Back to quiz

6. What is a monosaccharide?

  • A fatty acid
  • A double sugar unit
  • A single sugar unit
  • A lipid

7. What is the test for starch ?

  • Benedict's test
  • Iodine test
  • Biuret test
  • Emulsion test

8. What colour indicates a positive result for the Benedict's test?

  • Purple
  • Brick red
  • Blue
  • White

9. How do you test for a reducing sugar?

  • Dissolve in ethanol
  • Add Benedict's reagent
  • Add Benedict's reagent and heat
  • Add Biuret solution

10. What type of bond is formed between 2 monosaccharides?

  • Ester
  • Double
  • Glycosidic
  • Peptide

11. What colour indicates a positive result for a protein?

  • Purple
  • Blue
  • Red
  • Copper

12. Which do these is not a carbohydrate?

  • Starch
  • Cellulose
  • Lipid
  • Glycogen

13. Name a non- reducing disaccharide?

  • Fructose
  • Maltose
  • Sucrose
  • Glucose

14. What shows a positive result for a lipid?

  • Red
  • Purple
  • Cloudy emulsion
  • Blue

15. What is the formula for glucose?

  • C6H6O6
  • C10H12O6
  • C6H12O6
  • C12H12O6

16. What is an unsaturated lipid at room temperature?

  • Solid
  • Fat
  • Oil
  • Butter

17. What type of bond is formed between 2 amino acids?

  • Peptide
  • Double
  • Glycosidic
  • Ester