JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 23 January 2026 Paper Shift -2 Single Correct MCQ
Published on: August 14, 2026

Both human DNA and RNA are chiral molecules. The chirality in DNA and RNA arises due to the presence of

A
Base unit
B
Chiral phosphate unit
C
D-sugar component
D
L-sugar component

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The correct answer is:
C

DNA & RNA are chiral molecules due to presence of chiral 2-deoxy-Ribose & Ribose sugar unit respectively.

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