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The NCERT Books for Class 12 Biology will help students explore amazing facts in a simple and easy-to-read manner. This book include clear diagrams, real-life examples that build a strong understanding. Chapters related to genetics, ecology, human physiology, and more are included. Several questions in board examinations and competitive exams, such as NEET, directly come from this textbook, which makes it useful for exam preparations. The Class 12 students can trust these NCERT books to make biology easier to learn.
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 and summaries help students check their knowledge. These features support strong preparation and better retention of concepts. Students can easily download the free NCERT book for Class 12 Biology PDF and start learning at their own pace.
The name of the book is Biology in English and Jeev Vigyan in Hindi. The Class 12 NCERT Biology book is a trusted resource for board and competitive exams. These books are 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 |
Students can also download the book to prepare comfortably for the exam. Check the given steps to download the books online for free:
Visit the official website of NCERT, ncert.nic.in
In the section of links, click on ‘Textbook’, then click on 'Ebooks'.
Now, click on ‘PDF (I-XII)’
Select the respective class, subject, and book.
Click on ‘Go.’
Class 12 Biology Book 2025-26 will be displayed on the screen.
Students can also download the NCERT Biology Book Class 12 in the PDF format from the link given below.
Download: NCERT Book for Class 12 Biology PDF
Biology is an interesting subject that helps us understand the wonders of life and the environment around us. Understanding the marking scheme helps them to stay organised and prepare well for the exams. By this, students can give priority to those chapters which contain high weightage included in the NCERT textbook Class 12 Biology.
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 |
Also read -
The biology book consists of 13 chapters, which are divided into five major units. Each units deal with various topics of biological sciences. Below is a brief description of these units, their chapters, and how students can study these chapters from the Class 12 Biology Book 2025-26 to score well in the exam.
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 short notes from NCERT Books for Class 12 reduces the time while doing revision.
Unit VIII: Biology and Human Welfare
Mark important points from Class 12 NCERT Biology book 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 by using the NCERT book for Class 12 Biology PDF. Making notes, which may be useful in understanding applications and ethical aspects.
Unit X: Ecology and Environment
Use flowcharts to understand ecological relationships, energy flow, and environmental problems. This helps in visualising and remembering relationships.
Also, check -
Here is a list of the most recommended books for Class 12 Biology that help in board exam preparation and competitive exams like NEET. Studying from these books along with the Knowledge of the weightage of every unit can help in doing the preparation effectively.
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
Also Check,
The NCERT Books for Class 12 Biology include 13 chapters, which are divided into 5 units. The names of units are given below:
Yes, NCERT Books for Class 12 Biology are sufficient for board exams and NEET preparation. They cover all important topics in simple language. Most exam questions come directly from NCERT. So, preparing from these books will help a lot.
Yes, Class 12 Biology can be a little bit difficult for some students. But NCERT Books for Class 12 Biology explain the concepts in a simple and clear way. Doing regular practice and consistent revision makes the difficult concepts easy.
Many students find the "Molecular Basis of Inheritance" chapter a bit challenging from the Class 12 Biology Book. This chapter includes complex concepts like DNA replication, genetic code, and gene expression.
The easiest chapter in NCERT Books for Class 12 Biology is usually "Reproduction in Organisms." Students can understand this chapter easily with the help of simple and clear explanations.
Exam Date:22 July,2025 - 29 July,2025
Exam Date:22 July,2025 - 28 July,2025
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