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General Science MCQ


Which of the following is not a property of heavy water ?

  • Boiling point of heavy water is lower than that of ordinary water
  • density of heavy water is higher than that of ordinary water
  • freezing point of heavy water is higher than that ordinary water
  • it produces corrosion
  • Correct Option: A  [ Boiling point of heavy water is lower than that of ordinary water ]

    Remark:

The element common to all acids is :

  • Oxygen
  • Hydrogen
  • Nitrogen
  • Sulphur
  • Correct Option: B  [ Hydrogen ]

    Remark:

The only snake that builds its nest is:

  • Krait
  • King cobra
  • Chain viper
  • Saw scaled viper
  • Correct Option: B  [ King cobra ]

    Remark:

A solar eclipse occurs when the :

  • earth comes between the Sun and the Moon
  • Sun comes between the earth and the moon
  • Moon is at right angle to the earth
  • Moon comes between the Sun and the Earth
  • Correct Option: D  [ Moon comes between the Sun and the Earth ]

    Remark:

The phenomenon of radioactivity was discovered by:

  • Marie Curie
  • Pierre Curie
  • Henri Becquerel
  • J J Thomson
  • Correct Option: C  [ Henri Becquerel ]

    Remark:

Which of the following statements is not correct ?

  • Rh+ person can donate blood to Rh+ person
  • Rh- person can donate blood to Rh- person
  • Rh- person can donate blood to Rh+ person
  • Rh+ person can donate blood to Rh- person
  • Correct Option: D  [ Rh+ person can donate blood to Rh- person ]

    Remark:

The longest day in the southern Hemisphere is on :

  • 22nd December
  • 21st June
  • 21st March
  • 23rd September
  • Correct Option: A  [ 22nd December ]

    Remark:

Widal test is employed to diagnose:

  • Typhoid
  • Cholera
  • Tuberculosis
  • AIDS
  • Correct Option: A  [ Typhoid ]

    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.

Who invented insulin?

  • Jonas E. Salk
  • Alexander Fleming
  • F. Banting
  • Roentgen
  • Correct Option: C  [ F. Banting ]

    Remark:

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