Answer : The correct option is, monosaccharide
Explanation :
Monosaccharide : It is the simple form of the carbohydrate and the sugar.
For example : Glucose, fructose and galactose are the examples of monosaccharide.
Disaccharide : it is formed by the two molecules of sugar. That means it is formed by the loss of water molecule for each linkage formed between the two sugar molecule.
For example : Sucrose and lactose are the examples of disaccharide.
Starch : It is a polysaccharide which are formed by the two or more molecules of sugar.
Amino acid : It is an organic compound that contains both amino [tex](-NH_2)[/tex] and carboxyl [tex](-COOH)[/tex] groups.
Hence, the given compound is a monosaccharide molecule.
