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The NCERT Class 11 Biology textbook is a necessary tool for students who wish to lay a solid foundation in biological sciences. The book, famous for its straightforward explanations and systematic approach, covers cell biology, plant physiology, animal physiology, genetics, and ecology, making them easy to understand for all students. It is divided into chapters and units, each followed by a detailed table of contents and followed by summaries and exercises. It is completely aligned with the most recent CBSE curriculum and highly recommended for preparation for both the board exam as well as for competitive exams like NEET, where basic clarity becomes essential.
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By referring to the Biology textbook, students can develop their problem-solving skills and increase their understanding of scientific principles. The NCERT book focuses on basic understanding rather than exact memorisation, incorporating good-quality diagrams, practical activities, and self-test questions to improve understanding. Downloading the PDF of Class 11 Biology NCERT provides learners straightforward access to the entire syllabus, key topics, and in-depth explanations, hence making it a handy study companion for success in exams.
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Students can go through the table below to know the Biology syllabus and weightage of each unit. So that they can start to prepare accordingly. Students can also find NCERT Biology class 11 solutions here.
Given below are the biology units along with the respective chapter names:
Unit no. | Unit Name | English Medium | Hindi medium |
1 | Diversity of Living Organisms | जीव जगत जीव जगत का वर्गीकरण वनस्पति जगत प्राणि जगत | |
2 | Structural Organisation in Plants and Animals | पुष्पी पादपों का आकारिकी पुष्पी पादपों का शारीर प्राणियों में संरचनात्मक संगठन | |
3 | Cell: Structure and Function | कोशिका : जीवन की इकाई जैव अणु कोशिका चक्र और कोशिका विभाजन | |
4 | Plant Physiology | उच्च पादपों में प्रकाश-संश्लेषण पादप वृद्धि एवं परिवर्धन पादप में श्वसन | |
5 | Human Physiology | श्वसन और गैसों का विनिमय शरीर द्रव तथा परिसंचरण उत्सर्जी उत्पाद एवं उनका निष्कासन गमन एवं संचलन तंत्रिकीय नियंत्राण एवं समन्वय तंत्रिकीय नियंत्राण एवं समन्वय |
Download NCERT 11th Biology Book 2025-26 PDF
Students can download the book from here: NCERT Class 11 Biology Book PDF 2025-26
The NCERT Class 11 Biology textbook is in accordance with the current CBSE syllabus and gives concise explanations of every topic. It deals with key concepts that are regularly asked about in exams, making it easy for students to prepare well for their board exams. The textbook is also an excellent study guide for self-study, making students organise their studies and exam approach in an effective manner. With its systematic content and simple language, the book makes learning Biology easier and more efficient.
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Students can access other NCERT books here by clicking on the links provided below:
NCERT Books for Class 11 Hindi | NCERT Books for Class 11 Maths |
NCERT Books for Class 11 English | NCERT Books for Class 11 Physics |
NCERT Books for Class 11 Chemistry | - |
There are 22 chapters grouped under five thematic units in the Class 11 Biology NCERT book.
The official NCERT website provides free PDF downloads of the Class 11 Biology book
Yes, the 2025-26 edition is completely rewritten and aligned with the revised syllabus and curriculum framework.
Yes, the NCERT Biology book for Class 11 is available in both English and Hindi mediums for free download.
Each chapter ends with a summary and a set of questions for self-assessment and revision.
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