NCERT Class 12 Biology Book 2027 chapter-wise is available here in Hindi and English for download. Students who have opted for Biology in Class 12 can download each chapter of the textbook from the links attached in this article. It is very important for students to have the digital edition of the NCERT Biology textbook for Class 12. This book is available in both Hindi and English languages. The book is designed on the basis of the curriculum and framework of the National Curriculum Framework (NCF). It is therefore one of the most highly recommended textbooks across all major schools in India. CBSE prescribes the Biology book for Class 12 NCERT in all its affiliated schools. The Biology book covers core concepts such as Reproduction in Organisms, Human Reproduction, Sexual Reproduction in Flowering Plants, Molecular Basis of Inheritance, Biotechnology, Ecology, and Environmental Issues. The book is useful not just for the CBSE Class 12 board exams 2027 but also for competitive medical entrance exams like NEET 2027. In this article, we have provided the chapter-wise Biology NCERT book for Class 12, which is available for free download.
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| Textbook Name | Biology — Textbook for Class XII |
| Publisher | National Council of Educational Research and Training (NCERT) |
| Parent Ministry | Ministry of Education, Government of India |
| Prescribed By | Central Board of Secondary Education (CBSE) |
| Class / Level | Class 12 / Higher Secondary |
| Languages Available | English, Hindi (Jeev Vigyan) |
| Number of Chapters | 16 (main textbook) + Supplementary Reader |
| Curriculum Framework | National Curriculum Framework (NCF) |
| Relevant Exams | CBSE Class 12 Board Exam 2027, NEET 2027 |
| Official Website | ncert.nic.in |
| CBSE Academic Website | cbseacademic.nic.in |
Key Highlights: NCERT Class 12 Biology Book 2027
Contains
| Conducting Board | CBSE (Central Board of Secondary Education) |
| Textbook Publisher | NCERT |
| Exam Level | National (School Board) |
| Board Exam Mode | Offline (Pen and Paper) |
| CBSE Class 12 Board Exam 2027 | February–March 2027 (expected) |
| NEET 2027 (Medical Entrance) | May 2027 (expected) |
| Syllabus Framework | Detailed Curriculum 2026-27 published on cbseacademic.nic.in (confirmed) |
| Official Textbook Download | ncert.nic.in/textbook.php |
| Medium of Instruction | Hindi and English |
| Price (approx.) | Rs. 150/- (main); Rs. 120/- (supplementary) — check ncert.nic.in for current price |
Disclaimer: Exam dates marked "expected" are indicative and based on previous-year patterns. They are subject to change until the official notification is released by CBSE / NTA on their respective official websites.
NCERT Class 12 Biology Book for CBSE 2027
The NCERT textbook of Biology is known for its revised and well-structured curriculum and syllabus. The book follows the CBSE syllabus, designed by highly qualified teachers and academicians. That is why many state boards also prescribe the NCERT Biology Class 12 book in most of their schools. Students can download the digital edition of this text from the free PDF links attached in this article. Alternatively, they can also buy the hard copy from the market or directly from the NCERT publication sales counter. The e-book can be saved on a phone or tablet for future reference, so that students can access it anytime. It covers almost all the major topics required to build foundational concepts about human and plant life, genetics, evolution, biotechnology, and ecology. Therefore, one must study the NCERT Class 12 Biology textbook thoroughly to score good marks in the CBSE board exam 2027.
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How to Download Biology Class 12 Book NCERT for Free?
NCERT publishes the textbook for Biology Class 12 in a digital edition as well. Students who do not wish to buy the printed hard copy can download the Biology Class 12 NCERT book for free from the PDF links attached in this article. They can follow the steps given below to download the soft copy of the NCERT textbook from the official website:
- The NCERT textbooks are available for free download from the official website. First, students must visit the official NCERT textbook page.
- In the next step, click on "Textbooks PDF (I–XII)" from the menu.
- Now select Class, Subject, and Book Title from the dropdown menu. Click on "Go".
- The chapter-wise PDF will open on the screen, from which you can download the complete book. Once downloaded, save the file on your desktop or device for future reference.
- Sometimes, due to network issues, the official website may not load properly. In that case, students can visit this article and download the chapters from the PDF links provided below. The chapter-wise e-book of Biology is also available in ZIP file format on the official site.
CBSE Class 12 2027 — Key Statistics
The following table provides reference data from the previous year (2026) CBSE Class 12 examination cycle to give students and parents a sense of scale and trends. These are approximate figures for context only.
| Parameter | Approx. Figure (2026 cycle) | Label |
| Total Registered Students (Class 12) | approx. 17–18 lakh | previous-year / expected |
| Students Opting Biology Stream | approx. 9–10 lakh | previous-year / expected |
| Overall Class 12 Pass Percentage | approx. 87–90% | previous-year / expected |
| NEET 2026 Registered Candidates | approx. 22–24 lakh | previous-year / expected |
| NCERT Biology Weightage in NEET | High — majority of questions from NCERT text | expected (based on trend) |
| CBSE Board Exam Mode | Offline (Pen and Paper) | confirmed |
Note: All figures marked "previous-year / expected" are approximate and based on publicly available trend data. A human editor must verify these against official CBSE and NTA releases before publication.
Get Chapter-wise Biology Book for Class 12 NCERT
CBSE prescribes students to study from the NCERT textbook of Biology for the board exams. Therefore, it is important for students to cover all the chapters in the NCERT book of Biology Class 12 before the board exam 2027. Only after completing the entire NCERT book should students move on to other reference books. The NCERT book also includes various diagrams, labelled figures, and flow charts which help students learn concepts more effectively. The colourful illustrations in the book aid clear understanding of theories and biological processes. Students can also memorise more easily with the help of these diagrams, which makes the learning process more engaging. NCERT textbooks are comprehensive and methodically structured so that students can learn efficiently and build strong conceptual clarity for both board exams and competitive entrance tests.
CBSE Biology Book for Class 12 English Medium Download
The Class 12 Biology book of NCERT is available in both Hindi and English editions. The chapters and units in both textbooks are the same; the only difference is the language. Students from English-medium schools can download the book from the PDF links provided in this section. Get the chapter-wise Biology Class 12 NCERT book from the links given below:
| Chapter 1: Reproduction in Organisms |
| Chapter 2: Sexual Reproduction in Flowering Plants |
| Chapter 3: Human Reproduction |
| Chapter 4: Reproductive Health |
| Chapter 5: Principles of Inheritance and Variation |
| Chapter 6: Molecular Basis of Inheritance |
| Chapter 7: Evolution |
| Chapter 8: Human Health and Diseases |
| Chapter 9: Strategies for Enhancement in Food Production |
| Chapter 10: Microbes in Human Welfare |
| Chapter 11: Biotechnology: Principles and Processes |
| Chapter 12: Biotechnology and its Applications |
| Chapter 13: Organisms and Populations |
| Chapter 14: Ecosystem |
| Chapter 15: Biodiversity and Conservation |
| Chapter 16: Environmental Issues |
Download Textbook in Biology for Class 12 NCERT in Hindi
The NCERT Biology Class 12 textbook is also available in the Hindi edition (Jeev Vigyan). The chapters in this edition are identical in content to the English edition. This is especially helpful for students from Hindi-medium schools who wish to study from the NCERT publication. Get the chapter-wise Biology book for Class 12 in Hindi from the links given below:
| अध्याय 1: जीवों में जनन |
| अध्याय 2: पुष्पी पादपों में लैंगिक जनन |
| अध्याय 3: मानव जनन |
| अध्याय 4: जनन स्वास्थ्य |
| अध्याय 5: वंशागति तथा विविधता के सिद्धांत |
| अध्याय 6: वंशागति के आणविक आधार |
| अध्याय 7: विकास |
| अध्याय 8: मानव स्वास्थ्य तथा रोग |
| अध्याय 9: खाद्य उत्पादन में वृद्धि की कार्यनीति |
| अध्याय 10: मानव कल्याण में सूक्ष्म जीव |
| अध्याय 11: जैव प्रौद्योगिकी – सिद्धांत व प्रक्रम |
| अध्याय 12: जैव प्रौद्योगिकी एवं उसके उपयोग |
| अध्याय 13: जीव और समष्टियाँ |
| अध्याय 14: पारितंत्र |
| अध्याय 15: जीव विविधता एवं संरक्षण |
| अध्याय 16: पर्यावरण के मुद्दे |
| (पूरक) पूरक पाठ्य सामग्री |
NCERT Biology Book for NEET 2027 and Other Medical Entrance Exams
Apart from the CBSE board exams, the NCERT Biology Class 12 book is also strongly recommended for various competitive medical entrance examinations. Most aspirants preparing for NEET 2027 are advised to treat the NCERT textbook as their primary study resource for scoring a decent rank. Teachers and educators who guide students through NEET exam preparation consistently recommend beginning with the NCERT book before moving to any supplementary reference material. After completing the NCERT textbook thoroughly, students can go for other reference books that are available in the market. It has been widely observed that the majority of questions in competitive medical entrance exams are based directly on NCERT content. In many cases, questions are asked verbatim from within chapters or from the end-of-chapter exercises. Therefore, it is wise to study the NCERT Biology textbook for Class 12 diligently if you are a medical aspirant targeting NEET 2027.
NCERT Supplementary Textbook in Biology for Class 12
Along with the main textbook, NCERT also publishes a Supplementary Textbook for Class 12 students. The purpose of the supplementary book is to aid the easy understanding of certain difficult terms and concepts that are dealt with briefly in the main book. This textbook is in addition to the main course book and is not a replacement for it. It is designed to enhance the thinking and analytical skills of students, developing a deeper interest in the subject. Some concepts that are explained only briefly in the main book are elaborated upon in the supplementary book. Therefore, students are recommended to refer to the NCERT supplementary textbook alongside the main textbook. This practice will also strengthen their preparation for the board exam 2027 and help them score better marks.
Price of Biology NCERT Textbook
NCERT books are not expensive because they are published under the Government of India. The prices of these textbooks are regulated by the Government body. As a result, NCERT books are easily affordable for students from all sections of society. In the table below, we have provided the approximate price of the Biology book. However, prices may differ from those actually printed on the textbook cover, and may be revised. Therefore, one must check the current price from the official website of NCERT at ncert.nic.in.
| Name of NCERT Book for Class 12 | Price* (Approx.) |
| Biology Textbook for Class 12 | Rs. 150/- |
| Biology Supplementary Book for Class 12 | Rs. 120/- |
*Prices are approximate and for indicative purposes only. Check ncert.nic.in for the current official price list.
Official Sources
- https://ncert.nic.in/textbook.php — Official NCERT Textbook Download Portal
- https://ncert.nic.in — NCERT Official Website
- https://cbseacademic.nic.in — CBSE Academic Website (Curriculum 2026-27 confirmed)
- https://www.cbse.gov.in — CBSE Main Website
Conclusion
The NCERT Class 12 Biology book remains the single most important textbook for students appearing in the CBSE board exam 2027 and for medical aspirants targeting NEET 2027. All 16 chapters — from Reproduction in Organisms to Environmental Issues — are available as free chapter-wise PDFs in both Hindi and English from the links in this article, or directly from ncert.nic.in. Students should complete the NCERT textbook and supplementary reader first, study all diagrams carefully, and then use reference books for additional practice. Always check the official NCERT and CBSE websites for the most up-to-date syllabus, price list, and exam schedule before preparing your study plan for 2027.