CBSE  /  Class 12  /  Chemistry  /  Biomolecules

  • 1. 
    During acetylation of glucose it needs ,v moles of.acetic anhydride. The value of x would be

  • 3
  • 5
  • 4
  • 1

  • 2. 
    On oxidation with a mild oxidising agent like Br

  • saccharic acid
  • glucaric acid
  • gluconic acid
  • valeric acid

  • 3. 
    Invert sugar is

  • a type of cane sugar
  • optically inactive form of sugar
  • mixture of glucose and galactose
  • mixture of glucose and fructose in equimolar quantities

  • 4. 
    Which of the following compounds is found abundatly in nature?

  • Fructose
  • Starch
  • Glucose
  • Cellulose

  • 5. 
    Glycosidic linkage is an

  • amide linkage
  • ester linkage
  • ether linkage
  • acetyl linkage

  • 6. 
    Starch is composed of two polysaccharides which arc

  • amylopectin and glycogen
  • amylose and gtycogen
  • amylose (20%) and amylopectin (80%)
  • cellulose and glycogen

  • 7. 
    Maltose is made up of

  • two α-D-glucose
  • normal β-D-glucose
  • α- and β-D-glucose
  • fructose

  • 8. 
    Whicn of the following is an example of an aldopentose?

  • D-Ribose
  • Glyceraldehyde
  • Fructose
  • Erythrose

  • 9. 
    Identify Z. (a) 2-lodoheptane

  • 10. 
    Which of the following treatment will convert starch directly into glucose?

  • Heating with dilute H
  • Fermentation by diastase
  • Fermentation by zymase
  • Heating with dilute NaOH
Report Question
warning
Practice More On Biomolecules
Quiz 1 Quiz 2 Quiz 3 Quiz 4
access_time
  Time