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Biology NEET Notes (Free PDF Download)

Last updated date: 27th Jun 2024
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Biology Short Notes for NEET PDFs, Revision Notes of Biology, Important Chapters of Biology for NEET

Biology NEET notes are an important source for your NEET preparation as they are organised in an understandable format, cover the entire lesson, and encourage active learning. Students are advised to go through the prescribed syllabus thoroughly to take full advantage of NEET Biology notes PDF free Download. By studying biology revision notes, aspirants will retain the most important information more easily. Biology short notes for NEET PDF will provide key outlines and push your memory so that you will be able to expand your ideas at the time of examination. NEET Biology syllabus is provided further below for your convenience.

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Chapter wise NEET Biology Notes PDF Free Download

After you finish your preparation, you can review all the topics here. These notes will help you evaluate your understanding and gain insights into your readiness. Find the comprehensive chapters-wise NEET Biology notes PDF Free Download here.

Biology NEET Notes PDF

Biology Notes for NEET PDF are concise and have the most significant elements of each explained. The key points and sub-points beneath will help students in mapping the topics.  Biology short notes for NEET PDFs by Vedantu will aid students who are struggling to remember the points. You can keep these notes at hand for revising on a daily basis so that you are consistent with your studying.

Biology NEET Syllabus 2024

Students can have brief- run through the NEET Biology unit-wise syllabus provided below and refer to NEET Biology notes PDFs by Vedantu for a full-packed preparation. The Biology syllabus prescribed for Class 11 and 12 unit-wise list is provided below:


Class 11 Biology Syllabus


Diversity in Living World


Structural Organisation in Animals and Plants


Cell Structure and Function


Plant Physiology


Human Physiology


Class 12 Biology Syllabus




Genetics and Evolution


Biology and Human Welfare


Biotechnology and Its Applications


Ecology and Environment

NEET Biology Exam Structure

The NEET Biology exam is a multiple-choice question (MCQ) based exam with a total of 90 questions. It is divided into two sections, Section A and Section B, each carrying 45 marks.

Section A:

  1. This section consists of 35 mandatory questions from both Botany and Zoology.

  2. Each question carries 4 marks.

Section B:

  1. This section consists of 15 questions from each Botany and Zoology.

  2. Candidates are required to attempt only 10 questions, 5 from each section.

  3. Each question carries 4 marks.

  4. If a candidate attempts more than 10 questions, only the first 10 attempted questions will be considered for evaluation.

Important Chapters of Biology NEET Notes

Benefits of Biology NEET Notes by Vedantu

Biology short notes for NEET PDF will assist students in enhancing their preparedness. These revision notes by Vedantu contain outlines of key concepts, sub-branches of the concepts, theories explained in an easy manner and important questions to practise. Aspirants are encouraged to Download the NEET Biology Notes PDF for Free to keep their memory nudged.

  • Daily Practise - These notes are organised in a format that is understandable and requires a short amount of time to brief-run through. You can use these notes to revise your concepts daily, this way the retention of Biology lessons will become easier for you.

  • Adherence to Latest Syllabus- NEET Biology notes PDF free download by Vedantu adhere to the latest syllabus of NEET 2024. Students should prepare all the chapters that are newly added to the syllabus to avoid any new challenging questions at the time of exam. It is advised to leave no topics behind and cover the entire syllabus in preparation for NEET. You can download the NEET study material provided by Vedantu to be a top performer.

  • Reliable Study Material - Gathering reliable study resources online is a must for students. Many of the available resources contain factual errors and are not updated with the latest developments made in the exam structure of exam, However, revision notes of Biology by Vedantu are prepared with subject matter experts to help students acquire accurate information. The notes for neet are available on Vedantu’s site for free.

  • Focusing More on Weak Areas - The Biology NEET notes can be used to improve on your weak areas as they are designed in a format which is concise, making it easier for students to highlight their weak areas and work on them. With the help of easy explanations provided in revision notes of Biology, you can work on your weak areas and improve your preparation level.

  • Clear with Basics - Biology short notes for NEET PDF is a great resource for grasping the basics of concepts. The information is short and includes the significant elements of each concept. You can use these notes to gain a better understanding of the basics.

Preparation Tips for NEET Biology

  • Make time in your study routine each day to complete at least one Biology chapter. Start with acquiring basics, concepts and then move on to important questions. 

  • Gather information on the questions that are most likely to come again in NEET 2024. You can refer to NEET previous year question papers provided by Vedantu to get an idea about the types of questions that are likely to come.

  • Refer to NEET previous year question paper analysis available on Vedantu for experiencing the NEET exams closely and increasing your readiness.

  • Make sure to adopt a study approach that suits you the most. Few examples of study approaches are:

  1. Note-making

  2. Concept mapping

  3. Using multiple study resources

  4. Diagrams or Illustrations

Highlights of NEET UG Exam




National Eligibility cum Entrance Test (NEET)

Conducting Body:

National Testing Agency (NTA)


Offline (pen and paper based)


Physics, Chemistry, Botany (Biology) and Zoology


3 hours 20 minutes

Total Questions:

200 (180 questions to be answered)

Subject Wise Questions:

50 (45 questions to be answered)

Maximum Marks:


Marks Per Question:


Negative Marking:

Yes (-1) per wrong answer

Courses Offered Through the Exam:



Vedantu has provided Biology NEET notes for students to prepare well for the exam. These revision notes of Biology by Vedantu cover all the important information and significant elements of each chapter. Students can refer to the Biology short notes for NEET PDF to improve their understanding of basics and keep these notes as a handy study resource to revise daily. You can use the revision notes for NEET Biology by Vedantu as a last-minute preparation source as well.

FAQs on Biology NEET Notes (Free PDF Download)

1. Is revision notes of Biology enough for NEET?

To perform excellently in NEET, you should start with studying the basics using the best books available for NEET preparation. Once you have grasped the basics, important definitions and names, practise questions of each chapter using the resources available such as sample papers and mock tests. You can refer to revision notes of Biology for clearing doubts, running through basics and revising all the learned material thoroughly. Students are advised to go with the appropriate study approach and not solely rely on revision notes.

2. Does Vedantu provide study material for NEET?

Yes, Vedantu provides study material for NEET to help students prepare for the exam. NEET previous year question papers, important questions, revision notes, sample papers and more are available on Vedantu’s website. You can access the study material for free and have a full-packed preparation.

3. How to make revision notes for NEET?

You can take help of the revision notes of Biology available on Vedantu and then do an organised note making of the topics according to your preference. You can also practise note making after you complete one chapter of the syllabus. Revision notes that are personally made is one of the best study approaches that students can resort to.

4. Is 1 month revision enough for NEET?

Whether the preparation time is enough for NEET depends on various factors and each student. To perform well on NEET, students should devote 1 month of revision to each subject. It is encouraged to revise every concept thoroughly before the day of exam.

5. What is the fastest way to revise for NEET?

Make a disciplined study schedule that involves reading revision notes and practising important questions of one chapter daily. This way, in a few days, you can cover the entire syllabus easily. Start giving mock tests, solving previous year question papers regularly for a better understanding of the exam structure. Make sure to rest and take breaks during the preparation period.

6. How should I use NEET Biology Notes?

  • Don't rely solely on notes: Use them as a supplement to your primary study materials like textbooks and classroom lectures.

  • Actively engage with the notes: Don't just passively read them. Annotate, summarize, and create mind maps to improve understanding and retention.

  • Focus on understanding, not memorizing: Aim to grasp the concepts presented in the notes, not just memorize information.

  • Use notes for revision: Regularly review your notes to solidify your understanding and identify areas needing further revision.

7. Are there any alternatives to using NEET Biology Notes?

While notes can be a valuable tool, they are not the only way to prepare for NEET Biology. Here are some alternatives:

  • Focus on textbooks and classroom materials.

  • Practice solving previous year's question papers and mock tests.

  • Attend Vedantu’s online lectures.

  • Form study groups with other NEET aspirants.

Remember, the best approach to studying for NEET Biology depends on your individual learning style and preferences. Experiment with different methods and find what works best for you.