _____________

  • (A)  Uranium Oxide
  • (B)  Uranium Plutonium carbide
  • (C)  Uranium Plutonium Oxide
  • (D)  Uranium thorium Oxide
  • (E)  None of these
Submitted By :Ali Uppal

Kilowatt_hour is a unit of____________

  • (A)  Power
  • (B)  Electric Current
  • (C)  Energy
  • (D)  Time
  • (E)  None of these
Submitted By :Ali Uppal

The term 'Blue Shift' is used to indicate

  • (A)  Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
  • (B)  Turning a star from white to blue
  • (C)  In future sun would become blue
  • (D)  Black hole was blue at its start
  • (E)  None of these
Submitted By :Ali Uppal

The half life of a radioactive element is 8_days How long it take to reduce it from 10 mg to 5 mg

  • (A)  4 days
  • (B)  12 days
  • (C)  16 days
  • (D)  8 days
  • (E)  None of these
Submitted By :Ali Uppal

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