NCERT Syllabus for Class 11 Biology 2025-26 - Download All Subject PDF

Understanding the different processes of life, which include how organisms work, function, and organize, is essential for students to grasp the basics of Biology. The NCERT Syllabus for Class 11 Biology lays out these basic concepts in a well-structured way. It helps students to learn the processes of life, plants, animals, and the human body, and prepares them for school exams and entrance examinations like NEET. NCERT Books are an excellent tool that not only helps in increasing marks but also increases the curiosity about the world and also for the subject.

Divided into 5 units, the NCERT Class 11 Biology syllabus covers all topics as per the CBSE Board, including cell structure, plant physiology, and human physiology in a sequence and easy-to-understand form. Each chapter has detailed explanations, diagrams, and practical examples that make biological functions understandable. Regular practice and revision of the diagrams can also increases knowledge and retention. This way of learning proves helpful for those students who aim to pursue biology and medical sciences at higher levels.

This Story also Contains

1. NCERT Syllabus for Class 11 Biology 2025-26 (Theory)
2. CBSE Class 11 Biology Syllabus Prescribed Books
3. NCERT Syllabus for Class 11 Biology 2025-26 (Practical Examination)
4. Why is NCERT Class 11 Biology Important?

NCERT Syllabus for Class 11 Biology 2025-26 (Theory)

The following table provides a unit-wise breakdown of the theory part, which highlights all the chapters students have to study throughout the session.

Unit 1: Diversity in the Living World

Chapter 1: The Living World

• What is living?

• Biodiversity

• 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

• Five-kingdom 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

Unit 2: Structural Organisation in Plants and Animals

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

Unit 3: Cell: Structure and Function

Chapter 8: Cell: The Unit of Life

• Cell theory

• Prokaryotic and eukaryotic cells

• 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

Unit 4: Plant Physiology

Chapter 11: Photosynthesis in Higher Plants

• Photosynthesis process

• Light and dark reactions

• 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

Unit 5: Human Physiology

Chapter 14: Breathing and Exchange of Gases

• Human respiratory system

• 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

• Human excretory system

• Urine formation

• Osmoregulation

Chapter 17: Locomotion and Movement

• Human skeletal and muscular system

• Types of muscles

• Movement mechanism

Chapter 18: Neural Control and Coordination

• Nervous system

• Neuron structure and function

• Reflex action

Chapter 19: Chemical Coordination and Integration

• Endocrine glands and hormones

• Functions and disorders

Download: NCERT 11th Class Biology Syllabus PDF

CBSE Class 11 Biology Syllabus Prescribed Books

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

NCERT Syllabus for Class 11 Biology 2025-26 (Practical Examination)

CBSE also conducts a practical examination of 30 marks for 3 hours. NCERT devised the CBSE class 11 Biology Syllabus for practical exams which are explained below:

Practical Evaluation Scheme

CBSE Class 11th Biology -List of Experiments

Also read,

• NCERT Solutions for Class 11 Biology
• NCERT Exemplar Class 11 Biology

Why is NCERT Class 11 Biology Important?

• Foundation for Class 12 & Competitive Exams – What is taught in Class 11 is helpful for Class 12, NEET, and other entrance exams.
• Conceptual Learning – Facilitates learning actual biological processes such as digestion, respiration, and reproduction.
• Scoring Subject – With proper preparation, students can score well in Biology because it has direct questions and diagrams.

NCERT Class 11 Syllabus and Books