CBSE Class 11 Biology Syllabus 2025–26 | NCERT
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CBSE CLASS 11 – BIOLOGY (NCERT) | SYLLABUS 2025–26
Class: XI
Subject: Biology
Board: Central Board of Secondary Education (CBSE)
🧬 Question Paper Pattern & Marking Scheme (CBSE 2025–26)
Annual Examination (Theory): 70 Marks
Practical / Internal Assessment: 30 Marks
Total: 100 Marks
Question Paper Structure (Theory – 70 Marks)
- Section A: Very Short Answer (VSA) / MCQs
1 mark each – definitions, basic concepts, diagrams - Section B: Short Answer–I (SA-I)
2 marks each – explanations and simple applications - Section C: Short Answer–II (SA-II)
3 marks each – concept-based and analytical questions - Section D: Long Answer (LA)
5 marks each – descriptive answers, diagrams, reasoning - Section E: Case-based / Assertion–Reason questions
4–5 marks – competency-based and application-oriented
Practical / Internal Assessment (30 Marks)
- Practical Experiments & Record File – 15 marks
- Practical Examination – 10 marks
- Viva Voce – 5 marks
Note: Practical assessment emphasizes laboratory skills, observation, biological diagrams, experiments, and scientific reasoning.
🌱 CBSE Class 11 Biology Syllabus (NCERT) – 2025–26
| Unit | Chapter Title | Brief Chapter Summary / Learning Outcomes |
|---|---|---|
| I | The Living World | Characteristics of living organisms, biodiversity, taxonomy, nomenclature, and classification systems. |
| II | Biological Classification | Five-kingdom classification, characteristics of Monera, Protista, Fungi, Plantae, and Animalia. |
| III | Plant Kingdom | Major plant groups, life cycles, and salient features of algae, bryophytes, pteridophytes, gymnosperms, and angiosperms. |
| IV | Animal Kingdom | Basis of classification, major phyla, and key characteristics of animal groups. |
| V | Morphology of Flowering Plants | Structure and modifications of roots, stems, leaves, flowers, fruits, and seeds. |
| VI | Anatomy of Flowering Plants | Internal structure of dicot and monocot roots, stems, leaves, and secondary growth. |
| VII | Structural Organisation in Animals | Tissues, organs, and organ systems in animals; earthworm, frog, and cockroach. |
| VIII | Cell: The Unit of Life | Cell theory, cell structure, organelles, and differences between prokaryotic and eukaryotic cells. |
| IX | Biomolecules | Chemical composition of living organisms, carbohydrates, proteins, lipids, nucleic acids, and enzymes. |
| X | Cell Cycle and Cell Division | Phases of cell cycle, mitosis, meiosis, and their significance. |
| XI | Photosynthesis in Higher Plants | Photosynthetic pigments, light and dark reactions, and factors affecting photosynthesis. |
| XII | Respiration in Plants | Cellular respiration, glycolysis, Krebs cycle, and electron transport system. |
| XIII | Plant Growth and Development | Growth phases, plant hormones, photoperiodism, vernalization, and development processes. |
| XIV | Breathing and Exchange of Gases | Mechanism of breathing, respiratory organs, transport of gases, and regulation. |
| XV | Body Fluids and Circulation | Blood, lymph, heart structure, cardiac cycle, and circulatory disorders. |
| XVI | Excretory Products and Their Elimination | Human excretory system, urine formation, regulation, and disorders. |
| XVII | Locomotion and Movement | Types of movement, skeletal muscles, bones, joints, and disorders. |
| XVIII | Neural Control and Coordination | Nervous system, neurons, impulse transmission, and sense organs. |
| XIX | Chemical Coordination and Integration | Endocrine system, hormones, mechanisms of action, and disorders. |
✅ Key Highlights
- Fully aligned with NCERT textbooks and CBSE academic session 2025–26
- Balanced coverage of botany, zoology, cell biology, and human physiology
- Strong foundation for Class 12 Biology, NEET, CUET, and other medical entrance exams
🔍 Related Keyphrases
- CBSE Class 11 Biology Syllabus 2025–26
- NCERT Class 11 Biology Curriculum
- Class 11 Biology Exam Pattern CBSE
- CBSE Class 11 Biology Practical Syllabus
- Class 11 Biology NCERT Chapters
