Which of the following are purine bases?
(a) Guanine
(b) Adenine
(c) Thymine
(d) Uracil
Which of the following are purine bases?
(a) Guanine
(b) Adenine
(c) Thymine
(d) Uracil
This is a Multiple Answer Type Questions as classified in NCERT Exemplar
Correct options are a and b.
Purines are made up of a six-membered nitrogen-containing ring joined with a five-membered nitrogen-containing ring.
Purine bases are guanine and adenine, while pyrimidine bases are thymine and uracil.
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Chemistry NCERT Exemplar Solutions Class 12th Chapter Fourteen 2025
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