NCERT Class 11 Biology Book PDF

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Content Writer | Updated On - Sep 6, 2025

NCERT Biology Class 11 comprises 19 chapters, which are organised into 5 units. The Class 11 Biology syllabus encompasses topics such as diversity in the living world, structural organisation in plants and animals, cell anatomy and functions, and the relationship between plants and human physiology.

  • The price of the NCERT Biology Class 11 book varies from Rs 160 to Rs 185, depending on the platform fees.
  • There are no major changes in the NCERT Class 11 Biology Book after 2022.
  • According to the revised CBSE Class 11 Biology syllabus 2022-2023, some chapters, including Mineral Nutrition, Transport in Plants, and Digestion and Absorption, have been removed from the Biology NCERT textbooks.

NCERT Biology Class 11 Book PDF 2024-25 is available for free download in both English and Hindi.

NCERT Class 11 Biology Book

New NCERT Biology Class 11 PDF Free Download in English medium

Key Summary

In this article, we have provided the NCERT Class XI Biology Book PDF along with PDFs of some important topics of Biology.

  • Mineral Nutrition, Transport in Plants, and Digestion and Absorption have been deleted in the NCERT Class 11 Biology Book PDF after recent revisions in the syllabus.
  • NCERT Books for Class 11 Biology are essential for exam preparation.
  • They are designed by experts for a clear understanding of topics.

Also Read

NCERT Class 11 Biology Chapterwise PDF

The 19 chapters of Class 11 Biology in English are provided in a downloadable PDF format along with the respective NCERT solutions.

Unit Name Chapter PDF NCERT Solutions
Unit 1: Diversity in the Living World Chapter 1: The Living World PDF NCERT Solutions for Chapter 1
Chapter 2: Biological Classification PDF NCERT Solutions for Chapter 2
Chapter 3- Plant Kingdom PDF NCERT Solutions for Chapter 3
Chapter 4: Animal Kingdom PDF NCERT Solutions for Chapter 4
Unit 2: Structural Organisation in Plants and Animals Chapter 5: Morphology of Flowering Plants PDF NCERT Solutions for Chapter 5
Chapter 6: Anatomy of Flowering Plants PDF NCERT Solutions for Chapter 6
Chapter 7: Structural Organisation in Animals NCERT Solutions for Chapter 7
Unit 3: Cell- Structure and Functions Chapter 8: Cell the Unit of Life PDF NCERT Solutions for Chapter 8
Chapter 9: Biomolecules PDF NCERT Solutions for Chapter 9
Chapter 10: Cell Cycle and Cell Division PDF NCERT Solutions for Chapter 10
Unit 4: Plant Physiology Chapter 11: Photosynthesis in Higher Plants PDF NCERT Solutions for Chapter 11
Chapter 12: Respiration in Plants PDF NCERT Solutions for Chapter 12
Chapter 13: Plant Growth and Development PDF NCERT Solutions for Chapter 13
Unit 5: Human Physiology Chapter 14: Breathing and Exchange of Gases PDF NCERT Solutions for Chapter 14
Chapter 15: Body Fluids and Circulation PDF NCERT Solutions for Chapter 15
Chapter 16: Excretory Products and Their Elimination PDF NCERT Solutions for Chapter 16
Chapter 17: Locomotion and Movement PDF NCERT Solutions for Chapter 17
Chapter 18: Neural Control and Coordination PDF NCERT Solutions for Chapter 18
Chapter 19: Chemical Coordination and Integration PDF NCERT Solutions for Chapter 19

NCERT Class 11 Biology – Hindi Chapter-wise PDFs

The 19 chapters of Class 11 Biology in Hindi are provided in a downloadable PDF format along with the respective NCERT solutions.

Class 11 Biology Hindi NCERT
अध्याय 1: जीव जगत अध्याय 11: उच्च पादपों में प्रकाश-संश्लेषण
अध्याय 2: जीव जगत का वर्गीकरण अध्याय 12: पादप में श्वसन
अध्याय 3: वनस्पति जगत अध्याय 13: पादप वृद्धि एवं परिवर्धन
अध्याय 4: प्राणि जगत अध्याय 14: श्वसन और गैसों का विनिमय
अध्याय 5: पुष्पी पादपों का आकारिकी अध्याय 15: शरीर द्रव तथा परिसंचरण
अध्याय 6: पुष्पी पादपों का शारीर अध्याय 16: उत्सर्जी उत्पाद एवं उनका निष्कासन
अध्याय 7: प्राणियों में संरचनात्मक संगठन अध्याय 17: गमन एवं संचलन
अध्याय 8: कोशिका : जीवन की इकाई अध्याय 18: तंत्रिकीय नियंत्राण एवं समन्वय
अध्याय 9: जैव अण अध्याय 19: रासायनिक समन्वय तथा एकीकरण
अध्याय 10: कोशिका चक्र और कोशिका विभाजन -

NCERT Class 11 Biology PDF for NEET Preparation

The NCERT Class 11 Biology Book PDF is a non-negotiable source for students preparing for the NEET (National Eligibility cum Entrance Test) examination. The syllabus of the NEET exam covers both the NCERT Class 11th and the NCERT Class 12th Biology books.

Looking at the past 10 years, 75% of total biology questions in the NEET exam come from the NCERT Class 11 Biology books.

Class 11 Biology - Important Concepts

Important chapter topics and concepts related to Class 11 Biology NCERT are given below.

Chapter 1: The Living World

The Living World chapter carries 4 marks and deals with taxonomy and hierarchical classification. Some of the important topics in the Living World chapter include:

Chapter MCQ: Living World MCQs

Chapter 2: Biological Classification

The Biological Classification chapter carries 4 marks and deals with the classification of all living organisms. Some of the important topics include:

Chapter MCQ: Biological Classification MCQs

Chapter 3: Plant Kingdom

The Plant Kingdom chapter carries 4 marks and explains the features and functions of the plant kingdom. Some of the important topics include:

Chapter MCQ: MCQs On the Plant Kingdom

Chapter 4: Animal Kingdom

The Animal Kingdom chapter carries 4 marks and discusses the classification and features of the animal kingdom. Some of the important topics include:

Chapter MCQ: Animal Kingdom MCQ

Chapter 5: Morphology of Flowering Plants

The morphology of flowering plants chapter carries 4 marks and explains the anatomy and functions of flowering plants. Some of the important topics include:

Chapter MCQ: Plant Morphology MCQs

Chapter 6: Anatomy of Flowering Plants

The Anatomy of Flowering Plants chapter carries 4 marks and explains the features of the anatomy of flowering plants. Some of the important topics include:

Chapter 7: Structural Organisation in Animals

Structural Organisation in Animals carries 4 marks and deals with the anatomy and features of various animal phyla. Some of the important topics include:

Chapter MCQ: Structural Organisation In Animals MCQ

Chapter 8: Cell: The Unit of Life

Cell- the unit of life chapter carries 4 marks and explains in detail the cell structure, functions, cell organelles, and types. Some of the important topics include:

Chapter MCQ: Cell Biology MCQs

Chapter 9: Biomolecules

The biomolecules chapter deals with the synthesis of various biomolecules, such as proteins, lipids, and amino acids, in cells, and their importance. Some of the important topics include:

Chapter MCQ: Biomolecules MCQs

Chapter 10: Cell Cycle and Cell Division

The cell cycle and Cell division chapter deals with the different types of cell division that take place in organisms. Some of the important topics include:

Chapter MCQ: Cell Cycle And Cell Division MCQ

Chapter 11: Photosynthesis in Higher Plants

The Photosynthesis in Higher Plants chapter explains in detail how photosynthesis is different in higher plants and lower plants. Some of the important topics include:

Chapter MCQ: MCQ On Photosynthesis

Chapter 12: Respiration in Plants

Respiration in plants deals with the process of respiration and the working functions of the respiratory system in plants. Some of the important topics include:

Chapter MCQ: Respiration In Plants MCQ

Chapter 13: Plant Growth and Development

The Plant Growth and Development chapter revolves around the process of growth and the growth inhibitors involved in the development of plants. Some of the important topics include:

Chapter MCQ: Plant Growth And Development MCQ

Chapter 14: Breathing and Exchange of Gases

The Breathing and Exchange of Gases chapter of Class 11 Biology NCERT PDF 2023-24 explains the process of respiration and the organs related to it in human beings. Some of the important topics include:

Chapter MCQ: Breathing And Exchange Of Gases MCQ

Chapter 15: Body Fluids and Circulation

The body fluids and circulation chapter explains the mechanism of circulation of blood into different parts of the body. Some of the important topics include:

Chapter MCQ: Body Fluids And Circulation MCQ

Chapter 16: Excretory Products and Their Elimination

The excretory products and Elimination chapter details the process of the excretory system in the human body. Some of the important topics include:

Chapter MCQ: Excretory Products And Their Elimination MCQ

Chapter 17: Locomotion and Movement

The Locomotion and Movement chapter of Class 11 Biology NCERT PDF deals with the working of the combined system of muscular and skeletal systems. Some of the important topics include:

Chapter MCQ: Locomotion And Movement MCQ

Chapter 18: Neural Control and Coordination

The Neural Control and Coordination chapter revolves around the working of the nervous system in the human body. Some of the important topics include:

Chapter MCQ: Neural Control And Coordination MCQ

Chapter 19: Chemical Coordination and Integration

The Chemical Coordination and Integration chapter explains the need and importance of various chemicals that help in the physiological functions of the human body. Some of the important topics include:

Chapter MCQ: Chemical Coordination and Integration MCQ

Why Study Class 11 Biology NCERT Book?

NCERT provides an overview of all Class 11 Biology topics and concepts as per the CBSE syllabus.

  • Each topic and concept is explained clearly and concisely.
  • It covers important topics frequently asked in competitive exams and helps students prepare for annual and competitive exams effectively.
  • Students can assess their performance and knowledge gaps by practising the exercises in Class 11 Biology NCERT.
  • It enhances understanding of key topics and helps students gain a stronger foundation in Biology.

Reference Books for Class 11 Biology

Students can also refer to the following books for an in-depth knowledge and understanding of the subject.

  • Modern ABCs of Biology
  • All-in-One Biology
  • Truman’s Biology
  • New Era Biology by Dr R.K. Pillai and Dr A.K.Chaudhary

Also check:

CBSE CLASS XII Related Questions

  • 1.

    Read the following passage and answer the questions that follow. Prevention is the frontline response to drug use. Effective interventions address the underlying conditions contributing to drug use, such as a lack of connection to family or community, instability, insecurity, trauma, mental health issues, etc. When addressed, these factors can effectively prevent the initiation of drug use and the progression to drug use disorders. Study the few key figures of drug use given below and answer the questions that follow.

    (a) What do you infer from the figures in Table No. 1 about the people with drug use disorders, 2022 (in million)? State any two of your observations.

    (b) How are Hepatitis C and HIV related to drug use disorders by people, as shown in Table No. 2? State the correlation between the two.

    (c)

    • [(i)] Give the scientific name of (p) shown in Table No. 1. 
      OR
    • [(ii)] Give the scientific name of (q) shown in Table No. 1.


      • 2.
        Name the type of heterogamety observed in most birds.


          • 3.
            Give a schematic representation of oogenesis in human females.


              • 4.

                Use the given information to select the amino acid attached to the 3′ end of tRNA during the process of translation, if the coding strand of the structural gene being transcribed has the nucleotide sequence TAC.
                 

                  • Isoleucine
                  • Methionine
                  • Tyrosine
                  • Valine

                • 5.

                  Answer the following questions with respect to the sex determining mechanism observed in honey bee.

                  • [(a)] Name the type of sex determination system observed in honey bee.
                  • [(b)] Fill in the blanks (i), (ii) and (iii) in the given question.

                  • [(c)] What will be the sex and chromosome number of the progeny formed from the unfertilised eggs of honey bee?


                    • 6.
                      Enlist three advantages of genetically modified plants.

                        CBSE CLASS XII Previous Year Papers

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