Question

Sugar found in DNA is

• A. Dextrose
• B. Levulose
• C. Glucose
• D. Deoxyribose

Answer 1

Answer: (D)

Deoxyribose

DNA has deoxyribose sugar while RNA has ribose sugar. The deoxyribose sugar has hydrogen at second carbon while the ribose sugar has the hydroxyl group at the second carbon of the hexose ring. Ribose sugar is a monosaccharide which has five carbon atom. C${}_5$H${}_{10}$O${}_5$ is the chemical formula of ribose and it is a pentose sugar.

So, the correct answer is option D.