Overview of NCERT Class 11 Biology Book
The most crucial subject for students hoping to pursue a career in medicine is biology. Nonetheless, NEET is the sole entrance exam required for admission to Indian medical schools. Both the NCERT biology textbooks for classes 11 and 12 are included in the exam’s syllabus.
Structure of the NCERT Class 11 Biology Book
| Unit 1: Diversity in the Living World |
| Chapter 1: The Living World |
| Chapter 2: Biological Classification |
| Chapter 3: Plant Kingdom |
| Chapter 4: Animal Kingdom |
| Unit 2: Structural Organisation in Plants and Animals |
| Chapter 5: Morphology of Flowering Plants |
| Chapter 6: Anatomy of Flowering Plants |
| Chapter 7: Structural Organisation in Animals |
| Unit 3: Cell- Structure and Functions |
| Chapter 8: Cell: The Unit of Life |
| Chapter 9: Biomolecules |
| Chapter 10: Cell Cycle and Cell Division |
| Unit 4: Plant Physiology |
| Chapter 11: Photosynthesis in Higher Plants |
| Chapter 12: Respiration in Plants |
| Chapter 13: Plant Growth and Development |
| Unit 5: Human Physiology |
| Chapter 14: Breathing and Exchange of Gases |
| Chapter 15: Body Fluids and Circulation |
| Chapter 16: Excretory Products and Their Elimination |
| Chapter 17: Locomotion and Movement |
| Chapter 18: Neural Control and Coordination |
| Chapter 19: Chemical Coordination and Integration |
NCERT Class 11 Biology Book Chapters
Chapter 1: Diversity in the Living World
Topics Covered in Class 11 Chapter 1: The Living World
| List of topics covered in Class 11 Chapter 1: The Living World | |
| Topics | Sub Topics |
| 1. Diversity in The Living World | 1.1 Taxonomy |
| 1.2 Binomial Nomenclature | |
| 1.3 Systematics | |
| 2. Taxonomic Categories | 2.1 Kingdom |
| 2.2 Phylum | |
| 2.3 Class | |
| 2.4 Order | |
| 2.5 Family | |
| 2.6 Genus | |
| 2.7 Species | |
Chapter 2: Biological Classification
List of Topics Covered in Class 11 Biology Chapter 2: Biological Classification
| Topics | Subtopics |
| Kingdom Monera | Archaebacteria, Eubacteria |
| Kingdom Protista | Chrysophytes, Dinoflagellates, Euglenoids, Slime Moulds, Protozoans, |
| Kingdom Fungi | Phycomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes |
| Kingdom Plantae | Alternation of Generations |
| Kingdom Animalia | – |
| Viruses, Viroids, Prions and Lichens | – |
Chapter 3: Plant Kingdom
Topics Covered in Biology Class 11 Plant Kingdom NCERT Solutions
| S.No. | Topics Covered in Biology Class 11 Chapter 3 |
| 1 | AlgaeChlorophyceae |
| 2 | Bryophytes |
| 3 | Pteridophytes |
| 4 | Gymnosperms |
| 5 | Angiosperms |
Chapter 4: Animal Kingdom
Class 11 NCERT Animal Kingdom Questions and Answers: Quick Overview of Topics Covered
| List of Topics Covered in Class 11 Biology Chapter 4: Animal Kingdom | |
| Topics | Subtopics |
| Basis of Classification | Levels of OrganisationSymmetryDiploblastic and Triploblastic Organisation CoelomSegmentation Notochord |
| Classification of Animals | PoriferaCoelenterateCtenophoraPlatyhelminthesAschelminthesAnnelida ArthropodaMolluscaEchinodermataHemichordataChordata |
Chapter 5: Structural Organization in Plants and Animals
| S. No | Topics |
| 1 | The RootRegions of the root |
| 2 | The Stem |
| 3 | The LeafVenationTypes of Leaves Phyllotaxy |
| 4 | The Inflorescence |
| 5 | The FlowerParts of a flower |
| 6 | The Fruit |
| 7 | The SeedStructure of Dicotyledonous Seed Structure of Monocotyledonous seed |
| 8 | Semi-technical description of a typical flowering plant |
| 9 | Description of some important familiesSolanaceae |
Chapter 6: Anatomy of Flowering Plants
Given are the important topics covered in Anatomy of Flowering Plants:
- Anatomy of Flowering Plants
- Plants tissues
- Meristematic tissues
- Permanent tissue
- Epidermal Tissue System
- The ground Tissue System
- The Vascular Tissue System
- Dicotyledonous Root
- Monocotyledonous Root
- Dicotyledonous Stem
- Monocotyledonous Stem
- Dicotyledonous Leaf
- Monocotyledonous Leaf
- Secondary Growth
Chapter 7: Structural Organization in Animals
Important concepts covered in this chapter from the below list:
- Animal Tissue
- Epithelial tissue
- Connective tissue
- Muscular tissue
- Nervous tissue
- Organ and organ system
Chapter 8: Cell Structure and Functions
Subtopics of Chapter 8 Cell The Unit of Life
| S.No | Class 11 Biology Chapter 8: Cell The Unit of Life |
| 1 | Topics |
| 2 | What is a Cell? |
| 3 | Cell Theory |
| 4 | An Overview of Cell |
| 5 | Prokaryotic CellsCell Envelope and its modificationsRibosomes and inclusion bodies |
| 6 | Eukaryotic CellsCell membrane Cell wallEndomembrane System, Mitochondria Plastids Ribosomes, Cilia and flagella Centrosomes and Centrioles, Nucleus |
Chapter 9: Biomolecules
Class 11 Chapter 9 Biomolecules: Quick Overview of Topics Covered
| S. No | Class 11 Chapter 9 Biomolecules Topics |
| 1 | How to analyse chemical composition? |
| 2 | Primary and Secondary Metabolites |
| 3 | Biomacromolecules |
| 4 | Proteins |
| 5 | Polysaccharides |
| 6 | Nucleic Acids |
| 7 | Structure of Proteins |
| 8 | EnzymesChemical Reactions, Chemical ConversionsNature of Enzyme Actions Factors Affecting Enzyme Activity Classification and Nomenclature Co-factors |
Chapter 10: Cell Cycle and Cell Division
The topic included in Biology Class 11 Chapter 10 Ncert solutions are as follows:
- Cell Cycle.
- Phases of a Cell Cycle.
- M Phase.
- Prophase.
- Metaphase.
- Anaphase.
- Telophase.
- Cytokinesis.
- Significance of Mitosis.
- Meiosis.
- Meiosis 2.
- Significance of Meiosis.
Chapter 11: Plant Physiology
One of the key branches of botany is plant physiology. The NCERT syllabus states that it is the fourth unit of biology for class eleven. There are five chapters in this unit:
- Transport in Plants
- Mineral Nutrition
- Photosynthesis in Higher Plants
- Respiration in Plants
- Plant Growth and Development
Chapter 12: Respiration in Plants
The important topics given under NCERT Class 11 Biology Chapter 12 are given in the table below.
| Units | Class 11 Biology Chapter 12 Topics |
| 12.1 | Do Plants Breathe? |
| 12.2 | Glycolysis |
| 12.3 | Fermentation |
| 12.4 | Aerobic Respiration |
| 12.5 | The Respiratory Balance Sheet |
| 12.6 | Amphibolic Pathway |
| 12.7 | Respiratory Quotient |
Chapter 13: Plant Growth and Development
Chapter 13 of the Class 11 Biology textbook, “Plant Growth and Development,” covers the essential concepts of how plants grow and develop. This includes understanding growth, differentiation, and development, as well as the role of plant hormones and growth regulators
Chapter 14: Human Physiology
In Class 11 Human Physiology, you’ll delve into the workings of the human body, covering various systems and their functions. Key topics include digestion, respiration, the circulatory and excretory systems, movement, neural and chemical coordination, and the reproductive system.
Chapter 15: Body Fluids and Circulation
Following are the Main Topics that are Covered Under this Chapter:
- Blood
- Plasma
- Blood Groups
- Element formation
- Blood Coagulation
- Tissue fluids
- Circulatory System in humans
- The cardiac cycle
- Electrocardiograph
- Double circulation
- Disorders concerning circulation
- Cardiac activity and its regulation
Chapter 16: Excretory Products and their Elimination
Chapter 16 Class 11 Excretory Products and their Elimination: Quick Overview of the Topics Covered
| S. No | Class 11 Biology Chapter 16 Topics |
| 1 | Human Excretion |
| 2 | Urine Formation |
| 3 | Function of the tubules |
| 4 | Mechanism of the Concentration of the Filtrate |
| 5 | Regulation of Kidney Function |
| 6 | Micturition |
| 7 | Role of the Organs in Excretion |
| 8 | Disorders of the Excretory System |
Chapter 17: Locomotion and Movement
Locomotion and Movement is one of the chapters of Unit 5, Human Physiology, in the NCERT Biology book Class 11. The chapter covers the different types of movement that occur inside unicellular organisms and the human body. Among the crucial subjects discussed in this chapter are the many kinds of muscle and joint movements as well as the body’s skeleton structure. Additionally, the chapter informs the pupils about the conditions affecting the body’s skeletal and muscular systems. Students are drawn in and studying becomes more enjoyable when colorful diagrams are used.
Chapter 18: Neural Control and Coordination
The Neural Control and Coordination chapter of Biology constitutes the discussion of the following topics:
| 18. Neural Control And Coordination |
| 18.1 Neural System |
| 18.2 Human Neural System |
| 18.3 Neuron as Structural and Functional Unit of Neural System |
| 18.3.1 Generation and Conduction of Nerve Impulse |
| 18.3.2 Transmission of Impulses |
| 18.4 Central Neural System |
| 18.4.1 Forebrain |
| 18.4.2 Midbrain |
| 18.4.3 Hindbrain |
| 18.5 Reflex Action and Reflex Arc |
| 18.6 Sensory Reception and Processing |
| 18.6.1 Eye |
| 18.6.1.1 Parts of an Eye |
| 18.6.1.2 Mechanism of Vision |
| 18.6.2 The Ear |
| 20.6.2.1 Mechanism of Hearing |
Chapter 19: Chemical Coordination and Integration
Class 11 Biology Chemical Coordination And Integration: Quick Overview of Topics Covered
| S. No | Class 11 Chapter 19: Chemical Coordination and Integration Topics |
| 1 | Endocrine Glands and Hormones |
| 2 | Human Endocrine SystemThe HypothalamusThe Pituitary GlandThe Pineal Gland the Thyroid Glandthe Parathyroid Glandthe Thymusthe Adrenal Glandthe Pancreas the Testisthe Ovary |
| 3 | Hormones For:HeartKidneyGastrointestinal TractMechanism of Hormone Action |
How to Use NCERT Class 11 Biology Books Effectively
1. Understand, Don’t Just Memorize:
- Biology is about grasping the “why” behind biological processes, not just memorizing facts.
- Read each chapter carefully, paying attention to the underlying rationale.
- Once you understand the concepts, the specifics will fall into place.
2. Create Detailed Notes:
- Note-making is a great way to retain information and aid in revision.
- Write down key points, definitions, and important diagrams as you read.
- These notes will be valuable during exam preparation and for quick reviews.
3. Master Diagrams:
- Diagrams are crucial in biology for understanding complex structures and processes.
- Practice drawing and labeling diagrams, especially of plant and animal cells, and the human circulatory and digestive systems.
- Ensure you can accurately label all parts of the diagrams.
Frequently Asked Questions:
Question 1: How many chapters are there in the Class 11 Biology NCERT Book ?
Answer 1: There are a total of 19 chapters in class 11 Biology NCERT Book.
Question 2: How can I buy Class 11 Biology NCERT books online?
Answer 2: Anyone can buy class 11 Biology NCERT books from amazon and flipkart.
Question 3: What is the price of a Class 11 Biology book online?
Answer 3: The price of a Class 11 Biology book is around 200rs
Question 4: What are the other reference books for Class 11 Biology?
Answer 4:
Best Biology Books For CBSE Class 11
| S.No. | Books | Author |
| 1. | GRB New Era Biology Class XI PART – II | Dr. R.K. Pillai Dr. A.K. Chaudhry |
| 2. | GRB New Era Practical Biology Class XI( With Record Book) | Dr. Manish Sharma |
| 3. | New Era Biology Class XI Part-I & PART- II | Dr. R.K. Pillai Dr. A.K. Chaudhry |