Question

Among the naturally occurring carbohydrates, furanose ring is found in the:

• A. glucose unit of cane sugar
• B. glucose unit of cellulose
• C. fructose unit of cane sugar
• D. galactose unit of lactose

Answer 1

Answer: (C)

fructose unit of cane sugar

Answer:- (C) fructose unit of cane sugar

Fructose also exists in cyclic form which is known as furanose with analogy to the compound furan which is a five-membered cyclic compound with one oxygen and four carbon atoms.