Chemistry-Nucleic Acids

NEET Chemistry Nucleic Acids Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): DNA contains thymine while RNA contains uracil. | Reason (R): The sugar present in DNA is 2-deoxyribose, while in RNA it is ribose.

A

Both A and R are true, and R is the correct explanation of A.

B

Both A and R are true, but R is not the correct explanation of A.

C

A is true, but R is false.

D

A is false.

Correct Answer

Option B

Detailed Explanation

Both DNA and RNA have different bases: DNA has thymine and RNA has uracil, but this difference is due to their nucleotide composition, not the sugar type.

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