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General Science MCQ


Nitrogen is an essential constituent of all:

  • Carbohydrates
  • Fats
  • Proteins
  • Vitamins
  • Correct Option: C  [ Proteins ]

    Remark:

Oxygen liberated during photosynthesis comes from:

  • water
  • carbon dioxide
  • glucose
  • Both carbon dioxide and glucose.
  • Correct Option: A  [ water ]

    Remark:

Which of the following statements is correct ?

  • Red insulated wire is called 'live' wire
  • Black insulated wire is called 'neutral' wire
  • Green insulated wire is called 'earthing'
  • All of the above
  • Correct Option: D  [ All of the above ]

    Remark:

Which kind of lens is used in microscope ?

  • Convex
  • Concave
  • Biconvex and concave
  • Biconcave
  • Correct Option: A  [ Convex ]

    Remark:

The element used for vulcanizing rubber is:

  • sulphur
  • bromine
  • silicon
  • phosphorus
  • Correct Option: A  [ sulphur ]

    Remark:

Which of the following micro-organism causes diseases like polio and chicken pox?

  • Bacteria
  • Protozoa
  • Algae
  • Virus
  • Correct Option: D  [ Virus ]

    Remark:

What does 'GM' stand for in GM food?

  • Generally modified
  • Genetically modified
  • Genetically medicated
  • None of these
  • Correct Option: B  [ Genetically modified ]

    Remark:

Intestinal bacteria synthesizes which vitamin in the human body?

  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Vitamin K
  • Correct Option: D  [ Vitamin K ]

    Remark:

Which of the following is an anaesthetic gas ?

  • Nitrogen dioxide
  • Nitrous oxide
  • Nitric oxide
  • Nitrogen
  • Correct Option: B  [ Nitrous oxide ]

    Remark:

Humidity is a measure of

  • pressure in the air
  • viscosity of the air
  • air resistance
  • moisture in air
  • Correct Option: D  [ moisture in air ]

    Remark:

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