Assertion (A): In DNA molecule, two heli...

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.

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.

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The correct Answer is:

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Assertion(A): P-nitro phenol is a stronger acid than o-nitro phenol. Reason (R): Intra molecular hydrogen bonding in o-nitro phenol make it as a weaker acid.

Both A and R correct and R is the correct explanation of A.

Both A are wrong

A is correct but R is wrong

A is wrong but R is correct

Both (A) and (R ) are correct, (R ) explains (A)

(A) is correct but (R ) is wrong

(A) is wrong but (R ) is correct

Both (A) and (R ) are correct, but (R ) doesn't explain (A)

Both (A) and (R) are wrong

(A) is correct and (R) explains (A)

(A) is wrong and (R) is correct

(A) is correct and (R) is wrong