Which of the following is $NOT$ a disaccharide?

In addition to the aldehyde group,glucose contains . . . . . . .

Which of the following $n$ mole molecules of carbohydrate contains $2n$ mole molecules of galactose,$n$ moles of glucose,and $n$ moles of fructose upon hydrolysis?

Natural glucose is termed $D$-glucose because

Lactose is a disaccharide of

Identify the correct statement about glucose from the following.