Question

Which one of the following statements is correct?

• A. Starch on complete hydrolysis gives fructose
• B. Lactose on hydrolysis gives glucose and fructose
• C. Glucose on slow oxidation to $CO _{2}$ and $H _{2} O$ by enzyme does not liberate energy
• D. Cellulose is not digestible in human body

Answer 1

Answer: (D)

Cellulose is a polysaccharide which holds or binds many small monosaccharide units together by glycosidic bonds. The type of glycosidic bond present is of $(\beta)-1,4$ bond. Which cannot be broken down by enzymes present in human body. Thus, we cannot digest cellulose.