CBSE Class 11 Biology Chapter Wise Revision Notes 2022-23

VSAT 2022

CBSE Class 11 Biology Revision Notes - Free PDF Download

Biology is an essential subject in the 11th standard if you want to pursue medical science. Some portions required proper understanding and knowledge. The class 11 biology revision notes will clarify the concepts of every student properly. It has been structured by expert faculties keeping the latest CBSE syllabus in mind. Whenever you are facing any problem, all you need to do is refer to these notes. The main advantage of revision notes of class 11 biology is that it has all the essential diagrams and explanations may come in the exam.

Download CBSE Class 11 Biology Revision Notes 2022-23 PDF

Also, check CBSE Class 11 Biology revision notes for other chapters:

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CBSE Revision Notes for Class 11 Biology - Free PDF Solutions

CBSE Class 11 Biology Weightage 2022-23 





Diversity of Living Organisms



Structural Organization in Plants and Animals



Cell: Structure and Function



Plant Physiology



Human Physiology





Benefits of Class 11 Biology Revision Notes

Biology can turn into a nightmare if not studied carefully. Hence, revision notes of biology class 11 are all there to help you. The class 11 biology revision notes are very easily accessible. You don’t need to buy any book or notes, all of it comes for free. All you need to do is download the biology class 11 notes pdf file and refer to them whenever you need it. It is compatible with any device. Once downloaded it can be accessed from anywhere in offline mode. Students can plan their self paced learning with the notes. In case you want, one can also print the entire PDF file and revise it during the exams. Class 11 Biology topics form a great foundation for class 12 Biology topics. Therefore, understanding the class 11 topic is very important. Here is where 11th biology notes can help.

Class 11 Biology Revision Notes First Half Content

The class 11th biology notes can be divided into two parts. The first part starts with the living world, its mechanism, cells, and molecules. Next, you will study the biological classification based on some similarities. The next two chapters cover details of the plant and animal kingdom. It also has a difference between them. You have flowering plant morphology, anatomy, and epidonomy. The sections of a flowering plant are grown very intricately using diagrams. Next, we move into cell structure, cycle, and division. Another important chapter is biomolecules.

Class 11 Biology Revision Notes Second Half Content

The revision notes for class 11 biology have transportation in plants through phloem and xylem followed by nutritional elements and minerals required by plants. Further, we have a detailed explanation of photosynthesis and respiration in higher plants and complex organisms. Next, we have the growth and development of plants. Again you have a detailed study on digestion, absorption, and respiration of humans. Next, there is the circulation of fluids, excretion, locomotion, neural coordination, and nervous system. Further, the last chapter is about the human endocrine system, chemical integration, and coordination.


The biology notes for class 11 are the best for you to brush up and revise the chapters again before the exam. It will help you to understand the topics which you need to practice better. Time management is also essential for any exam. One gets to know how to write in an answering script to fetch marks. The class 11th biology notes the best guide for any science student.

CBSE Class 11 Biology Study Materials

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FAQs on CBSE Class 11 Biology Chapter Wise Revision Notes 2022-23

1. Why should you choose to refer to the Class 11 Biology notes?

Ans: Class 11 Biology notes are comprehensively laid out to let you choose the chapter you want to brush upon. These revision notes cover the important topics that are highly likely to be asked in the examination. These notes have been prepared by expert teachers who have been teaching this subject for many years and know how to correctly approach them. The students can download these notes and keep them on their phones or other devices to refer to just before the exam. Since the notes are neatly organized, they can choose the topics that they need to revise on at the last minute.

2. Are these notes enough for Class 11 Biology revision?

Ans: Biology is a subject that students can score well if they have a strong theoretical and conceptual hold on the subject. All the chapters are neatly segregated and the notes cover the entire subject in short. These are also important questions that the students should refer to before their exam as it lets them master the topic and score high in their exam. The notes are made creatively and are crafted keeping the students' understanding level in mind. These notes help not just in the school exams but in the competitive exams as well.

3. What are the chapters covered in CBSE Class 11 Biology Notes?

Ans: CBSE Notes for Class 11 Biology cover the following chapters:

  • The Living World

  • Biological Classification

  • Plant Kingdom

  • Animal Kingdom

  • Morphology of Flowering Plants

  • Anatomy of Flowering Plants

  • Structural Organisation in Animals

  • Cell The Unit of Life

  • Biomolecules

  • Cycle and Cell Division

  • Transport in Plants

  • Mineral Nutrition

  • Photosynthesis in Higher Plants

  • Respiration in Plants

  • Plant Growth and Development

  • Digestion and Absorption

  • Breathing and Exchange of Gases

  • Body Fluids and Circulation

  • Excretory Products and their Elimination

  • Locomotion and Movement

  • Neural Control and Coordination

  • Chemical Coordination and integration

4. Where can I find chapter-wise notes for Class 11 Biology?

Ans: CBSE Notes for Class 11 Biology are provided by Vedantu, available on the website as well as the mobile app. Students can find accurate, descriptive, and easily understandable notes that will assist their preparation in a better way. You can access these chapter-wise notes for all chapters of Class 11 Biology. Students can also download these notes free of cost for offline access whenever required.

5. Which book is best for Class 11 Biology?

Ans: Books published by the National Council of Educational Research and Training (NCERT) are considered as one of the best resources for students studying various classes. These books have been prescribed by CBSE for a long time since they strictly adhere to the latest syllabus and curriculum. Question papers are designed based on NCERT Books and hence, they are the best to prepare for Class 11 Biology. The books contain material that can be easily comprehended and enhance the overall learning experience for students.

6. How to top in Class 11 Biology?

Ans: Scoring high marks and topping in your Class 11 Biology may seem a difficult goal to achieve but it is not impossible. With the right tips and tricks, students can make their preparation stronger before their Biology exam. These simple tips include:

  • Thoroughly read each chapter.

  • Make notes out of everything.

  • Solve NCERT Questions, Sample papers, important questions.

  • Refer to NCERT Solutions of CBSE Class 11 Biology Revision Notes.

  • Practice diagrams regularly.

  • Revise every day before the exam.

7. Which are the Chapters in Class 11 Biology with the highest weightage?

Ans: While preparing for your Class 11 Biology, make sure that you are aware of the marks distribution so that you can prioritize preparing chapters accordingly. The following are the chapters in the Class 11 Biology syllabus with the highest marks weightage:

  • Unit–V  Human Physiology - 17 marks

  • Unit–I   Diversity of Living Organisms - 15 marks

  • Unit–III Cell: Structure and Function - 15 marks

  • Unit–IV Plant Physiology - 15 marks

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