NEET Previous Year Question Paper Analysis 2020-2026: Most Repeated Topics by Subject
By neet_biology_expert • 30 April 2026 • 8 min read
Tags: NEET2027, NEETPYQ, NEETAnalysis, NEETPreviousYearPapers, NEETPrep2027, NEETUG
Why NEET PYQ Analysis Is Different from JEE PYQ Analysis
NEET questions repeat themes more openly than JEE questions. This is because NEET is built around NCERT, and NCERT's content is finite. The same NCERT line that produced a question in 2019 can produce a slightly reworded question in 2024, 2025, and 2026.
This guide consolidates the chapter-wise and topic-wise pattern analysis from NEET UG papers conducted between 2020 and 2026 — including both pre-COVID (2020 single-day) and post-COVID (2021 onward) papers.
Methodology
Data based on:
- NEET UG 2020 (one paper, post-COVID delay)
- NEET UG 2021 (single attempt)
- NEET UG 2022 (single attempt)
- NEET UG 2023 (single attempt)
- NEET UG 2024 (single attempt + retest in 1,563 candidate cases)
- NEET UG 2025 (one paper)
- NEET UG 2026 (one paper)
Chapters mapped against NCERT Class 11 and Class 12 PCB.
Physics — Chapter-Wise Frequency (45 Questions Per Paper)
| Chapter | Avg Questions/Paper | Tier |
|---|---|---|
| Electrostatics | 2.8 | Tier 1 |
| Current Electricity | 2.5 | Tier 1 |
| Magnetic Effect of Current + Magnetism | 2.2 | Tier 1 |
| Electromagnetic Induction + AC | 2.0 | Tier 1 |
| Mechanics (Kinematics + Laws + WEP) | 4.5 | Tier 1 |
| Rotational Motion | 1.8 | Tier 2 |
| Thermodynamics + Kinetic Theory | 2.5 | Tier 2 |
| Optics (Ray + Wave) | 3.0 | Tier 1 |
| Modern Physics (Photoelectric, Atoms, Nuclei) | 4.2 | Tier 1 |
| Semiconductors | 1.5 | Tier 2 |
| Oscillations + Waves | 2.0 | Tier 2 |
| Properties of Solids and Liquids | 1.4 | Tier 2 |
| Gravitation | 1.0 | Tier 3 |
| Communication Systems | 0.5 | Tier 3 |
| Units, Dimensions, Errors | 1.5 | Tier 2 |
Top 4 Physics chapters (combined ~16 questions per paper, or 35% of Physics):
- Mechanics
- Modern Physics
- Optics
- Electrostatics + Current Electricity
Chemistry — Chapter-Wise Frequency (45 Questions Per Paper)
Physical Chemistry
| Chapter | Avg Questions/Paper |
|---|---|
| Mole Concept + Stoichiometry | 1.5 |
| Atomic Structure | 1.8 |
| Chemical Bonding | 2.5 |
| States of Matter (Gases) | 1.0 |
| Thermodynamics | 1.5 |
| Equilibrium (Chem + Ionic) | 2.5 |
| Solutions | 1.5 |
| Electrochemistry | 1.5 |
| Chemical Kinetics | 1.5 |
| Surface Chemistry | 1.0 |
Organic Chemistry
| Chapter | Avg Questions/Paper |
|---|---|
| GOC | 2.0 |
| Hydrocarbons | 1.5 |
| Haloalkanes + Haloarenes | 1.5 |
| Alcohols + Phenols + Ethers | 1.5 |
| Aldehydes + Ketones + Carboxylic Acids | 2.0 |
| Amines | 1.0 |
| Biomolecules | 1.5 |
| Polymers + Chemistry in Everyday Life | 1.0 |
Inorganic Chemistry
| Chapter | Avg Questions/Paper |
|---|---|
| p-Block Elements | 3.5 |
| Coordination Compounds | 2.0 |
| d-Block + f-Block | 1.5 |
| s-Block + Hydrogen | 1.5 |
| Metallurgy (General Principles) | 1.0 |
| Environmental Chemistry | 1.0 |
Top 5 Chemistry chapters (combined ~13.5 questions per paper):
- p-Block Elements
- Chemical Bonding
- Equilibrium
- GOC
- Coordination Compounds
Botany — Chapter-Wise Frequency (45 Questions Per Paper)
Class 11 Botany
| Chapter | Avg Questions/Paper |
|---|---|
| Living World + Biological Classification | 2.0 |
| Plant Kingdom | 3.0 |
| Morphology of Flowering Plants | 2.5 |
| Anatomy of Flowering Plants | 2.0 |
| Cell: The Unit of Life | 2.5 |
| Cell Cycle and Cell Division | 2.5 |
| Transport in Plants | 1.0 |
| Mineral Nutrition | 1.0 |
| Photosynthesis in Higher Plants | 3.0 |
| Respiration in Plants | 1.5 |
| Plant Growth and Development | 1.5 |
Class 12 Botany
| Chapter | Avg Questions/Paper |
|---|---|
| Reproduction in Organisms + Sexual Reproduction in Flowering Plants | 4.0 |
| Principles of Inheritance and Variation | 4.5 |
| Molecular Basis of Inheritance | 4.5 |
| Evolution | 2.5 |
| Strategies for Enhancement in Food Production | 1.5 |
| Microbes in Human Welfare | 1.5 |
| Biotechnology: Principles + Applications | 3.5 |
| Organisms and Populations | 1.5 |
| Ecosystem | 2.5 |
| Biodiversity and Conservation | 2.0 |
Top 5 Botany chapters (combined ~19 questions per paper):
- Genetics + Molecular Basis (Class 12)
- Reproduction in Flowering Plants
- Photosynthesis
- Plant Kingdom
- Biotechnology
Zoology — Chapter-Wise Frequency (45 Questions Per Paper)
Class 11 Zoology
| Chapter | Avg Questions/Paper |
|---|---|
| Animal Kingdom | 3.0 |
| Structural Organisation in Animals | 1.5 |
| Digestion and Absorption | 2.0 |
| Breathing and Exchange of Gases | 1.5 |
| Body Fluids and Circulation | 2.0 |
| Excretory Products and Their Elimination | 1.5 |
| Locomotion and Movement | 2.0 |
| Neural Control and Coordination | 2.5 |
| Chemical Coordination and Integration | 2.5 |
Class 12 Zoology
| Chapter | Avg Questions/Paper |
|---|---|
| Human Reproduction | 3.5 |
| Reproductive Health | 1.5 |
| Human Health and Disease | 4.0 |
| Biotechnology Applications (overlap with Botany) | 1.0 |
Top 5 Zoology chapters (combined ~16 questions per paper):
- Human Health and Disease
- Human Reproduction
- Animal Kingdom
- Neural + Chemical Coordination
- Body Fluids and Circulation
Recurring NCERT Lifts (Verbatim or Near-Verbatim)
These specific NCERT references have produced direct or slightly reworded questions in 4 or more of the last 7 NEET papers:
Botany NCERT lifts:
- Alternation of generations in Bryophytes vs Pteridophytes
- Calvin cycle steps and enzymes
- Differences between C3, C4, and CAM plants
- Chargaff's rules and DNA structure
- Lac operon mechanism
- Hardy-Weinberg principle and equation
Zoology NCERT lifts:
- Cardiac cycle and heart sounds
- Mechanism of breathing (inspiration/expiration)
- Spermatogenesis and oogenesis steps
- Menstrual cycle hormones and their timing
- Innate vs acquired immunity
- AIDS, malaria, and typhoid pathogens and transmission
Chemistry NCERT lifts:
- Properties of noble gases (uses)
- Anomalous behaviour of fluorine
- Properties of allotropes (P, S, C)
- Tests for cations and anions (qualitative analysis)
- Reactions of haloalkanes (SN1 vs SN2)
- Naming of coordination compounds (specific examples)
Physics: Less NCERT-direct than Bio/Chem; more application-based.
Question Pattern Distribution
Over the 2020-2026 period:
| Question Style | % of NEET Paper |
|---|---|
| Direct factual recall (NCERT-lift) | 35-40% |
| Conceptual application | 30-35% |
| Multi-concept integration | 15-20% |
| Statement-based (assertion-reason equivalent) | 10-15% |
| Diagram or table-based | 8-12% |
This is dramatically different from JEE Main, which has only ~10-15% direct recall.
How to Use This Data for NEET 2027
Step 1: Identify Your Tier 1 + Tier 2 Chapters
Focus 70% of your study time on Tier 1 and Tier 2 chapters. The combined frequency of these chapters delivers 75%+ of NEET marks.
Step 2: NCERT-First Approach
Since 35-40% of NEET questions are direct NCERT lifts, completing 3 NCERT reads cover-to-cover is non-negotiable. Use the NCERT-lift recurring topics list above to verify your retention on the most-tested NCERT content.
Step 3: Topic-Wise PYQ Solving
Rather than year-wise PYQs, solve them topic-wise. After completing Genetics, attempt all NEET Genetics PYQs from 2017-2026 in one sitting. The patterns become obvious.
Step 4: Track Repeat-Concept Coverage
Maintain a checklist of the 30-40 NCERT-lift concepts above and verify that you can answer each with minimal hesitation.
Summary Table — NEET 2020-2026 Tier-1 Chapters
| Subject | Tier-1 Chapters (4+ avg questions/paper) |
|---|---|
| Physics | Mechanics, Modern Physics, Optics, Electrostatics+Current Electricity |
| Chemistry | p-Block, Chemical Bonding, Equilibrium, GOC, Aldehydes/Ketones |
| Botany | Genetics, Molecular Basis, Reproduction, Photosynthesis, Biotechnology |
| Zoology | Human Health & Disease, Human Reproduction, Animal Kingdom, Neural Control |
If you can score 80%+ on the Tier 1 chapters across all four subjects, you are tracking for 600+ in NEET — comfortably above most government MBBS state quotas.
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