Question

glucose and galactose bond to form
sucrose,
maltose.
lactose.
fructose.
cellulose.

Explanation:

Disaccharides form when two monosaccharides bond. Sucrose comes from glucose + fructose, maltose from two glucose molecules, lactose from glucose + galactose, fructose is a monosaccharide, and cellulose is a polysaccharide made of many glucose units.

Answer:

lactose.