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Biology is the most scoring section of NEET 2026, with NCERT as its core resource. The right NEET biology study material ensures consistency, confidence, and higher cut-off success. This guide covers NCERT-based Class 11 & 12 topics, weightage insights, and practical exam strategies.
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Class 11 Biology lays the groundwork for NEET by introducing the basics of diversity, cell biology, plant physiology, and human physiology. Most questions are NCERT-based, making clear concepts and regular diagram practice essential for scoring well.
| Unit | NCERT Reference |
| Unit 1: Diversity of the Living World | Chapter 1–4 |
| Unit 2: Structural Organisation in Animals and Plants | Chapter 5–7 |
| Unit 3: Cell Structure and Function | Chapter 8–10 |
| Unit 4: Plant Physiology | Chapter 11–15 |
| Unit 5: Human Physiology | Chapter 16–22 |
| Units | Chapters (NCERT) | Chapter No. |
| Unit 1: Diversity of the Living World | The Living World | Chapter 1 |
| Biological Classification | Chapter 2 | |
| Plant Kingdom | Chapter 3 | |
| Animal Kingdom | Chapter 4 | |
| Unit 2: Structural Organisation in Animals and Plants | Morphology of Flowering Plants | Chapter 5 |
| Anatomy of Flowering Plants | Chapter 6 | |
| Structural Organisation in Animals | Chapter 7 | |
| Unit 3: Cell Structure and Function | Cell: The Unit of Life | Chapter 8 |
| Biomolecules | Chapter 9 | |
| Cell Cycle and Cell Division | Chapter 10 | |
| Unit 4: Plant Physiology | Transport in Plants | Chapter 11 |
| Mineral Nutrition | Chapter 12 | |
| Photosynthesis in Higher Plants | Chapter 13 | |
| Respiration in Plants | Chapter 14 | |
| Plant Growth and Development | Chapter 15 | |
| Unit 5: Human Physiology | Digestion and Absorption | Chapter 16 |
| Breathing and Exchange of Gases | Chapter 17 | |
| Body Fluids and Circulation | Chapter 18 | |
| Excretory Products and Their Elimination | Chapter 19 | |
| Locomotion and Movement | Chapter 20 | |
| Neural Control and Coordination | Chapter 21 | |
| Chemical Coordination and Integration | Chapter 22 |
Class 12 Biology covers human physiology, genetics, molecular biology, ecology, and applied sciences. The NCERT textbook is the core source for NEET, with most questions linked directly to its concepts and diagrams. Focus on the latest NCERT edition, practice past papers, and apply concepts deeply to score well.
| Unit | NCERT Reference |
| Unit 6: Reproduction | Chapter 1-4 |
| Unit 7: Genetics and Evolution | Chapter 5-7 |
| Unit 8: Biology and Human Welfare | Chapter 8-10 |
| Unit 9: Biotechnology | Chapter 11-12 |
| Unit 10: Ecology | Chapter 13-16 |
| Unit | Chapters (NCERT) | Chapter No. |
| Unit 6: Reproduction | Reproduction in Organisms | Chapter 1 |
| Sexual Reproduction in Flowering Plants | Chapter 2 | |
| Human Reproduction | Chapter 3 | |
| Reproductive Health | Chapter 4 | |
| Unit 7: Genetics and Evolution | Principles of Inheritance and Variation | Chapter 5 |
| Molecular Basis of Inheritance | Chapter 6 | |
| Evolution | Chapter 7 | |
| Unit 8: Biology and Human Welfare | Human Health and Disease | Chapter 8 |
| Strategies for Enhancement in Food Production | Chapter 9 | |
| Microbes in Human Welfare | Chapter 10 | |
| Unit 9: Biotechnology | Biotechnology – Principles and Processes | Chapter 11 |
| Biotechnology and Its Applications | Chapter 12 | |
| Unit 10: Ecology | Organisms and Populations | Chapter 13 |
| Ecosystem | Chapter 14 | |
| Biodiversity and Conservation | Chapter 15 | |
| Environmental Issues | Chapter 16 |
Understanding past weightage helps allocate study time efficiently. The NEET paper historically assigns more questions to a subset of Class 11 biology chapters, with variability across years. This table provides a representative snapshot of how Class 11 chapters contributed to NEET in the past. Use these insights as a guide rather than a fixed rule, and verify against the latest official papers and credible analytics for the current cycle.
| Chapter (NCERT) | % of NEET Questions (Past Years) | Approx. No. of Questions |
| The Living World | 8–12% | 3–5 Questions |
| Biological Classification | 6–9% | 2–4 Questions |
| Plant Kingdom | 4–7% | 2–3 Questions |
| Animal Kingdom | 4–7% | 2–3 Questions |
| Morphology of Flowering Plants | 3–6% | 1–3 Questions |
| Cell: The Unit of Life | 7–12% | 3–5 Questions |
| Biomolecules | 4–8% | 2–3 Questions |
| Mineral Nutrition (Nutrition in Plants) | 3–6% | 1–3 Questions |

Notes: Percentages are approximate and reflect historical trends across multiple papers. NEET paper setters can shift emphasis, so verify against the most recent solved papers and official NEET analyses while planning your revision schedule.
Class 12 weightage patterns are similar in structure but demand deeper conceptual clarity and application. The following table summarizes typical weight patterns across major Class 12 biology chapters. Use these insights to prioritize high-yield topics while ensuring a balanced revision of other chapters that may show up in the exam in any given year.
| Chapter (NCERT) | % of NEET Questions (Past Years) | Approx. No. of Questions |
| Reproduction | 9–14% | 4–6 Questions |
| Genetics and Evolution | 10–16% | 5–7 Questions |
| Biotechnology and Its Applications | 5–9% | 2–4 Questions |
| Ecology and Environment | 8–12% | 3–5 Questions |
| Biomolecules (already in Class 11, but if carried forward) | 4–7% | 2–3 Questions |
| Cell Cycle and Transport (Cell Cycle in Class 11, Transport in Plants Class 11 check placement) | 4–8% | 2–3 Questions |
| Human Health and Diseases | 6–11% | 3–5 Questions |
Having a consolidated set of study resources streamlines preparation, especially for NRIs juggling different time zones and schedules. The table below catalogs key NEET study resources available for 2026, with quick notes on what you gain and how it helps you stay aligned with the NEET syllabus and weightage expectations.
| NEET All Study Materials | Resource |
| NEET Study Materials 2026 | Download PDF |
| NEET Syllabus 2026 | Download PDF |
| NEET Preparation Books | Download PDF |
| NEET Sample Papers | Download PDF |
| NEET Question Paper | Download PDF |
| NEET Past Year Question Paper | Download PDF |
| NEET Exam Brochure | Download PDF |
High-quality Biology study material is the backbone of NEET preparation because Biology carries the highest weightage in the exam. Good material helps set the pace of learning, ensures complete coverage of the NCERT syllabus, and builds strong conceptual clarity. Since nearly 70% of NEET questions come directly from NCERT Biology (Class 11 & 12), using resources aligned with NCERT gives students a dependable foundation.
For NRI students, structured Biology material is especially useful as it reduces the challenge of adjusting to different curricula and ensures they stay focused on what matters most for NEET. Reliable study resources also make revision easier and standardize preparation, removing confusion caused by variations in coaching styles or syllabus interpretation.
TestprepKart’s NEET Biology materials are designed with NRIs in mind, focusing on clarity, relevance, and exam-fit. Key benefits include:
Elaborating on each benefit: concise notes enable quick revision before bed or during commutes; NCERT alignment guarantees a solid foundation for more difficult application questions; structured practice translates to efficient test-taking and reduced timing pressure; previous-year analysis helps you spot common question types and trap areas; mock tests provide realistic practice and enable meticulous performance tracking; live guidance ensures you stay on schedule across time zones; admissions guidance helps you navigate college-specific deadlines and eligibility criteria.
Elaborated guidance: NCERT-first approach reduces misinterpretation risk; diagram-based notes accelerate recall under exam pressure; consistent practice with past papers helps you recognize recurring question frameworks; periodic revision reinforces memory and improves long-term retention; mock tests simulate real exam days, improving speed and accuracy, which is crucial for NEET’s time constraints.
baseline for planning, then refine as new data becomes available for 2026.
NEET NRI Preparation eBook is specially designed for the NRI students which will help students to clear some of the basic question related the NRI Quota, Preparation and others. Download the NRI NEET Prep eBook from the download button below.

Here we have provided the free preparation resources for the NEET Preparation.
1. Which books are best for NEET Biology besides NCERT?
While NCERT Class 11 and 12 Biology is the core, aspirants also rely on Trueman’s Biology, MTG’s NCERT at Your Fingertips, and previous year question banks for advanced practice and clarity.
2. How much of NEET Biology is directly from NCERT?
On average, 70–80% of NEET Biology questions are NCERT-based. Many questions are direct, while others are twisted applications, making line-by-line reading of NCERT crucial.
3. What is the most effective way to prepare NEET Biology for NRIs?
NRIs should focus on NCERT + concise notes + mock tests to manage limited time zones and schedules. Online access to high-quality neet biology study material (digital PDFs, video lectures, and past papers) ensures consistency.
4. Which Biology chapters carry the highest weightage in NEET?
High-weightage topics include:
5. How can I practice NEET Biology effectively?
Daily practice of MCQs, revising NCERT diagrams, solving past 10 years’ papers, and taking chapter-wise mock tests is the most effective way to master both theory and recall speed.
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