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Class 11 Biology — NCERT

NCERT is the NCERT-prescribed textbook for Class 11 Biology in the CBSE curriculum. It contains 19 chapters covering the complete syllabus. BrainWeave offers free AI-powered solutions for every chapter — ask any question by voice or text, in Hindi or English, and get a personalized step-by-step explanation.

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What you'll study in NCERT

Across 19 chapters, Class 11 Biology introduces key concepts including Diversity in the Living World (Biodiversity), Nomenclature and Identification, Binomial Nomenclature, Universal Rules of Nomenclature, History and Limitations of Early Classification Systems, Whittaker's Five Kingdom Classification, Comparative Characteristics of the Five Kingdoms, Kingdom Monera: General Characteristics and Shapes, Systems of Plant Classification, General Characteristics and Reproduction in Algae, Economic Importance of Algae, Chlorophyceae (Green Algae), and more. Every chapter below has its own page with a full topic breakdown, practice questions, fun facts, and a free AI tutor that explains each concept in Hindi or English, by voice or text.

All Chapters

Chapter 1
Chapter 1: The Living World
Diversity in the Living World (Biodiversity) · Nomenclature and Identification · Binomial Nomenclature · Universal Rules of Nomenclature
7 topics • Free AI tutor →
Chapter 2
Chapter 2: BIOLOGICAL CLASSIFICATION
History and Limitations of Early Classification Systems · Whittaker's Five Kingdom Classification · Comparative Characteristics of the Five Kingdoms · Kingdom Monera: General Characteristics and Shapes
8 topics • Free AI tutor →
Chapter 3
Chapter 3: PLANT KINGDOM
Systems of Plant Classification · General Characteristics and Reproduction in Algae · Economic Importance of Algae · Chlorophyceae (Green Algae)
7 topics • Free AI tutor →
Chapter 4
Chapter 4: ANIMAL KINGDOM
Basis of Classification: Levels of Organisation · Body Symmetry · Embryonic Germ Layers: Diploblastic vs. Triploblastic · Coelom (Body Cavity)
7 topics • Free AI tutor →
Chapter 5
Chapter 5: STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS
Fundamental Parts of a Flowering Plant · Types of Root Systems · Regions of the Root Tip · The Stem: Structure and Functions
7 topics • Free AI tutor →
Chapter 6
Chapter 6: ANATOMY OF FLOWERING PLANTS
Plant Tissue Systems · Epidermal Tissue System Components · Vascular Tissue System and Bundle Types · Anatomy of a Dicotyledonous Root
7 topics • Free AI tutor →
Chapter 7
Chapter 7: STRUCTURAL ORGANISATION IN ANIMALS
Levels of Structural Organisation · Frog (Rana tigrina): General Characteristics & Adaptations · Frog Morphology and Sexual Dimorphism · Frog Digestive System
8 topics • Free AI tutor →
Chapter 8
Chapter 8: Cell: The Unit of Life
The Cell as the Fundamental Unit of Life · The Cell Theory · Overview of Prokaryotic vs. Eukaryotic Cells · Cellular Diversity in Size and Shape
6 topics • Free AI tutor →
Chapter 9
Chapter 9: BIOMOLECULES
Chemical Analysis of Living Tissues · Amino Acids: Structure and Classification · Simple Lipids: Fatty Acids and Glycerol · Complex Lipids: Triglycerides and Phospholipids
6 topics • Free AI tutor →
Chapter 10
Chapter 10: CELL CYCLE AND CELL DIVISION
Introduction to the Cell Cycle · Phases of the Eukaryotic Cell Cycle · Interphase and its Stages (G1, S, G2) · The Quiescent Stage (G0)
7 topics • Free AI tutor →
Chapter 11
Chapter 11: Photosynthesis in Higher Plants
Introduction to Photosynthesis · Historical Experiments in Photosynthesis · The Chloroplast: Site of Photosynthesis · Photosynthetic Pigments and Photosystems
9 topics • Free AI tutor →
Chapter 12
Chapter 12: RESPIRATION IN PLANTS
Introduction to Cellular Respiration · Glycolysis (EMP Pathway) · Fermentation · Aerobic Respiration
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Chapter 13
Chapter 13: PLANT GROWTH AND DEVELOPMENT
Characteristics of Plant Growth · Primary and Secondary Growth · Phases of Growth · Measurement of Growth
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Chapter 14
Chapter 14: Breathing and Exchange of Gases
Respiratory Organs in Animals · Human Respiratory System Anatomy · Mechanism of Breathing · Respiratory Volumes and Capacities
9 topics • Free AI tutor →
Chapter 15
Chapter 15: BODY FLUIDS AND CIRCULATION
Composition of Blood: Plasma and Formed Elements · Erythrocytes (RBCs) · Leucocytes (WBCs) and Platelets · ABO Blood Grouping System
8 topics • Free AI tutor →
Chapter 16
Chapter 16: EXCRETORY PRODUCTS AND THEIR ELIMINATION
Nitrogenous Waste Products · Comparative Excretory Structures in Animals · Anatomy of the Human Excretory System · The Nephron: Structure and Types
6 topics • Free AI tutor →
Chapter 17
Chapter 17: LOCOMOTION AND MOVEMENT
Types of Movement · Classification of Muscles · Structure of a Skeletal Muscle · The Sarcomere
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Chapter 18
Chapter 18: Neural Control And Coordination
Introduction to Neural Coordination · Organization of the Human Neural System · Structure of a Neuron · Types of Neurons and Axons
6 topics • Free AI tutor →
Chapter 19
Chapter 19: CHEMICAL COORDINATION AND INTEGRATION
Endocrine System vs. Neural System · Human Endocrine Glands Overview · Role of the Hypothalamus · Anterior Pituitary Hormones and Functions
8 topics • Free AI tutor →

Frequently Asked Questions

How many chapters are in Class 11 Biology?

NCERT for Class 11 Biology has 19 chapters. All are covered by BrainWeave's free AI tutor.

Is BrainWeave's Class 11 Biology content free?

Yes. The free Spark plan covers all chapters with daily message limits suitable for homework. Premium features unlock with your own free Gemini API key.

Can I ask Biology questions in Hindi?

Yes — both voice and text chat support Hindi, English, and Hinglish.

Are these solutions aligned with the latest CBSE syllabus?

Yes, BrainWeave follows the current NCERT syllabus and is updated as the syllabus changes.

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