Based on 10-year NEET PYQ analysis (2014–2024). Use this table to build your study priority list before the NEET 2027 countdown begins.
| Chapter | Class | Avg Qs/Year | Marks Range | Priority | Key Topics | Resources |
|---|
Molecular Basis of Inheritance consistently has the highest NEET Biology weightage — 8 to 9 questions (32–36 marks) every year. It is followed by Principles of Inheritance and Variation (5–6 Qs) and Biotechnology: Principles and Processes (5–6 Qs).
Chapter-wise weightage is calculated by analysing the last 10 years of NEET official question papers (2014–2024), counting the number of questions set from each NCERT chapter, and computing the average.
Class 12 Biology typically contributes 55–60% of NEET Biology questions while Class 11 contributes 40–45%. However, high-yield Class 11 chapters like Biological Classification, Animal Kingdom, and Biomolecules must not be skipped.
NEET 2027 Biology section has 100 questions (50 Botany + 50 Zoology) worth 400 marks, out of 720 marks overall. Biology alone contributes 55.6% of the total NEET score.
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