CBSE Class 12 Biology Revision Notes (2025-26)

Chapter wise Class 12 NCERT Biology 2025-26 Notes

If you are looking for Class 12 Biology Notes then you have come to the correct website. We have provided chapter wise notes for all chapters which are given in your 2025-26 NCERT book for Class 12 Biology. Our team of expert Biology teachers have prepared very comprehensive notes which you can use to learn the topic which has been taught by your teachers. These notes and Sample Papers for Class 12 Biology in Pdf which you can download easily from our website can also serve as a reference guide for students when they want to revisit a particular topic or concept just prior to their 2025-26 exams. All teachers advise students to do daily revisions of all difficult topics as it will help them to refresh all their understanding and easily learn everything prior to Biology Class 12 exams. NCERT Class 12 Biology students who are currently studying Biology must download and use Revision notes for Class 12 Biology in PDF as they will assist them to go through full latest 2025-26 syllabus for Class 12 Biology.

NCERT Class 12 Biology Notes PDF Download

We have provided links to all the chapters above in NCERT Class 12 Biology which will open the page for the details notes. You can click on the pdf download button on that page and easily save the file on your computer or mobile. Students can use these revision notes for Class 12 Biology while they are studying in the class. All teachers of CBSE have suggested downloading the Biology notes Class 12 from studiestoday so that you can learn them and get better marks. You can use the Class 12 notes for various other competitive exams too. If you are targeting last-minute preparation, then our Class 12 notes for Biology can come in handy along with MCQ Questions for Class 12 Biology with answers. By referring to the 2025-26 Class 12 Biology NCERT Notes and Worksheets for Class 12 Biology, you can regularly work on the weaker topics and use the small notes to improve them.

Class 12 Biology Notes Download Pdf

The Class 12 Biology notes provided here can help students better understand and remember course material for Class 12, leading to improved academic performance and marks in the 2025-26 exams. If you have to revise an important topic in Biology just before your tests, then you can use our notes to go through all the topics which you think are difficult to learn. Students will be able to further improve there confidence level in Biology which in turn can help them to perform better in the 2025-26 examinations. Also do Printable Worksheets for Class 12 Biology. Class 12 Biology NCERT Notes will help students build to boost their confidence as it contains the step by step explanatory notes about every topic given in your Biology Class 12 books. All NCERT Class 12 Biology Notes PDFs have been developed by experienced teachers who have many years of solid experience in teaching Biology and have prepared these notes after a very detailed study of the latest CBSE books.

How to download 2025-26 Biology Notes for Class 12 Biology

We have provided pdf links for all the chapters which have been given in your NCERT book for Class 12 Biology and Question Papers for Class 12 Biology. By clicking on the chapters provided above, you will be able to save the pdf file of all the notes for Class 12 Biology. It is easy to print out of the notes. If you face any challenges, then you can speak to our Class 12 teachers and also refer to NCERT solutions for Class 12 Biology. They will help to resolve all your Biology doubts. Class 12 Biology notes can serve as a quick reference guide, which can help students to locate and review specific topics and concepts easily.

 We have provided below steps following which you can easy save the PDF files on your system:

1. Click on the menu button on the top left and then on the downloads button in the main menu

2. When you will click on the download button the full menu will open from where you can select printable revision notes

3. Post clicking on it you will be directed to page for clicking on the class and the subject to download the concepts PDFs for Biology Class 12 which you need to download

What is the importance of Class 12 Biology Revision Notes and Concepts?

Making Revision Notes for Class 12 will help you to interpret everything you read in your own words to make you understand Class 12 concepts better. There were times when Class 12 students read the entire page blankly without even understanding a single word, but if you make notes for Class 12 exams, then your brain will try to squeeze the meaning out of every single sentence you write which is much beneficial for students. The revision notes always keep track of all the information you have learned. These notes, during the 2025-26 exam time, will act as a ready referral to go through. This method not only helps in saving the energy and time of the students during the Class 12 Examination but also helps them to recall all the things which they have studied in less time. The Class 12 Biology MCQ Test have also aided the students to remember the things they have studied because they might have read each sentence line by line and prepared the notes.

1. Revision notes for Class 12 Biology are very important for students who want to do better in exams. We have provided very concise and easy to remember notes which can be helpful to easily revise large sections of your syllabus quickly.
2. Class 12 students should also note that manually writing revision notes for Biology will help them in fast learning and also retaining the understanding for a longer period of time.
3. We have properly organized these Biology notes so that students can focus on important topics so that that no critical concepts are left our while preparing for the Class 12 exams.
4. Class 12 Biology Revision Notes will also be your personalized study guide as they have been designed by our teachers in a way to ensure fast understanding and learning of all topics. These notes can be used just prior to your 2025-26 exams also.
5. Using these revision notes and concepts PDF along with the MCQ tests for Class 12 Biology ensures that students will learn all topics and also test their knowledge and find all weak areas.
6. Students who regularly update and review these Class 12 notes for Biology are better equipped to manage their time and perform confidently in the final exams and also class tests.
7. The habit of regularly studying from notes in Class 12 develops critical thinking and analytical skills in students which is very important higher studies in Biology and related fields.
8. All Class 12 teachers have suggested to use Biology notes which have been given here as they are the most reliable resource for fast learning and boost retention.
9. Reading revision notes with practice questions and sample papers will help you to score better in Class 12 Biology exams.

What are benefits of 2025-26 Notes for Class 12 Biology?

This will help you to revise all important concepts prior to the school exams of Class 12 in a timely manner. Short notes for each chapter given in the latest 2025-26 Class 12 books for Biology will help you to learn and redo all main concepts just at the door of the exam hall. The notes provided by studiestoday.com has been prepared specially for Class 12 exam students so that they can get the best rank in the upcoming Class 12 exam. You will get comfort that you have revised all important topics of Biology and you will not have to carry the entire book in the 2025-26 exam. Download all Assignments for Class 12 Biology and PDF notes for Class 12 Biology and be assured that you have covered all important topics.

1. Our teachers have prepared the Class 12 Biology Notes in a way that are very compact and also very effective so that students can revise the entire chapter just before their exams as the entire course has been summarized in easy to understand points so that you can understand and remember every point nicely.
2. All chapter-wise notes have been designed as per the latest Class 12 Biology syllabus so that the students can read the latest topics which have been given in the textbooks for the current academic year. In addition all Biology notes for Class 12 are very short and concise so that you don’t have to carry bulky books for last minute revision.
3. The Biology Notes for Class 12 cover every important topic which has been given in your books so that you don't miss on any important topic required to score well in school or class exams.
4. Students of Class 12 should use the Biology notes along with the books which have been suggested by your teachers so that you are able to properly understand every topic to score better in exams.
5. We have provided all notes in PDF format so that the Class 12 Biology Revision Notes can be accessible anytime and anywhere so that you can study at your own pace.
6. We have also included Biology diagrams, flowcharts, and key points for Class 12 so that you are able to easily understand all topics and can remember them too and also build confidence to tackle any question in exams.
7. By downloading and practicing with these Notes Class 12 Biology you can ensure a thorough revision of all topics nicely.

More study material Class 12 Biology

The above notes will help you to excel in 2025-26 exams. You should always revise the Class 12 Biology concepts and notes before the exams and will help you to recap all important topics and you will be able to score better marks. You can also click below to download solved latest sample papers, past year (last 10 year) question papers pdf printable worksheets, mock online tests, latest Class 12 Books based on syllabus and guidelines issued by CBSE NCERT KVS. The study material has been made by experienced teachers of leading schools and institutes in India is available for free download in pdf format.