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The NCERT Biology syllabus for Class 11 explains different processes of life. It helps students understand plants, animals, and the human body, and how they perform different functions. This syllabus discusses all basic concepts in a well-structured and organised way. It prepares the students for school exams and entrance exams like NEET. It builds a strong base in Biology and keeps students interested. NCERT books explain all the topics included in the syllabus in a clear and student-friendly manner.
Class 11 Biology Syllabus 2025-26 is divided into 5 units. This syllabus is followed by the CBSE Board and other national education boards. It covers units like diversity in the living world, structural organisation in plants and animals, cell structure, plants, and human physiology. Each chapter has simple explanations, well-labeled diagrams, and real-life examples. At the end of every chapter, practice questions are given to make learning more effective. The NCERT syllabus is a valuable resource for students to score well in their exams.
The syllabus is divided into five units and a total of 19 chapters. The section below provides a unit-wise breakdown of the theory part, which highlights all the chapters students have to study throughout the session.
Chapter 1: The Living World
What is living?
Taxonomy and systematics
Concept of species
Taxonomical hierarchy
Tools for the study of taxonomy (museums, zoological parks, herbaria, botanical gardens, keys)
Chapter 2: Biological Classification
Salient features of Monera, Protista, and Fungi
Lichens, Viruses, Viroids
Chapter 3: Plant Kingdom
Classification of plants
Algae, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms
Salient features and examples
Chapter 4: Animal Kingdom
Classification of animals
Non-chordates up to the phylum level
Chordates up to the class level
Salient features and examples
Chapter 5: Morphology of Flowering Plants
Root, stem, leaf, inflorescence, flower, fruit, seed morphology
Family Solanaceae description
Chapter 6: Anatomy of Flowering Plants
Tissue systems in dicots and monocots
Anatomy and functions
Chapter 7: Structural Organisation in Animals
Morphology and anatomy of the digestive, circulatory, respiratory, nervous, and reproductive systems of the frog
Chapter 8: Cell: The Unit of Life
Cell organelles and their functions
Ultrastructure of organelles
Chapter 9: Biomolecules
Chemical constituents of cells
Structure and function of proteins, carbohydrates, lipids, and nucleic acids
Enzymes and action
Chapter 10: Cell Cycle and Cell Division
Cell cycle phases
Mitosis and meiosis
Significance of cell division
Chapter 11: Photosynthesis in Higher Plants
Photosynthesis process
Factors affecting photosynthesis
Chapter 12: Respiration in Plants
Aerobic and anaerobic respiration
Glycolysis, Krebs cycle, electron transport chain
Chapter 13: Plant Growth and Development
Growth phases
Plant hormones and their functions
Seed dormancy and germination
Chapter 14: Breathing and Exchange of Gases
Mechanism of breathing
Transport of gases
Chapter 15: Body Fluids and Circulation
Blood composition and functions
Circulatory system in humans and frogs
Chapter 16: Excretory Products and their Elimination
Urine formation
Osmoregulation
Chapter 17: Locomotion and Movement
Human skeletal system and muscular system
Types of muscles
Movement mechanism
Chapter 18: Neural Control and Coordination
Nervous system
Neuron structure and function
Chapter 19: Chemical Coordination and Integration
Functions and disorders
Download: NCERT Syllabus for Class 11 Biology PDF
CBSE prescribes the NCERT Books for every subject. CBSE prescribed the “Biology Class-XI, Published by NCERT” book to cover the 11th class Biology syllabus. Apart from this, Candidates should also read other reference books to gain additional information, which is listed below:
Trueman’s Biology (Volume 1 & 2) – By K.N. Bhatia and M.P. Tyagi
Pradeep’s A Textbook of Biology – By P.S. Dhami
Dinesh Objective Biology – By Ashish Sarabhai
Biology by Arihant Experts
CBSE also conducts a practical examination of 30 marks for 3 hours. NCERT has given the syllabus for practical exams, which are explained below. These practicals help students apply theoretical knowledge through hands-on activities and experiments.
Particular | Marks assigned |
One Major Experiment Part A (Experiment No 1,3,7,8) | 5 |
One Minor Experiment Part A (Experiment No 6,9,10,11,12,13) | 4 |
Slide Preparation Part A (Experiment No 2,4,5) | 5 |
Spotting Part B | 7 |
Practical Record + Viva Voce | 4 |
Project Record + Viva Voce | 5 |
Total | 30 |
Also read,
Studying Biology in Class 11 helps students understand how living things work in the real world. It gives a clear idea about the basics and important terms. It is useful not just for exams but also for future studies in the science field.
It makes Class 12 Biology easier to understand and gives a strong base for competitive tests like NEET.
Students learn how body systems like digestion, breathing, and reproduction actually work.
The subject has simple explanations and diagrams, which make it easier to study and remember.
With regular revision, students can easily score good marks without any further help.
It builds interest and curiosity in students, allowing them to enjoy the subject without getting bored.
NCERT Class 11 Syllabus
The Class 11 Biology NCERT syllabus is divided into five units:
Diversity of Living Organisms
Structural Organisation in Animals and Plants
Cell Structure and Function
Plant Physiology
Human Physiology
There are a total of 19 chapters, which are included in the NCERT Class 11 Biology textbook, organized into 5 units.
Yes, the Class 11 Biology syllabus includes practical experiments as part of the curriculum. These practicals help students understand biological concepts such as:
In the NCERT Class 11 Biology syllabus 2025–26, the chapters Transport in Plants and Mineral Nutrition have been removed. These were part of the Plant Physiology unit.
Students might find Class 11 Biology tough at first because the syllabus is detailed and the concepts are new. It needs regular study, understanding of processes, and practice of diagrams. With the help of NCERT books and revision, it becomes easier over time.
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