Download the NCERT Class 11 Biology book PDF 2026-27 – all 19 chapters as free PDFs, to read online or download. It is the current NCERT book; new NCERT Class 11 books are expected from 2027-28.
NCERT Class 11 Biology Book – Key Facts
| Book | Biology |
| Class | Class 11 |
| Chapters | 19 |
| Status | Current NCERT book (rationalised in 2023-24) |
| Next change | New NCERT books expected from 2027-28 |
| Edition | NCERT Reprint 2026-27 |
| Medium | English and Hindi |
NCERT Class 11 Biology Chapters (2026-27)
All 19 chapters of Biology – open a chapter to read it online or download the PDF.
About the NCERT Class 11 Biology Book
Covering nineteen chapters, the NCERT Class 11 Biology book gives students a wide view of life sciences, from the diversity captured in biological classification and the plant and animal kingdoms to the fine detail of the cell as the unit of life. Later units explore photosynthesis and respiration in plants alongside human systems such as body fluids and circulation and neural control and coordination. The book is available to read online and download as a free PDF.
More for Class 11 Biology
Solutions, notes and practice for Class 11 Biology:
NCERT Class 11 Biology Book – FAQs
How many chapters are in the NCERT Class 11 Biology book?
19 chapters.
Is there a new NCERT Class 11 Biology book in 2026-27?
No. The current book is used in 2026-27; new books are expected from 2027-28.
Is this the latest edition of the NCERT Class 11 Biology book?
Yes – the PDFs are NCERT’s latest edition for 2026-27.
Can I download the NCERT Class 11 Biology book PDF?
Yes – every chapter is a free PDF; the full book is linked on each chapter page.