The NCERT Class 11 Biology Books for the 2026–27 academic session are available as free chapter-wise PDFs from the official NCERT website (ncert.nic.in). Published by the National Council of Educational Research and Training (NCERT) and prescribed by the Central Board of Secondary Education (CBSE) for Class 11 Science students, this textbook is the primary resource for both board examinations and national-level medical entrance tests such as NEET UG 2027.
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CBSE Class 11 2027 Latest Update as on 04 Oct 2026
Contains
Checked on 04 Oct 2026
CBSE Class 11 2027 is currently in its active academic session 2026-27, with curriculum and sample question papers already released by CBSE; students should follow cbseacademic.nic.in for syllabus and study materials.
| Exam | CBSE Class 11 2027 |
|---|---|
| Status | CBSE Academic session 2026-27 is officially underway as confirmed on cbseacademic.nic.in. |
| Next expected | Oct–Nov 2026 (expected): CBSE may release Class 11 internal assessment/practical schedules based on previous-year patterns. |
| Official website | cbseacademic.nic.in |
| Last verified | 04 Oct 2026 |
As of 04 October 2026, CBSE Class 11 2027 is well into its active academic session 2026-27. The Central Board of Secondary Education has officially published the Detailed Curriculum 2026-27 and Sample Question Papers for the current session on cbseacademic.nic.in, giving students and educators a clear framework for the year. NCERT Class 11 Biology books in use are those aligned with this curriculum, and no official revision to the Class 11 Biology syllabus has been announced. The board continues to operate under the National Curriculum Framework-2005. Based on previous-year patterns, schools are expected to conduct mid-term exams between November and December 2026, with annual exams likely in March–April 2027. Students preparing for CBSE Class 11 2027 should download the latest curriculum from cbseacademic.nic.in, refer to official NCERT textbooks, and track circulars and notifications regularly on the same portal.
- CBSE Academic session 2026-27 is officially underway as confirmed on cbseacademic.nic.in.
- Sample Question Papers for Classes X & XII for Academic Session 2026-27 have been released by CBSE.
- Detailed Curriculum 2026-27 is available on cbseacademic.nic.in.
- Curriculum Framework for Computational Thinking (CT) and Artificial Intelligence (AI) for Classes III–VIII has been released, indicating ongoing curriculum update activity.
- CBSE is operating in alignment with the National Curriculum Framework-2005 and related government policies.
- Oct–Nov 2026 (expected): CBSE may release Class 11 internal assessment/practical schedules based on previous-year patterns.
- Nov–Dec 2026 (expected): Mid-term/half-yearly examinations for Class 11 typically conducted by schools as per CBSE guidelines.
- Jan 2027 (expected): NCERT and CBSE may release any revised syllabus notifications or updated NCERT textbooks for 2026-27, based on past cycles.
- Jan–Feb 2027 (expected): Pre-board examinations for Class 12 begin; Class 11 annual exam schedules typically circulated by schools.
- Mar–Apr 2027 (expected): Class 11 annual/year-end examinations conducted by respective schools, as per CBSE's school-level assessment norms.
- Apr–May 2027 (expected): Class 11 results declared by schools; students promoted to Class 12 based on performance.
Sources: CBSE Official Website · CBSE Academic Website
| Detail | Information |
|---|---|
| Textbook title (English) | Biology — Textbook for Class XI |
| Textbook title (Hindi) | Jeev Vigyan — Kaksha XI |
| Published by | National Council of Educational Research and Training (NCERT) |
| Prescribed by | Central Board of Secondary Education (CBSE) |
| Academic session | 2026–27 (for students appearing in Class 11 board/promotion exams in 2027) |
| Curriculum framework | National Curriculum Framework (NCF) — confirmed basis per cbseacademic.nic.in |
| Number of chapters | 22 (same in both English and Hindi editions) — previous-year/expected |
| Medium available | English and Hindi |
| Download (free PDF) | ncert.nic.in |
| MRP — English edition | Rs. 150 (approx.; verify on the printed copy) — previous-year/expected |
| MRP — Hindi edition | Rs. 120 (approx.; verify on the printed copy) — previous-year/expected |
| NEET UG relevance | Strongly recommended as primary resource — confirmed by NTA/coaching consensus |
Having tracked NCERT textbook releases and CBSE curriculum updates for several years, here is what we consistently observe:
- The NCERT website (ncert.nic.in) experiences heavy traffic at the start of each academic session (typically April–May) and around exam-preparation months (September–October). If a page fails to load, wait a few minutes and retry, or use the chapter-wise links we have listed in this article.
- Students frequently confuse the Class 11 Biology textbook with its supplementary exemplar problem book. Both are useful, but for NEET UG 2027 preparation, begin with the main textbook and use the exemplar only after completing every in-chapter and end-chapter exercise.
- Hindi-medium students sometimes discover mid-session that certain diagrams in the Hindi edition (Jeev Vigyan) carry English labels — this is intentional, as scientific nomenclature is standardised in English. Do not treat it as a printing error.
About the NCERT Class 11 Biology Books for the 2027 Cycle
NCERT designs its textbooks under the guidelines of the National Curriculum Framework (NCF), as confirmed by the CBSE Academic unit at cbseacademic.nic.in. The Class 11 Biology textbook is used by the vast majority of CBSE-affiliated schools and is additionally recommended by several state boards across India. It is written and reviewed by qualified subject-matter experts and academic professionals, and uses coloured illustrations and diagrams to make abstract biological concepts — cell structure, photosynthesis pathways, circulatory systems — easier to visualise and retain.
For the 2026–27 academic session, no structural revision to the Class 11 Biology textbook has been officially announced by NCERT as of the time of publication. Students and parents should check ncert.nic.in directly for any mid-session corrigenda or supplementary material. This article will be updated if a revised edition is released.
How to Download the NCERT Class 11 Biology Books (2027 Cycle)
NCERT makes all its textbooks available for free download. Follow these steps to download the Class 11 Biology PDF directly from the official source:
- Visit the official NCERT website: ncert.nic.in
- On the homepage, look for the Textbooks PDF (I–XII) section or navigate through the Publication menu.
- Select Class: XI, Subject: Biology, and Book Title from the dropdown menus.
- Click Go. A list of chapter-wise PDF links will appear.
- Click any chapter link to open the PDF in your browser, then save it to your device.
- Alternatively, download the full book as a ZIP file if that option is available for your selection.
Tip: If the NCERT website is slow or unavailable due to server load, return after some time. The textbook is also available on the DIKSHA platform (diksha.gov.in) and the ePathshala app published by NCERT.
Chapter-wise List — NCERT Class 11 Biology Books (English Medium)
Major Changes This Year
No officially confirmed changes to the CBSE Class 11 2027 syllabus or exam pattern have been announced yet; the board is operating under the Detailed Curriculum 2026-27 published on cbseacademic.nic.in.
No major change has been officially announced yet for the CBSE Class 11 2027 syllabus, exam pattern, or NCERT Biology textbooks. The board has released the Detailed Curriculum 2026-27, which currently governs Class 11 studies, but no explicit revision specific to Class 11 Biology has been confirmed in official communications. It is tentatively expected, based on past trends, that NCERT may update certain chapters in alignment with the National Education Policy (NEP) framework, but this remains unconfirmed. Students should watch cbseacademic.nic.in for any official notifications regarding syllabus changes.
The English edition of the Class 11 Biology textbook covers 22 chapters organised across five units. The chapter structure below reflects the edition current as of the 2024–25 session; confirm against the latest version at ncert.nic.in for the 2026–27 session.
| Unit | Chapter No. | Chapter Title |
|---|---|---|
| Unit I: Diversity in the Living World | 1 | The Living World |
| 2 | Biological Classification | |
| 3 | Plant Kingdom | |
| 4 | Animal Kingdom | |
| Unit II: Structural Organisation in Plants and Animals | 5 | Morphology of Flowering Plants |
| 6 | Anatomy of Flowering Plants | |
| 7 | Structural Organisation in Animals | |
| Unit III: Cell: Structure and Function | 8 | Cell: The Unit of Life |
| 9 | Biomolecules | |
| 10 | Cell Cycle and Cell Division | |
| Unit IV: Plant Physiology | 11 | Transport in Plants |
| 12 | Mineral Nutrition | |
| 13 | Photosynthesis in Higher Plants | |
| 14 | Respiration in Plants | |
| 15 | Plant Growth and Development | |
| Unit V: Human Physiology | 16 | Digestion and Absorption |
| 17 | Breathing and Exchange of Gases | |
| 18 | Body Fluids and Circulation | |
| 19 | Excretory Products and their Elimination | |
| 20 | Locomotion and Movement | |
| 21 | Neural Control and Coordination | |
| 22 | Chemical Coordination and Integration |
Chapter-wise List — NCERT Class 11 Biology Books (Hindi Medium)
The Hindi edition, titled Jeev Vigyan, contains the same 22 chapters and five units as the English edition. All diagrams appear in both editions; scientific terms are given in English as is standard practice in Indian biology education.
| Ikaai (Unit) | Adhyaay (Chapter) | Shirshak (Title) |
|---|---|---|
| Ikaai Ek: Jeev Jagat Mein Vividhata | 1 | Jeev Jagat |
| 2 | Jeev Jagat Ka Vargikaran | |
| 3 | Vanaspati Jagat | |
| 4 | Prani Jagat | |
| Ikaai Do: Padap evam Praniyon Mein Sanrachnatmak Sangathan | 5 | Pushpi Padapon Ki Aakariki |
| 6 | Pushpi Padapon Ka Shareer | |
| 7 | Praniyon Mein Sanrachnatmak Sangathan | |
| Ikaai Teen: Koshika — Sanrachna evam Karya | 8 | Koshika: Jeevan Ki Ikaai |
| 9 | Jeev Anu | |
| 10 | Koshika Chakra Aur Koshika Vibhajan | |
| Ikaai Chaar: Padap Karyakiya | 11 | Paudhon Mein Parivahan |
| 12 | Khanij Poshan | |
| 13 | Uccha Padapon Mein Prakash Sanshleshan | |
| 14 | Padap Mein Shwasan | |
| 15 | Padap Vriddhi Evam Parwardhan | |
| Ikaai Paanch: Maanav Shareer Vigyan | 16 | Pachan Evam Avshoshon |
| 17 | Shwasan Aur Gaison Ka Vinimay | |
| 18 | Shareer Drav Tatha Parisancharan | |
| 19 | Utsarji Utpad Evam Unka Nishkasan | |
| 20 | Gaman Evam Sanchalan | |
| 21 | Tantrakiya Niyantran Evam Samanvay | |
| 22 | Rasayanik Samanvay Tatha Ekikaran |
NCERT Class 11 Biology and NEET UG 2027
NEET UG 2027 will be conducted by the National Testing Agency (NTA) for admission to MBBS, BDS, AYUSH, and other medical and allied health programmes in India. Biology (Botany + Zoology) carries 360 out of 720 marks in NEET UG — the single largest section — and the question paper is overwhelmingly based on NCERT Class 11 and Class 12 Biology textbooks.
Educators and subject experts consistently advise candidates to:
- Read each NCERT chapter at least twice before moving to any reference book.
- Pay close attention to diagrams (e.g., the structure of a typical eukaryotic cell in Chapter 8, the Z-scheme in Chapter 13, and the cardiac cycle in Chapter 18) as diagram-based questions appear in NEET annually.
- Solve all in-text questions and end-of-chapter exercises — these are not optional; many NEET questions are paraphrased directly from NCERT exercise problems.
- Use the NCERT Exemplar Problem book as a second-level practice resource once the main textbook is thorough.
Beyond NEET UG, the Class 11 Biology textbook is also recommended for Biology Olympiads (NSEB/INBO), JIPMER-style entrance preparation, and general science foundation for UPSC aspirants who choose Biology as an optional subject.
Note: AIIMS undergraduate admissions merged with NEET UG from 2020 onwards and are no longer conducted separately. JIPMER undergraduate admissions similarly merged with NEET UG. Candidates should refer to the NTA official website for the latest NEET UG 2027 notification.
NCERT Biology Exemplar and Supplementary Material
Every NCERT textbook chapter ends with exercises that test both conceptual understanding and application. If a student finds a concept insufficiently explained in the main textbook — for instance, detailed enzyme kinetics in Biomolecules, or the molecular mechanism of muscle contraction in Chapter 20 — the NCERT Exemplar Problems in Biology for Class XI provides extended problems and solutions at a slightly higher difficulty level. This supplementary book is also freely downloadable from ncert.nic.in.
Additionally, NCERT periodically releases supplementary reading material (listed under the Supplementary Textual Material section on ncert.nic.in). Students preparing for competitive exams should bookmark that section and check it at the start of the 2026–27 session.
Price of the NCERT Class 11 Biology Textbook (2026–27)
NCERT textbooks are priced significantly lower than those of most private publishers, making them accessible to students from all economic backgrounds. The prices below are based on previous-year MRP figures; verify the exact price printed on your copy or on the NCERT website for the 2026–27 edition.
| Book | Medium | Indicative MRP* | Status |
|---|---|---|---|
| Biology — Textbook for Class XI | English | Rs. 150 (approx.) | Previous-year/expected |
| Jeev Vigyan — Kaksha XI | Hindi | Rs. 120 (approx.) | Previous-year/expected |
*Prices may vary. The printed MRP on the book and the NCERT online store (ncert.nic.in) are the authoritative references. Purchased copies from unauthorised sellers may differ in price or quality.
What Is Not Yet Announced for the 2027 Cycle
As of the time of publication, the following details are not yet officially confirmed for the 2026–27 session:
- Any revised or updated edition of the Class 11 Biology NCERT textbook specifically for 2026–27.
- Changes to the CBSE Class 11 Biology syllabus for 2026–27 (check cbseacademic.nic.in for the Detailed Curriculum 2026–27 once published).
- NEET UG 2027 exam date and application schedule (expected to be announced by NTA at nta.ac.in in late 2026 or early 2027).
Disclaimer: All dates and session-specific information in this article are indicative and based on the previous academic year’s pattern. Treat them as planning references only until confirmed by the official NCERT or CBSE notification.
Official Sources
- ncert.nic.in — NCERT official website; textbook PDFs, exemplar books, supplementary material
- cbseacademic.nic.in — CBSE Academic unit; syllabus, curriculum framework, school circulars
- cbse.gov.in — CBSE main website; board exam notifications and results
- nta.ac.in — National Testing Agency; NEET UG 2027 notification, application and schedule
Frequently Asked Questions
Has the CBSE Class 11 Biology syllabus for 2026-27 changed officially?
No official change to the CBSE Class 11 Biology syllabus has been announced as of 04 Oct 2026. The Detailed Curriculum 2026-27 is published on cbseacademic.nic.in and should be referred to for the current syllabus.
Where can I download NCERT Class 11 Biology books for 2026-27?
NCERT textbooks can be downloaded from ncert.nic.in. The books in use for 2026-27 are aligned with the CBSE Detailed Curriculum 2026-27 published on cbseacademic.nic.in.
When will CBSE Class 11 annual exams 2027 be held?
No official date has been announced yet. Based on previous-year patterns, Class 11 annual examinations are typically conducted by schools in March–April 2027.
Are NCERT Class 11 Biology books being revised for 2027?
No official revision of NCERT Class 11 Biology textbooks has been confirmed as of 04 Oct 2026. Students should use the current NCERT books aligned with the 2026-27 curriculum.
What is the official website for CBSE Class 11 curriculum and syllabus?
The official website for CBSE academic curriculum and syllabus is cbseacademic.nic.in, where the Detailed Curriculum 2026-27 is currently available.
Is CBSE following NEP 2020 changes for Class 11 Biology in 2026-27?
CBSE has not officially announced NEP-specific changes to Class 11 Biology for 2026-27. The board continues to operate under the National Curriculum Framework-2005 as per official communications.
When will CBSE release sample papers for Class 11 Biology 2026-27?
Sample Question Papers for Classes X and XII for 2026-27 have already been released. Sample papers specifically for Class 11 are typically issued at the school level; check cbseacademic.nic.in for official updates.