Question

Assertion(A): Purine bases present in DNA are adenine and guanine.
Reason(R): The base uracil is present in DNA whereas the base thymine is present in RNA.

• 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 a correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Answer 1

The correct option is C A is true but R is false

Purine bases present in DNA are adenine and guanine, as they are derived from purine rings. The base uracil is present in RNA whereas the base thymine is present in DNA.