Assertion (A): In DNA molecule, two helical nucleic acid chains hold together. Reason (R): Hydrogen bonds play an important role in the structure of deoxyribonucleic acid.

Assertion (A): In DNA molecule, two helical nucleic acid chains hold t

1.	Assertion (A): In DNA molecule, two helical nucleic acid chains hold together. Reason (R): Hydrogen bonds play an important role in the structure of deoxyribonucleic acid.
Answer» Both (A) and (R) are CORRECT and (R) is the correct EXPLANATION of (A). Both (A) and (R) are correct but (R) is not the correct explanation of (A). (A) is correct but (R) is WRONG. (A) is wrong but (R) is correct. Answer :a