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To crack the NEET exam for medical admissions in India, students must prepare thoroughly in Physics, Chemistry, and Biology. Among these subjects, Biology plays the most critical role, as it carries the highest weightage in the NEET exam.
However, NEET Biology preparation is not limited to simply reading and completing the NCERT textbook. Students must also practice important NEET study materials, including concept notes, diagrams, previous-year questions, and exam-oriented revisions to build strong accuracy and long-term retention.
To support structured preparation, especially for U.S.-based NRI students following IB, AP, or U.S. high school curricula, we have compiled NEET Biology Study Material PDFs aligned with the latest NEET syllabus.
| NEET Biology Study Materials | Resource |
| NEET Biology Syllabus 2026 | Download PDF |
| NEET Biology Important Books | Download PDF |
| NEET Biology Previous Years Question Paper | Download PDF |
| NEET Biology Sample Paper | Download PDF |
| NEET Biology Mock Test | Download PDF |
| NEET Biology Toppers Notes | Download PDF |
| NEET Biology Revision | Download PDF |
| NEET Biology Formula Sheet | Download PDF |
| NEET Biology Important chapters | Download PDF |
| NEET Biology Important Topics | Download PDF |
| NEET Biology Question Bank | Download PDF |
| NEET Biology Practice Test | Download PDF |
| NEET Biology MCQ’s Question | Download PDF |
You can download the NEET Biology Study Material PDF for free and begin your preparation with a focused, exam-ready approach.
| Study Materials | Resources |
| NEET Study Materials | Download PDF |
| NEET Physics Study Materials | Download PDF |
| NEET Chemistry Study Materials | Download PDF |
You can download the NEET Biology Study Material PDF for free and start your preparation with a focused, structured, and exam-ready approach. These study materials are carefully aligned with the latest NEET 2026 syllabus and are designed to help students build strong conceptual clarity while thoroughly covering high-weightage and frequently tested topics.
| Unit | Unit Name | Major Topics Covered | Resource |
| Unit 1 | Diversity in Living World | Living world, biodiversity, classification, taxonomy, binomial nomenclature; Five-kingdom system; Monera, Protista, Fungi, Lichens, Viruses & Viroids; Plant classification (Algae, Bryophytes, Pteridophytes, Gymnosperms); Animal classification (Non-chordates up to phylum, Chordates up to class) | Download PDF |
| Unit 2 | Structural Organisation in Animals & Plants | Morphology and modifications; Tissues; Root, stem, leaf, flower, fruit & seed; Inflorescence (racemose, cymose); Plant families (Malvaceae, Cruciferae, Leguminosae, Compositae, Graminae); Animal tissues; Frog – digestive, respiratory, circulatory, nervous & reproductive systems | |
| Unit 3 | Cell Structure & Function | Cell theory; Prokaryotic & eukaryotic cells; Cell membrane, cell wall; Organelles (ER, Golgi, mitochondria, ribosomes, plastids, lysosomes, vacuoles); Nucleus; Biomolecules; Enzymes; Cell cycle, mitosis & meiosis | |
| Unit 4 | Plant Physiology | Photosynthesis (light & dark reactions, C3, C4, CAM, photorespiration); Respiration (glycolysis, TCA, ETS); ATP; RQ; Plant growth regulators (auxin, gibberellin, cytokinin, ethylene, ABA); Seed germination & growth | |
| Unit 5 | Human Physiology | Breathing & respiration; Blood, heart, circulation & ECG; Excretory system & kidney regulation; Muscles, bones & joints; Nervous system; Endocrine glands & hormones; Disorders (asthma, diabetes, goiter, arthritis, etc.) | |
| Unit 6 | Reproduction | Flowering plant reproduction; Gametophytes, pollination, fertilization; Seed & fruit formation; Human reproductive system; Menstrual cycle; Fertilization, pregnancy, lactation; Contraception; IVF, ZIFT, GIFT | |
| Unit 7 | Genetics & Evolution | Mendelism; Blood groups; Sex determination; Linkage & crossing over; Genetic disorders; DNA & RNA; Replication, transcription, translation; Lac operon; Evolution; Natural selection; Hardy-Weinberg principle; Human evolution | |
| Unit 8 | Biology & Human Welfare | Diseases (malaria, dengue, typhoid, AIDS); Immunity & vaccines; Cancer; Drug & alcohol abuse; Microbes in food, industry, sewage, biogas, biofertilizers | |
| Unit 9 | Biotechnology & Its Applications | Recombinant DNA technology; GM crops (Bt cotton); Insulin & vaccines; Gene therapy; Transgenic animals; Biopiracy, biosafety, patents | |
| Unit 10 | Ecology & Environment | Population interactions; Ecosystem; Energy flow; Ecological pyramids; Biodiversity, hotspots; Conservation; National parks, biosphere reserves, Red Data Book |
| NCERT Biology Class 11 | Download PDF |
| NCERT Biology Class 12 | Download PDF |
| Trueman’s Elementary Biology (Volume I ) | Download PDF |
| Trueman’s Elementary Biology (Volume II) | Download PDF |
| GR Bathla’s Biology | Download PDF |
| Pradeep’s Biology | Download PDF |
| MTG Objective NCERT at Your Fingertips Biology | Download PDF |
| Exploring Biology (Volume 1 & 2) | Download PDF |
| Objective Biology (Volume 1, 2, 3) | Download PDF |
| 40 Days Biology for NEET – S. Chakravarty | Download PDF |
| MTG 38 Years NEET Biology | Download PDF |
| NEET Biology Years-wise Questions | Resource |
| NEET Biology Question Paper 2025 | Download PDF |
| NEET Biology Question Paper 2024 | Download PDF |
| NEET Biology Question Paper 2023 | Download PDF |
| NEET Biology Question Paper 2022 | Download PDF |
| NEET Biology Question Paper 2021 | Download PDF |
| NEET Biology Question Paper 2020 | Download PDF |
| NEET Biology Question Paper 2019 | Download PDF |
| NEET Biology Question Paper 2018 | Download PDF |
| NEET Biology Question Paper 2017 | Download PDF |
| NEET Biology Question Paper 2016 | Download PDF |
| NEET Biology Question Paper 2015 | Download PDF |
| NEET Biology Sample Papers | Resource |
| NEET Biology Sample Paper 1 | Download PDF |
| NEET Biology Sample Paper 2 | Download PDF |
| NEET Biology Sample Paper 3 | Download PDF |
| NEET Biology Sample Paper 4 | Download PDF |
| NEET Biology Sample Paper 5 | Download PDF |
| NEET Biology Sample Paper 6 | Download PDF |
| NEET Biology Sample Paper 7 | Download PDF |
| NEET Biology Sample Paper 8 | Download PDF |
| NEET Biology Sample Paper 9 | Download PDF |
| NEET Biology Sample Paper 10 | Download PDF |
| NEET Biology Mock Tests | Resource |
| NEET Biology Mock Test 1 | Download PDF |
| NEET Biology Mock Test 2 | Download PDF |
| NEET Biology Mock Test 3 | Download PDF |
| NEET Biology Mock Test 4 | Download PDF |
| NEET Biology Mock Test 5 | Download PDF |
| NEET Biology Mock Test 6 | Download PDF |
| NEET Biology Mock Test 7 | Download PDF |
| NEET Biology Mock Test 8 | Download PDF |
| NEET Biology Mock Test 9 | Download PDF |
| NEET Biology Mock Test 10 | Download PDF |
| NEET Biology Toppers Notes | Resources |
| NEET Biology Toppers Note 1 | Download Now |
| NEET Biology Toppers Note 2 | Download Now |
| NEET Biology Toppers Note 3 | Download Now |
| NEET Biology Toppers Note 4 | Download Now |
| NEET Biology Toppers Note 5 | Download Now |
| NEET Biology Toppers Note 6 | Download Now |
| NEET Biology Toppers Note 7 | Download Now |
| NEET Biology Toppers Note 8 | Download Now |
| NEET Biology Toppers Note 9 | Download Now |
| NEET Biology Toppers Note 10 | Download Now |
| Chapters | Solution | Chapters | Solution |
| 1. The Living World | PDF Solution | 18. Locomotion and Movement | PDF Solution |
| 2. Biological Classification | PDF Solution | 19. Neural Control and Coordination | PDF Solution |
| 3. Plant Kingdom | PDF Solution | 20. Chemical Coordination and Integration | PDF Solution |
| 4. Animal Kingdom | PDF Solution | 21. Sexual Reproduction in Flowering Plants | PDF Solution |
| 5. Morphology of Flowering Plants | PDF Solution | 22. Human Reproduction | PDF Solution |
| 6. Anatomy of Flowering Plants | PDF Solution | 23. Reproductive Health | PDF Solution |
| 7. Structural Organisation in Animals | PDF Solution | 24. Principles of Inheritance and Variation | PDF Solution |
| 8. Cell – The Unit of Life | PDF Solution | 25. Molecular Basis of Inheritance | PDF Solution |
| 9. Biomolecules | PDF Solution | 26. Evolution | PDF Solution |
| 10. Cell Cycle and Cell Division | PDF Solution | 27. Human Health and Disease | PDF Solution |
| 11. Photosynthesis in Higher Plants | PDF Solution | 28. Microbes in Human Welfare | PDF Solution |
| 12. Respiration in Plants | PDF Solution | 29. Biotechnology: Principles and Processes | PDF Solution |
| 13. Plant Growth and Development | PDF Solution | 30. Biotechnology and Its Applications | PDF Solution |
| 14. Digestion and Absorption | PDF Solution | 31. Organisms and Populations | PDF Solution |
| 15. Breathing and Exchange of Gases | PDF Solution | 32. Ecosystem | PDF Solution |
| 16. Body Fluids and Circulation | PDF Solution | 33. Biodiversity and Conservation | PDF Solution |
| 17. Excretory Products and Their Elimination | PDF Solution | 34. Environmental Issues | PDF Solution |
| NEET Biology Mock Tests | Resource |
| NEET Biology Question Bank 1 | Download PDF |
| NEET Biology Question Bank 2 | Download PDF |
| NEET Biology Question Bank 3 | Download PDF |
| NEET Biology Question Bank 4 | Download PDF |
| NEET Biology Question Bank 5 | Download PDF |
| NEET Biology Question Bank 6 | Download PDF |
| NEET Biology Question Bank 7 | Download PDF |
| NEET Biology Question Bank 8 | Download PDF |
| NEET Biology Question Bank 9 | Download PDF |
| NEET Biology Question Bank 10 | Download PDF |
| NEET Biology Practice Test | Resources |
| NEET Biology Practice Test 2025 | Download Now |
| NEET Biology Practice Test 2024 | Download Now |
| NEET Biology Practice Test 2023 | Download Now |
| NEET Biology Practice Test 2022 | Download Now |
| NEET Biology Practice Test 2021 | Download Now |
| NEET Biology Practice Test 2020 | Download Now |
| NEET Biology Practice Test 2019 | Download Now |
| NEET Biology Practice Test 2017 | Download Now |
| NEET Biology Practice Test 2016 | Download Now |
| NEET Biology Practice Test 2015 | Download Now |
| NEET Biology MCQ’s Question | Resources |
| NEET Biology MCQ’s Question 2025 | Download Now |
| NEET Biology MCQ’s Question 2024 | Download Now |
| NEET Biology MCQ’s Question 2023 | Download Now |
| NEET Biology MCQ’s Question 2022 | Download Now |
| NEET Biology MCQ’s Question 2021 | Download Now |
| NEET Biology MCQ’s Question 2020 | Download Now |
| NEET Biology MCQ’s Question 2019 | Download Now |
| NEET Biology MCQ’s Question 2018 | Download Now |
| NEET Biology MCQ’s Question 2017 | Download Now |
| NEET Biology MCQ’s Question 2016 | Download Now |
| NEET Biology MCQ’s Question 2015 | Download Now |
| Chapter | Weightage | Avg. Questions |
| The Living World | Medium | 1 |
| Biological Classification | Medium | 1 |
| Plant Kingdom | Low | 0–1 |
| Animal Kingdom | Low | 0–1 |
| Morphology of Flowering Plants | Medium | 1 |
| Anatomy of Flowering Plants | Medium | 1 |
| Structural Organisation in Animals | Medium | 1 |
| Cell – The Unit of Life | Very High | 2–3 |
| Biomolecules | Very High | 2–3 |
| Cell Cycle and Cell Division | Very High | 2–3 |
| Photosynthesis in Higher Plants | Very High | 2–3 |
| Respiration in Plants | Very High | 2–3 |
| Plant Growth and Development | High | 2 |
| Digestion and Absorption | Very High | 2–3 |
| Breathing and Exchange of Gases | Very High | 2–3 |
| Body Fluids and Circulation | Very High | 2–3 |
| Excretory Products and Their Elimination | Very High | 2–3 |
| Locomotion and Movement | Very High | 2–3 |
| Neural Control and Coordination | Very High | 2–3 |
| Chemical Coordination and Integration | Very High | 2–3 |
| Sexual Reproduction in Flowering Plants | Very High | 2–3 |
| Human Reproduction | Very High | 2–3 |
| Reproductive Health | Medium | 1 |
| Principles of Inheritance and Variation | Very High | 3–4 |
| Molecular Basis of Inheritance | Very High | 3–4 |
| Evolution | High | 2 |
| Human Health and Disease | High | 2 |
| Microbes in Human Welfare | High | 2 |
| Biotechnology: Principles and Processes | High | 2 |
| Biotechnology and Its Applications | High | 2 |
| Organisms and Populations | Low | 0–1 |
| Ecosystem | Medium | 1 |
| Biodiversity and Conservation | Medium | 1 |
| Environmental Issues | Low | 0–1 |
NEET Biology study material is critically important for NRI students because Biology alone carries 50% of the total NEET score, making it the most decisive subject for MBBS admissions in India.
For U.S.-based students who may not follow NCERT Biology in school, a strong Biology score often becomes the key differentiator in securing seats at top government and private medical colleges.
1. Highest Weightage in NEET:- Biology includes 90 questions worth 360 out of 720 marks, directly influencing overall rank and eligibility for government and NRI quota seats.
2. High-Scoring & Predictable Subject:- Most Biology questions are direct and NCERT-based, making it the easiest subject to score high-especially when supported with structured NEET-specific material.
3. Bridges the Curriculum Gap for U.S. Students:- U.S. curricula like AP, IB, or regular high school Biology do not fully align with NCERT. NEET-focused Biology material helps close this gap efficiently.
4. Strong Medical Foundation:- Biology builds core understanding of human anatomy, physiology, genetics, ecology, and diseases-essential for MBBS studies in India and future licensing exams.
5. NCERT-Centric & Exam-Oriented:- Around 90–95% of NEET Biology questions come directly from NCERT Class 11 and 12. Targeted study material ensures no critical topic is missed.
6. Time-Saving Advantage in the Exam:- Fact-based Biology questions can be solved faster, allowing students to manage time better across Physics and Chemistry sections.
7. Rank Booster & Score Stabilizer:- A strong Biology score can compensate for weaker areas in Physics or Chemistry-an important advantage for U.S.-based students balancing school academics with NEET prep.
8. Improves Accuracy & Confidence:- High-quality study material with MCQs, previous-year questions, diagrams, and revision notes improves retention, reduces negative marking, and builds exam confidence.

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.



1. Why is Biology the most important subject for NEET?
Biology carries 50% of NEET marks (360/720), making it the highest-scoring and most decisive subject for securing MBBS seats under government and NRI quotas.
2. Is NCERT Biology enough for NEET preparation?
NCERT is essential but not sufficient. NEET requires additional MCQs, diagrams, previous-year questions, and revision materials to improve accuracy and exam readiness.
3. Why do U.S.-based NRI students need special NEET Biology material?
AP, IB, and U.S. high school Biology do not fully align with NCERT. NEET-specific material bridges syllabus gaps efficiently for NRI students.
4. Are these NEET Biology PDFs aligned with the 2026 syllabus?
Yes, all study materials are updated according to the latest NEET 2026 syllabus and cover high-weightage, frequently tested Biology topics.
5. How do NEET Biology study materials help improve rank?
Focused Biology preparation boosts scoring potential, saves exam time, reduces negative marking, and helps compensate for weaker Physics or Chemistry performance.
6. Do these materials include previous years’ NEET questions?
Yes, the study set includes year-wise previous NEET Biology questions, helping students understand patterns, difficulty levels, and repeated concepts.
7. Are mock tests and practice papers important for NEET Biology?
Absolutely. Mock tests and practice papers improve speed, accuracy, confidence, and exam temperament-especially important for students preparing from abroad.
8. Can U.S. students download NEET Biology study material for free?
Yes, all listed NEET Biology PDFs-including syllabus, notes, MCQs, and mock tests—are available for free download.
9. How does strong Biology preparation help NRI quota admissions?
A high Biology score significantly improves NEET rank, increasing chances of admission to top government and private medical colleges under the NRI quota.
10. Is this Biology material suitable for beginners from the U.S. system?
Yes, it is structured, concept-based, and NCERT-aligned-ideal for the U.S.-based students transitioning from AP, IB, or regular high school Biology.
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