Purines found both in DNA and RNA are

Purines found both in DNA and RNA are
  1. Adenine and thymine
  2. Adenine and guanine
  3. Guanine and cytosine
  4. Cytosine and thymine

Solution

Two types of nitrogen bases are found in both DNA and RNA
Purines: include Adenine and Guanine
Pyrimidines: include cytosine, Thymine (exclusive for DNA), and Uracil (exclusive for RNA).

Asked in: NEET 2019 (All India)

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