CBSE  /  Class 12  /  Chemistry  /  Biomolecules

  • 1. 
    The a-and p-forms of glucose are

  • isomers of D (+) glucose and L (-) glucose respectively
  • diastereomers of glucose
  • anomers of glucose
  • isomers which differ in the configuration of C-2

  • 2. 
    What are the hydrolysis products of sucrose?

  • Fructose + Fructose
  • Glucose + Glucose
  • Glucose + Galactose
  • D-Glucose + D-Fructose

  • 3. 
    Carbohydrates are stored in human body as the polysaccharide

  • starch
  • glycogen
  • cellulose
  • amylose

  • 4. 
    The conversion of maltose into glucose is possible by the enzyme

  • zymase
  • lactase
  • maltase
  • diastase

  • 5. 
    Which of the following is a non-reducing sugar?

  • Glucose
  • Sucrose
  • Maltose
  • Lactose

  • 6. 
    Which one of the following is not correct?

  • D(-) Fructose exist sin furanose structure
  • D (+) Glucose exists in pyranose structure
  • In sucrose the two monosaccharides are held together by peptide linkage
  • Maltose is a reducing sugar

  • 7. 
    In cellulose, D-glucose units are joined by

  • α-1, 4 glycosidic linkage
  • β-1, 6 glycosidic linkage
  • β-1, 4 glycosidic linkage
  • peptide linkage

  • 8. 
    The anomeric carbon in D (+) glucose is

  • C-1 carbon
  • C-2 carbon
  • C-5 carbon
  • C-6 carbon

  • 9. 
    Glucose

  • hexanoic acid
  • gluconic acid
  • saccharic acid
  • bromohexane

  • 10. 
    How many C-atoms are there is a pyranose ring?

  • 3
  • 5
  • 6
  • 7
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