Which of the following is not a monosaccharide

If the carbonyl group is at an end of the carbon chain (that is, in an aldehyde group), the monosaccharide is an aldose; if the carbonyl group is at any other position (in a ketone group), the monosaccharide is a _________.

Which of the followings are monosaccharide？ A: Fructose B: Glucose C: Sucrose D: Galactose

5. Of the same concentration, which one has higher viscosity? A: Monosaccharide; B: Polysaccharide; C: Disaccharide; D: Trisaccharide

Under the same concentration, which one has higher viscosity? A: Monosaccharide B: Polysaccharide C: Disaccharide D: Trisaccharide

Answer the following questions to check if you understand the material.Which of the following is not a monosaccharide A: Fructose B: Maltose C: Galactose D: Glucose