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General Science MCQ


Heat transfer horizontally within the atmosphere is called:

  • conduction
  • convection
  • absorption
  • advection
  • Correct Option: D  [ advection ]

    Remark:

When a sound wave goes from one medium to another, the quantity that remains unchanged is:

  • Frequency
  • Amplitude
  • Wavelength
  • Speed
  • Correct Option: A  [ Frequency ]

    Remark:

Heavy water is :

  • Ice
  • Water at 4 degree Celsius
  • Deuterium oxide
  • Solution of sugar and water
  • Correct Option: C  [ Deuterium oxide ]

    Remark:

Which one of the following hormone is called "Emergency Hormone"?

  • Insulin
  • Adrenaline
  • Thyroxine
  • Vasopressin
  • Correct Option: B  [ Adrenaline ]

    Remark:

Which one of the following has the highest fuel value ?

  • Hydrogen
  • Charcoal
  • Natural gas
  • Gasoline
  • Correct Option: A  [ Hydrogen ]

    Remark: "Hydrogen" has the highest calorific value among commonly used fuels because it has a very high energy content, undergoes complete combustion, has a high heat of combustion, and can be used in various applications.

The gas used for artificial ripening of green fruit is:

  • Ethylene
  • Ethane
  • Carbon dioxide
  • None of these
  • Correct Option: A  [ Ethylene ]

    Remark:

Neutron was discovered by:

  • J. Chadwick
  • J. J. Thomson
  • Rutherford
  • Neil Bohr
  • Correct Option: A  [ J. Chadwick ]

    Remark:

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is:

  • Argon
  • Xenon
  • Helium
  • Krypton
  • Correct Option: C  [ Helium ]

    Remark:

A concave lens always forms an image which is:

  • Real and erect
  • Virtual and erect
  • Real and inverted
  • Virtual and inverted
  • Correct Option: B  [ Virtual and erect ]

    Remark:

Bronchitis is a disease of :

  • Blood
  • Liver
  • Intenstine
  • Respiratory track
  • Correct Option: D  [ Respiratory track ]

    Remark:

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