a Complete the table below by responding to each statement  
Statement Starch Maltose Glycogen
Is a polymer of glucose yes no yes
Contains glycosidic bonds yes yes yes
Acts as an energy store in plant cells yes no no
Is a disaccharide no yes no
  Note 1 mark for each fully correct row (4)
b Describe how you would perform a test to check for the presence of starch  
  • Add iodine
  • Blue/black colour indicate starch present