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NCERT Books for Class 12 Biology 2025-26: Download Free PDF
Edited By Irshad Anwar | Updated on Jul 04, 2025 10:07 AM IST
Did you know that human DNA shares about 60% of its genes with a banana? The new NCERT Class 12 Biology books for 2025–26 will help you explore amazing facts like this in simple, easy-to-read language. These books include clear diagrams, real-life examples, and detailed chapters that build a solid understanding of genetics, ecology, human physiology, and more. Several questions in CBSE board examinations and competitive exams, such as NEET, directly follow from this textbook, which makes it useful for exam preparations. The Class 12 students count on these NCERT books to make biology easier to learn.
This Story also Contains
- NCERT Class 12 Biology Book PDF
- Access the NCERT Book for Class 12 Biology
- NCERT Class 12 Biology Book Chapters and Study Tips
- Best NCERT Biology Class 12 Reference Books
These books follow the NCERT Class 12 syllabus closely, with chapters arranged in the right sequence so students don’t miss any important topic. Practice exercises with questions, activities, and summaries help students check their understanding. These features support strong preparation and better retention of concepts. Students can easily download the free PDFs from the NCERT page and start learning at their own pace.
NCERT Class 12 Biology Book PDF
Biology is a fascinating subject that helps us understand the wonders of life and the environment around us. From genetics to ecology, each chapter builds a strong base for higher studies and competitive exams. Students can now access the complete Class 12 Biology NCERT textbook in PDF format, available for easy online download. With the free PDF, they can revise difficult concepts easily by going through these well-organised chapters.
Download the latest NCERT Class 12 Biology textbook PDF for free, updated as per the new syllabus guidelines.
NEET Highest Scoring Chapters & Topics
Most Scoring concepts For NEET (Based On Previous Year Analysis)
Download EBookChapters of the NCERT Book for Class 12 Biology 2025-26
The name of the Biology book for class 12 is Biology in English and Jeev Vigyan in Hindi. The biology book is prescribed in most of the CBSE board schools, and hence, it gives relevant information about the respective subject. The Biology NCERT textbook for Class 12 is a trusted resource for CBSE board exams, available in both print and digital forms. Chapter-wise links to the book are given below:
Chapter no. | English Medium | Hindi Medium |
Chapter 1 | Sexual Reproduction in Flowering Plants | पुष्पी पादपों में लैंगिक प्रजनन |
Chapter 2 | Human Reproduction | मानव जनन |
Chapter 3 | Reproductive Health | जन स्वास्थ्य |
Chapter 4 | Principles of Inheritance And Variation | वंशागति तथा विविधता के सिद्धांत |
Chapter 5 | Molecular Basis of Inheritance | वंशागति के आणविक आधार |
Chapter 6 | Evolution | विकास |
Chapter 7 | Human Health and Disease | मानव स्वास्थ्य तथा रोग |
Chapter 8 | Microbes in Human Welfare | मानव कल्याण में सूक्ष्मजीव |
Chapter 9 | Biotechnology Principles and Processes | जैव प्रौद्योगिकी- सिद्धांत व प्रक्रम |
Chapter 10 | Biotechnology and its Applications | जैव प्रौद्योगिकी एवं उसके उपयोग |
Chapter 11 | Organisms And Population | जीव और समष्टियाँ |
Chapter 12 | Ecosystem | पारितंत्र |
Chapter 13 | Biodiversity and Conservation | जैव-विविधता एवं संरक्षण |
You can also download the Class 12 NCERT Biology book in Hindi medium for free to prepare comfortably in your chosen language.
Access the NCERT Book for Class 12 Biology
Check the given steps to download NCERT Biology books for class 12th online :
Click on the respective chapter link or visit the official NCERT website.
As you scroll down, click on the textbook icon on the screen.
Then, click on ebooks, followed by the PDF icon.
Now, enter the class as XII, subject as biology, and book as Biology to access the book.
Also read -
- NCERT Syllabus for Class 12
- NCERT Books for Class 12
- NCERT Solutions for Class 12
- NCERT Exemplar Class 12 Solutions
- NCERT Notes for Class 12
Biology Class 12 Syllabus and Marking Scheme
The marking scheme will help students understand the pattern of the exam and help them prepare well.
Unit | Titles | Marks |
VI | Reproduction | 16 |
VII | Genetics and Evolution | 20 |
VIII | Biology and Human Welfare | 12 |
IX | Biotechnology and Its Applications | 12 |
X | Ecology and Environment | 10 |
Total | 70 |
NCERT Books for Class 12 Subject Wise
| NCERT Book for Class 12 Physics | NCERT Book for Class 12 Maths |
| NCERT Books for Class 12 Chemistry | NCERT Books for Class 12 English |
| NCERT Book for Class 12 Hindi | |
NCERT Class 12 Biology Book Chapters and Study Tips
The NCERT Class 12 Biology textbook is divided into five major units, each dealing with various topics of biological sciences. Below is a brief description of these units, their chapters, and their importance in the CBSE Class 12 Biology syllabus for the 2025-26 session:
Unit VI: Reproduction
Use diagrammatic representations to learn about processes such as gametogenesis, fertilisation, and embryonic development. Diagrams can increase understanding and recall of these subjects.
Unit VII: Genetics and Evolution
Mix theoretical study with diagrams, particularly for concepts such as DNA replication, transcription, and evolutionary relationships. Making brief notes can facilitate rapid revisions.
Unit VIII: Biology and Human Welfare
Mark important points to note important information regarding diseases, farming methods, and the function of microbes. The unit is not too long, making it possible to prepare within a short time.
Unit IX: Biotechnology and Its Applications
Focus on understanding the concepts and procedures of biotechnology. Personalised notes may be useful in understanding applications and ethical aspects.
Unit X: Ecology and Environment
Use flowcharts to trace ecological relationships, energy flow, and environmental problems. This helps in visualising and remembering intricate relationships.
Knowledge of the weightage of every unit can help in planning a study effectively. For the latest syllabus and detailed data, visit the official CBSE curriculum or reliable educational websites.
The NCERT Biology Class 12 Old edition PDF is available for students who prefer the previous syllabus version.
Also, check -
- NCERT syllabus for class 12 Biology
- NCERT Solutions for Class 12 Biology
- NCERT Exemplar Class 12th Biology Solutions
- NCERT Notes for Class 12 Biology
Best NCERT Biology Class 12 Reference Books
Here is a list of the most recommended books for Class 12 Biology that help in CBSE board exam preparation and competitive exams like NEET.
NCERT Class 12 Biology Textbook (Latest Edition)
Trueman’s Elementary Biology for Class 12
Pradeep’s A Textbook of Biology
S. Chand’s Biology for Class XII
Dinesh New Millennium Biology Class 12
MTG Objective NCERT at Your Fingertips Biology
Frequently Asked Questions (FAQs)
1. Is NCERT books change in 2025/26?
Yes, NCERT is introducing new textbooks for Classes 4, 5, 7, and 8 in the 2025-26 academic session. These new books will replace the existing ones for these specific classes. This is part of NCERT's ongoing revision of textbooks for primary and secondary classes.
2. Will NEET 2025 Biology be out of NCERT?
Yes, the NEET 2025 exam will primarily be based on the new NCERT syllabus. It's crucial to align your preparation with the updated topics to avoid studying irrelevant material.
3. How is the NCERT Biology book useful for NEET aspirants?
The NCERT Class 12 Biology book is the backbone of NEET preparation. About 85–90% of NEET Biology questions come directly or indirectly from NCERT, so thoroughly reading it is important.
4. Is it better to study NCERT Class 12 Biology from the printed book or the PDF?
Both formats have the same content. If you prefer highlighting and making side notes, a printed book is convenient. The PDF version is great for on-the-go revision and can be easily saved on your devices.
5. Are diagrams in the NCERT Biology PDF sufficient for board exams?
Yes, NCERT diagrams are very important and are often directly asked in the board exams. Make sure you practice labeling and neat diagram drawing exactly as shown in the NCERT.
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