NEET UG · Biology · Molecular Basis of Inheritance
Chargaff's Rules
NEET asked Chargaff's Rules once in 2017–2026, in 2021. 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
- 2021
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2021.
How NEET framed it
Numerical is the usual form. Skill tested: calculation.
- Numerical
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.
- 2021 Q172If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it ?Numerical · Easy
Papers: NEET 2021.
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
- Hydrogen Bond Countonce · 2020
- Purines vs Pyrimidinesonce · 2019
- H1 Linker Histoneonce · 2017