Daily Updated MCQS

Q:Which acid is produced when milk gets sour?

  • (A)Acetic acid
  • (B)Tartaric acid
  • (C)Lactic acid
  • (D)Butyric acid
  • The Correct Answer is Lactic acid

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Q:Which of the following vitamins is synthesised in the body by intenstinal bacteria?

  • (A)Vitamin B1
  • (B)Vitamin B4
  • (C)Vitamin D
  • (D)Vitamin K
  • The Correct Answer is Vitamin K

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Q:The Magnalium is an alloy of what?

  • (A)Magnesium and Lead
  • (B)Aluminium and Magnesium
  • (C)Aluminium and Zinc
  • (D)Aluminium and Mercury
  • The Correct Answer is Aluminium and Magnesium

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Q:The metal that is occurred in the free state is

  • (A)Iron
  • (B)Lead
  • (C)Mercury
  • (D)Copper
  • The Correct Answer is Lead

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Q:What is the total energy of a revolving electron that is in an atom?

  • (A)Can have any value above zero
  • (B)Can never be positive
  • (C)Cannot be negative
  • (D)None of these
  • The Correct Answer is Can never be positive

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Q:Which element does not occur in nature but we can make it artificially?

  • (A)Uranium
  • (B)Plutonium
  • (C)Radium
  • (D)Thorium
  • The Correct Answer is Plutonium

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Q:An element that is required for the solar energy conversion is

  • (A)Ultra-pure carbon
  • (B)Beryllium
  • (C)Silicon
  • (D)Tantalum
  • The Correct Answer is Silicon

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Q:What is the ratio of pure gold in the 18 carat gold?

  • (A)0.5
  • (B)0.75
  • (C)0.8.5
  • (D)0.9
  • The Correct Answer is 0.75

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Q:The kind of soil that we treat with the gypsum for making it suitable for cropping is

  • (A)Acidic
  • (B)Alkaline
  • (C)Waterlogged
  • (D)Soil with excessive clay content
  • The Correct Answer is Alkaline

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Q:What is Mercury called?

  • (A)Shine Silver
  • (B)Slow Silver
  • (C)Quick Silver
  • (D)Slippery Silver
  • The Correct Answer is Quick Silver

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Q:The copper is refined by

  • (A)Zone Refining
  • (B)Oxidation
  • (C)Roasting
  • (D)Electrolysis
  • The Correct Answer is Roasting

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Q:Which of the following is an element?

  • (A)Ruby
  • (B)Sapphire
  • (C)Diamond
  • (D)Emerald
  • The Correct Answer is Diamond

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Q:Potassium Permanganate is used for purifying drinking water, because

  • (A)It is a sterilising agent
  • (B)It dissolves the impurities of water
  • (C)It is a reducing agent
  • (D)It is an oxidising agent
  • The Correct Answer is It is an oxidising agent

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Q:Which of the following metals remain in liquid for under normal conditions?

  • (A)Radium
  • (B)Zinc
  • (C)Uranium
  • (D)Mercury
  • The Correct Answer is Mercury

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