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 08 Sep 2026
Contains
Checked on 08 Sep 2026
As of 08 Sep 2026, CBSE Class 11 2027 is in the ongoing academic session; no new syllabus or exam notification has been officially released yet by CBSE for the 2026–27 batch.
| Exam | CBSE Class 11 2027 |
|---|---|
| Status | CBSE has published the Detailed Curriculum 2026-27 on cbseacademic.nic.in, though no specific Class 11 2027 syllabus update is separately confirmed. |
| Next expected | NCERT revised Class 11 Biology textbooks (if any) expected to be finalised by Oct–Nov 2026, based on previous-year NCERT update cycles. |
| Official website | cbseacademic.nic.in |
| Last verified | 08 Sep 2026 |
As of 08 September 2026, CBSE Class 11 2027 is midway through the 2026–27 academic session. CBSE has published its Detailed Curriculum 2026-27 on its academic portal, and ongoing teacher training programmes for skill subjects are underway — but no specific new syllabus notification or exam schedule for Class 11 annual exams (2027) has been officially released yet. The NCERT Class 11 Biology books currently in use are aligned with the existing CBSE syllabus; students should verify the latest edition on cbseacademic.nic.in. Based on the previous-year pattern, the CBSE date sheet for Class 11 annual exams is typically released around December 2026–January 2027, with theory exams held in February–March 2027. Students are advised to follow the 2026-27 CBSE syllabus as published and watch for any revised NCERT textbook notifications from NCERT or CBSE in the coming months. Official website: cbseacademic.nic.in.
- CBSE has published the Detailed Curriculum 2026-27 on cbseacademic.nic.in, though no specific Class 11 2027 syllabus update is separately confirmed.
- CBSE's academic website (cbseacademic.nic.in) references the National Curriculum Framework-2005 as the guiding framework for curriculum decisions.
- A Curriculum Framework for Computational Thinking (CT) and Artificial Intelligence (AI) for Classes III–VIII has been released for 2026-27, though not specifically for Class 11.
- Results of Skill Expo 2026–27 Regional Events at Amritsar, Gurugram, Ambala, and Shimla have been announced on the official CBSE site.
- NCERT revised Class 11 Biology textbooks (if any) expected to be finalised by Oct–Nov 2026, based on previous-year NCERT update cycles.
- CBSE Class 11 mid-term/half-yearly exams typically scheduled around Oct–Nov 2026 (last year: similar window).
- CBSE Class 11 practical exam schedule for 2026–27 expected to be notified around Nov–Dec 2026 (last year: Dec 2025).
- CBSE Class 11 annual/theory exams for 2026–27 (i.e., CBSE Class 11 2027 exams) expected around Feb–Mar 2027, based on previous-year patterns.
- CBSE date sheet for Class 11 2027 expected to be released on cbse.gov.in around Dec 2026–Jan 2027 (last year: Jan 2026).
- Any revised CBSE Class 11 syllabus for 2027 expected to be notified on cbseacademic.nic.in by Oct 2026 if changes are planned.
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 official change to the CBSE Class 11 2027 syllabus, exam pattern, or schedule has been announced yet; updates are typically released closer to the academic year-end.
No major change has been officially announced yet for CBSE Class 11 2027 syllabus, Biology textbooks, exam pattern, or marking scheme. The Detailed Curriculum 2026-27 has been published on cbseacademic.nic.in, but no specific revision to the Class 11 Biology syllabus has been confirmed in the official source material available as of 08 Sep 2026. A new Curriculum Framework for Computational Thinking and AI has been introduced for Classes III–VIII, which does not directly affect Class 11 Biology. Any changes to NCERT Class 11 Biology books or CBSE's exam structure for 2027 remain tentative until officially notified.
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 CBSE released the Class 11 syllabus for 2027?
The CBSE Detailed Curriculum 2026-27 has been published on cbseacademic.nic.in, but a specific updated syllabus document for Class 11 2027 annual exams has not been separately confirmed as of 08 Sep 2026.
Are NCERT Class 11 Biology books revised for 2026-27?
No official revision to NCERT Class 11 Biology textbooks has been confirmed by CBSE or NCERT in the official sources available as of today. Students should use the current edition and check ncert.nic.in for any updates.
When will the CBSE Class 11 2027 date sheet be released?
Based on previous-year patterns, the CBSE Class 11 date sheet is typically released around December 2026–January 2027. No official date sheet has been released yet.
When are CBSE Class 11 annual exams expected in 2027?
CBSE Class 11 annual theory exams are typically held in February–March 2027, following the previous-year pattern. This is tentative until CBSE officially notifies the schedule.
Where can I download the NCERT Class 11 Biology PDF for free?
NCERT Class 11 Biology PDFs are officially available for free download on ncert.nic.in. Always use the official NCERT site to ensure you have the latest edition.
Has CBSE changed the exam pattern for Class 11 Biology in 2027?
No change to the Class 11 Biology exam pattern has been officially announced for 2027 as of 08 Sep 2026. Students should follow the existing pattern until CBSE notifies otherwise.
Is the CBSE Class 11 syllabus based on the National Curriculum Framework?
Yes, CBSE's official academic website confirms that its curriculum is guided by the National Curriculum Framework-2005 and Government of India policies.
Where should students check for the latest CBSE Class 11 2027 updates?
Students should regularly check cbseacademic.nic.in for syllabus and curriculum updates, and cbse.gov.in for date sheets and official exam notifications.