NEET UG · Biology · Molecular Basis of Inheritance
Purines vs Pyrimidines
NEET asked Purines vs Pyrimidines once in 2017–2026, in 2019. It belongs to DNA Double Helix, in Molecular Basis of Inheritance (Biology).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2019
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2019.
How NEET framed it
One-line MCQ is the usual form. Skill tested: recall.
- Identify bases common to dna and rna
Chance asked next paper 4%
Every question
The question
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2019 Q115Purines found both in DNA and RNA are :One-line MCQ · Easy
Papers: NEET 2019.
Same topic
Other ideas in DNA Double Helix
DNA Double Helix has 12 ideas NEET has asked; 4 of them came up in more than one question.
- Euchromatin vs Heterochromatin2× · 2025
- Histone Amino Acid Composition2× · 2025
- Hershey-Chase Experiment2× · 2023
- DNA Length Calculation2× · 2022
- RNA World Structural Evidenceonce · 2025
- Nucleosome Structureonce · 2023
- RNA Mutation Rateonce · 2023
- Central Dogmaonce · 2021
- Chargaff's Rulesonce · 2021
- Hydrogen Bond Countonce · 2020
- H1 Linker Histoneonce · 2017