Have you ever wondered how plants make food, how your heart keeps beating, or how your brain controls everything you do? These interesting questions are answered in Class 11 Biology. The NCERT Biology textbook for Class 11 is not just a school book, it helps you understand how living things work.
This book also helps you get ready for exams like NEET and other medical entrance tests. Studying from the NCERT book, you can improve your thinking skills, become more curious about science, and build a strong base for future studies in biology and related fields.
Contents of Class 11 NCERT Biology Textbook
Let us get a glimpse of what Class 11 Biology NCERT textbook PDF has to offer. Below is NCERT Biology class 11 pdf chapter wise brief summary:
Unit 1: Diversity of Living Organisms
Chapter 1: The Living World
Explains what living organisms are, how they are classified, and the importance of naming them (taxonomy).
Chapter 2: Biological Classification
Describes how living organisms are grouped into five kingdoms based on similarities and differences.
Chapter 3: Plant Kingdom
Covers the classification of plants into algae, bryophytes, pteridophytes, gymnosperms, and angiosperms.
Chapter 4: Animal Kingdom
Explains how animals are classified based on their body structure and functions.
Unit 2: Structural Organisation in Animals and Plants
Chapter 5: Morphology of Flowering Plants
Discusses the external parts of flowering plants like roots, stems, leaves, flowers, and fruits.
Chapter 6: Anatomy of Flowering Plants
Focuses on internal structure (tissues and cells) of plants, especially stems, roots, and leaves.
Chapter 7: Structural Organisation in Animals
Explains the structure of tissues and organs in animals with examples like earthworm, cockroach, and frog.
Unit 3: Cell Structure and Function
Chapter 8: Cell: The Unit of Life
Covers the basic unit of life, the cell, its types, and parts like nucleus, mitochondria, etc.
Chapter 9: Biomolecules
Talks about molecules like carbohydrates, proteins, fats, and enzymes that are essential for life.
Chapter 10: Cell Cycle and Cell Division
Describes how cells grow, duplicate, and divide through mitosis and meiosis.
Unit 4: Plant Physiology
Chapter 11: Photosynthesis in Higher Plants
Explains how plants make food using sunlight, water, and carbon dioxide.
Chapter 12: Respiration in Plants
Covers how plants break down food to get energy.
Chapter 13: Plant Growth and Development
Discusses how plants grow and develop with the help of hormones.
Unit 5: Human Physiology
Chapter 14: Breathing and Exchange of Gases
Explains how we breathe and how gases like oxygen and carbon dioxide are exchanged.
Chapter 15: Body Fluids and Circulation
Talks about blood, heart, and how blood circulates in our body.
Chapter 16: Excretory Products and their Elimination
Describes how our body removes waste through the kidneys and urine.
Chapter 17: Locomotion and Movement
Covers muscles and bones that help us move, and how they work.
Chapter 18: Neural Control and Coordination
Explains how our brain, nerves, and sense organs work together to control body activities.
Chapter 19: Chemical Coordination and Integration
Describes hormones and how they control various functions in the body.
How to Download NCERT Biology Class 11 Textbook PDF?
Downloading the NCERT Biology Class XI textbook PDF is simple and completely free. The National Council of Educational Research and Training (NCERT) provides all its textbooks online through its official website.
These books are highly recommended for CBSE students and also for those preparing for competitive exams like NEET.
Below are the steps so as to download NCERT class 11 biology PDF full book:
Step 1: Go to the official portal for all NCERT books and resources.
Step 2: On the homepage, click on the “Publications” tab and select “PDF (I-XII)” under the “E-books” section.
Step 3: Choose Class “11”, then select “Biology” as the subject. You will now see the list of chapters from the Biology textbook.
Step 4: You can either download the entire book at once or choose individual chapters. Click on the desired chapter or full book link, and the PDF will open in a new tab. You can then click the download icon to save it.
Step 5: NCERT also offers an app called “ePathshala” for Android and iOS, where students can download textbooks and other study materials for offline use.
The Class 11 NCERT Biology textbook PDF is one of the most important books for students who want to build a strong base in science. It explains all the topics in simple and clear language, making it easier to understand even complex ideas.
The book covers a wide range of concepts from cells and tissues to the working of the human body and plants. If you read and revise the chapters regularly, practice diagrams, and solve the NCERT questions, you will gain both knowledge and confidence.
This book is not only helpful for school exams but also plays a big role in preparing for entrance exams like NEET. It builds the habit of logical thinking and develops interest in the subject. By following the right study plan and using this book as your main guide, you can do very well in Class 11 and be well-prepared for future studies in biology.
