Which of the following is incorrect with respect to fructose?

Fructose is commonly known as __

All monosaccharides are reducing sugars.

Glyceraldehyde is a carbohydrate.

The sequence in which amino acids are arranged in a protein is called __ structure.

A protein ‘X’ was found in a biological system with a unique 3-D structure and biological activity. ‘X’ is known as ___

DNA is a polynucleotide.

The condition of excess intake of vitamins is called ____