NEET Chemistry Nucleic Acids Assertion Reason Question
Assertion (A): DNA contains the base thymine, while RNA contains the base uracil.
Reason (R): Thymine and uracil are structurally identical, allowing them to interchange roles in nucleic acids.
Both (A) and (R) are true, and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false.
Correct Answer
Detailed Explanation
The NCERT context states that DNA contains thymine, while RNA contains uracil. However, thymine and uracil are not structurally identical, and thus (R) is false.
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