The pyrimidine bases present in $DNA$ are

Identify the nitrogen atom of a purine base that bonds with the $1^{\prime}$ carbon of ribose to form a ribonucleoside.

Which of the following nitrogen bases of nucleic acids is derived from purine?

Which one of the following bases is $not$ present in $DNA$?

Which of the following is not present in nucleic acids?

Given below are two statements:
Statement $I$: Cytosine and guanine are formed in equal quantities in $DNA$ hydrolysis.
Statement $II$: Adenine and uracil are formed in equal quantities in $RNA$ hydrolysis.
The correct answer is: