Biomolecules · NEET Preparation Zoology
Identify the correct pairing of the nitrogenous base with its respective category among purines and pyrimidines.
Practice question from Biomolecules (NEET Preparation Zoology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-08862D
Identify the correct pairing of the nitrogenous base with its respective category among purines and pyrimidines.
- A.Adenine and Cytosine - Purines
- B.Guanine and Uracil - Pyrimidines
- C.Cytosine and Thymine - PyrimidinesCorrect answer
- D.Thymine and Adenine - Pyrimidines
Solution
Cytosine, thymine, and uracil are pyrimidines (single-ring structures), whereas adenine and guanine are purines (double-ring structures).
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