Download the NCERT Class 12 Biology book PDF 2026-27 – all 13 chapters as free PDFs, to read online or download. It is the current NCERT book for the CBSE Class 12 board exam 2027.
NCERT Class 12 Biology Book – Key Facts
| Book | Biology |
| Class | Class 12 |
| Chapters | 13 |
| Status | Current NCERT book (rationalised in 2023-24) |
| Next change | No new book announced yet |
| Edition | NCERT Reprint 2026-27 |
| Medium | English and Hindi |
NCERT Class 12 Biology Chapters (2026-27)
All 13 chapters of Biology – open a chapter to read it online or download the PDF.
About the NCERT Class 12 Biology Book
Covering 16 chapters, the NCERT Class 12 Biology book explores reproduction in organisms and flowering plants, human reproduction and reproductive health, and the principles of inheritance alongside the molecular basis of heredity. Later units examine evolution, human health and disease, biotechnology and its applications, ecosystems, and biodiversity conservation. Students can study this 2026-27 edition of Biology online or download it as a free PDF.
More for Class 12 Biology
Solutions, notes and practice for Class 12 Biology:
NCERT Class 12 Biology Book – FAQs
How many chapters are in the NCERT Class 12 Biology book?
13 chapters.
Is there a new NCERT Class 12 Biology book in 2026-27?
No. The current book is used in 2026-27.
Is this the latest edition of the NCERT Class 12 Biology book?
Yes – the PDFs are NCERT’s latest edition for 2026-27.
Can I download the NCERT Class 12 Biology book PDF?
Yes – every chapter is a free PDF; the full book is linked on each chapter page.