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Biomolecules Test - 11

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Biomolecules Test - 11
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Gun-cotton is

    Solution

    Gun-cotton is a nitrocellulose or cellulose trinitrate which is used in explosive and as a binder for solid rocket propellant.

     

  • Question 2
    1 / -0

    Which of the following is a carbohydrate?

    Solution

    Insulin is a carbohydrate which is stored in Roots of Dahliya.

     

  • Question 3
    1 / -0

    Glucose gives silver mirror with Tollen's reagent. It shows the presence of

    Solution

    Glucose + Tollen’s reagent → Gluconic acid + Ag-mirror.

     

  • Question 4
    1 / -0

    A certain compound gives negative test with ninhydrin and positive test with Benedict's solution. The compound is

    Solution

    Protein gives blue-violet colour with ninhydrin (2, 2-dihydroxyindane-1, 3-diene) Carbohydrates give brown-red ppt. with Benedict’s solution (Alk. CuSO4 + Citrate ions).

     

  • Question 5
    1 / -0

    Amylopectin is

    Solution

    Amylopectin is not soluble in water.

     

  • Question 6
    1 / -0

    Maltose contains how many oxygen atoms

    Solution

    C12H22O11 (Maltose)

     

  • Question 7
    1 / -0

    An enzyme which brings about the conversion of starch into maltose is known as

    Solution

    Starch → Maltose. (Diastase)

     

  • Question 8
    1 / -0

    Cane sugar on hydrolysis gives

    Solution

    C12H22O11 + H2O → C6H12O6 + C6H12O6

     

  • Question 9
    1 / -0

    A carbohydrate that cannot be hydrolysed to simpler forms is called

    Solution

    Monosaccharide cannot be hydrolyzed to simple forms.

     

  • Question 10
    1 / -0

    Optical activity is shown by

    Solution

    Glucose and sucrose are dextrorotatory Fructose is laevorotatory.

     

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