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ICSE Class 10 Biology Question 12 of 18

Structure of Chromosomes, Cell Cycle and Cell Division — Question 16

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Question

Question 16

The pyrimidine bases of DNA are:

  1. Adenine and Guanine
  2. Guanine and Cytosine
  3. Adenine and Thymine
  4. Thymine and Cytosine
Answer

Thymine and Cytosine

Reason — Thymine and Cytosine are pyrimidine; and Adenine and Guanine are purine.