Answer:
The correct answer is monosaccharide.
Step-by-step explanation:
Carbohydrates that are generally known as polysaccharides are formed of monomers known as monosaccharide. The monosaccharides are considered as the basic sugar as it comprises one sugar unit, which cannot be dissociated further into simpler forms. Monosaccharides are considered as the fundamental unit of carbohydrates.