Q151 / 180 · NEET 2019 (All India) · Zoology

Purines found both in DNA and RNA are

  • A
    Adenine and thymine
  • Correct answer
    B
    Adenine and guanine
  • C
    Guanine and cytosine
  • D
    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).

Hence, the correct answer is option: 'B'.

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