$A \xrightarrow{\mathrm{HOH} / \mathrm{H}^{+}}$glucose + fructose $B \xrightarrow{\mathrm{HOH} / \mathrm{H}^{+}}$glucose + glucose $C \xrightarrow{\mathrm{HOH} / \mathrm{H}^{+}}$glucose + galactose The disaccharides $A, B$ and $C$ respectively are

• A

  lactose, sucrose and maltose
• Correct answer
  B

  sucrose, maltose and lactose
• C

  sucrose, lactose and maltose
• D

  maltose, sucrose and lactose

Hence, the correct answer is option: 'B'.