NCERT Book for class 11 Biology 2024

NCERT Book for class 11 Biology 2024 - Download Free PDF

Edited By Team Careers360 | Updated on Mar 27, 2025 09:42 AM IST

NCERT Book for Class 11 Biology 2025-26 - This book is a must-have for students who want to develop a solid base in biological sciences. Known for its clear explanations and systematic approach, the NCERT textbook breaks down complicated ideas, making them simple to grasp. It deals with basic subjects in cell biology, plant and animal physiology, genetics, and ecology so that students acquire theoretical knowledge as well as analytical thinking. This book is not only important for success in CBSE exams but also a first-hand reference for competitive exams such as NEET, where conceptual understanding is most important.

This Story also Contains

Download NCERT 11th Biology Book 2025-26 PDF
NCERT Book for Class 11 Biology (Unit-wise)
Benefits of NCERT Book for CBSE Class 11 Biology 2025-26
Chapter Wise NCERT Solutions for Class 11 Biology

NCERT Book for class 11 Biology 2024 - Download Free PDF

Following the NCERT book, students can develop their problem-solving skills and understand scientific concepts easily. The book focuses on conceptual learning and not only memorisation, making the students delve into the subject thoroughly. It provides properly designed diagrams, exercises, and self-assessment questions to solidify understanding. In order to excel in exams, students should study every chapter properly, practice NCERT-based questions and relate their learning to day-to-day biological phenomena. Having the NCERT Class 11 Biology PDF downloaded makes the syllabus, major topics, and detailed explanations readily available, serving as a great study guide.

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Download NCERT 11th Biology Book 2025-26 PDF

Students can download the book from here: NCERT Class 11 Biology Book PDF 2024-25

NCERT Book for Class 11 Biology (Unit-wise)

Students can go through the table below to know the Biology syllabus and weightage of each unit. So that they can start to prepare accordingly. Students can also find NCERT Biology class 11 solutions here.

NCERT 11th Biology Textbook Chapter Names

Given below are the biology units along with the respective chapter names:

Unit no.	Unit Name	English Medium	Hindi medium	Weightage
1	Diversity of Living Organisms	The Living World Biological Classification Plant Kingdom Animal Kingdom	जीव जगत जीव जगत का वर्गीकरण वनस्पति जगत प्राणि जगत	15
2	Structural Organisation in Plants and Animals	Morphology of Flowering Plants Anatomy of Flowering Plants Structural Organisation in Animals	पुष्पी पादपों का आकारिकी पुष्पी पादपों का शारीर प्राणियों में संरचनात्मक संगठन	10
3	Cell: Structure and Function	Cell The Unit of Life Biomolecules Cell Cycle and Cell Division	कोशिका : जीवन की इकाई जैव अणु कोशिका चक्र और कोशिका विभाजन	15
4	Plant Physiology	Photosynthesis in Higher Plants Respiration in Plants Plant Growth and Development	उच्च पादपों में प्रकाश-संश्लेषण पादप वृद्धि एवं परिवर्धन पादप में श्वसन	12
5	Human Physiology	Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration	श्वसन और गैसों का विनिमय शरीर द्रव तथा परिसंचरण उत्सर्जी उत्पाद एवं उनका निष्कासन गमन एवं संचलन तंत्रिकीय नियंत्राण एवं समन्वय तंत्रिकीय नियंत्राण एवं समन्वय	18

Also, check: CBSE Board Exam Date Sheet 2025

Benefits of NCERT Book for CBSE Class 11 Biology 2025-26

The NCERT Class 11 Biology textbook is in accordance with the current CBSE syllabus and gives concise explanations of every topic. It deals with key concepts that are regularly asked about in exams, making it easy for students to prepare well for their board exams. The textbook is also an excellent study guide for self-study, making students organise their studies and exam approach in an effective manner. With its systematic content and simple language, the book makes learning Biology easier and more efficient.

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How to Download the Free NCERT Book for Class 11 Biology in PDF?

To download a PDF of the Biology book for class 11, a student can visit the official website or click on the link given below and follow the given steps:

Click on the link of the book given below, or visit the official website of NCERT, ncert.nic.in
Choose the class, subject and book name from drop-down lists.
Click on the ‘Go’ button.
A chapter-wise list will appear on the screen.
Click on ‘Download complete book’ at the end.
The Book will be downloaded in PDF format.

How to Buy the NCERT Book for the Biology Textbook for Class 11 Online?

Students can purchase a book online by following the steps mentioned below:

Visit the official website - ncertbooks.ncert.gov.in
Sign up as a new user (for first-time users) or log in by entering the required credentials.
Click on ”Buy Textbooks Online".
Add NCERT 11 Biology books to the cart.
Select the “Mode of Payment”.
Pay the amount, and the Book will be delivered to the mentioned address.

Chapter Wise NCERT Solutions for Class 11 Biology

Below mentioned are the Chapterwise solutions:

NCERT Solutions for Class 11 Chapter 1 Biology The Living World

NCERT Solutions for Class 11 Chapter 2 Biology Biological Classification

NCERT Solutions for Class 11 Chapter 3 Biology Plant Kingdom

NCERT Solutions for Class 11 Chapter 4 Biology Animal Kingdom

NCERT Solutions for Class 11 Chapter 5 Biology Morphology of Flowering Plants

NCERT Solutions for Class 11 Chapter 6 Biology Anatomy of Flowering Plants

NCERT Solutions for Class 11 Chapter 7 Biology Structural Organisation in Animals

NCERT Solutions for Class 11 Chapter 8 Biology Cell: The Unit of Life

NCERT Solutions for Class 11 Chapter 9 Biology Biomolecules

NCERT Solutions for Class 11 Chapter 10 Biology Cell Cycle and Cell Division

NCERT Solutions for Class 11 Chapter 11 Biology Photosynthesis in Higher Plants

NCERT Solutions for Class 11 Chapter 12 Biology Respiration in Plants

NCERT Solutions for Class 11 Chapter 13 Biology Plant Growth and Development

NCERT Solutions for Class 11 Chapter 14 Biology Breathing and Exchange of Gases

NCERT Solutions for Class 11 Chapter 15 Biology Body Fluids and Circulation

NCERT Solutions for Class 11 Chapter 16 Biology Excretory Products and their Elimination

NCERT Solutions for Class 11 Chapter 17 Biology Locomotion and Movement

NCERT Solutions for Class 11 Chapter 18 Biology Neural Control and Coordination

NCERT Solutions for Class 11 Chapter 19 Biology Chemical Coordination and Integration

How to Prepare using NCERT Book for Class 11 Biology book pdf?

A student must go through the NCERT syllabus, analyze it and then prepare using the book.
Make a proper study timetable and prepare NCERT Biology Class 11 notes.
Make your basics strong and understand concepts to keep them retained in your memory.
Solve previous year's question papers to know about the types of questions asked from a topic or chapter.
Take short breaks to keep the mind fresh and avoid boredom.

Students can access other NCERT books here by clicking on the links provided below:

NCERT Books for Class 11 Subject Wise

NCERT Books for Class 11 Hindi	NCERT Books for Class 11 Maths
NCERT Books for Class 11 English	NCERT Books for Class 11 Physics
NCERT Books for Class 11 Chemistry	-

Also Read

NCERT Exemplar Class 11 Biology Solutions Chapter 12 Mineral Nutrition

NCERT Exemplar Class 11 Biology Solutions Chapter 16 Digestion and Absorption

NCERT Exemplar Class 11 Biology Solutions Chapter 17 Breathing and Exchange of Gases

NCERT Exemplar Class 11 Biology Solutions Chapter 15 Plant Growth and Development

NCERT Exemplar Class 11 Biology Solutions Chapter 20 Locomotion and Movement

NCERT Exemplar Class 11 Biology Solutions Chapter 13 Photosynthesis in Higher Plants

NCERT Solutions for Class 11 Biology Chapter 1 The Living World

NCERT Solutions for Class 11 Physics Chapter 12 Kinetic Theory

NCERT Solutions for Class 11 Physics Chapter 15 Waves

NCERT Solutions for Class 11 Maths Chapter 15 Statistics

NCERT Solutions for Class 11 Maths Chapter 11 Conic Sections

NCERT Solutions for Class 11 Maths Chapter 12 Introduction to Three Dimensional Geometry

NCERT Class 11 Chemistry Chapter 4 Notes Chemical Bonding and Molecular Structure - Download PDF

Hydrogen Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 9 Notes - Download PDF

The S-Block Elements Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 10 Notes - Download PDF

The P-Block Elements Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 11 Notes - Download PDF

NCERT Class 11 Chemistry Chapter 13 Notes Hydrocarbons - Download PDF

Environmental Chemistry Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 14 Notes - Download PDF

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Popular Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms^-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1) $0.34\; J$	Option 2) $0.16\; J$
Option 3) $1.00\; J$	Option 4) $0.67\; J$

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up ? Fat supplies 3.8×10⁷J of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g = 9.8 ms⁻² :

Option 1)

2.45×10⁻³ kg

Option 2)

6.45×10⁻³ kg

Option 3)

9.89×10⁻³ kg

Option 4)

12.89×10⁻³ kg

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1) $2,000 \; J - 5,000\; J$	Option 2) $200 \, \, J - 500 \, \, J$
Option 3) $2\times 10^{5}J-3\times 10^{5}J$	Option 4) $20,000 \, \, J - 50,000 \, \, J$

A particle is projected at 60⁰ to the horizontal with a kinetic energy $K$ . The kinetic energy at the highest point

Option 1) $K/2\,$	Option 2) $\; K\;$
Option 3) $zero\;$	Option 4) $K/4$

In the reaction,

$2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}$

Option 1) $11.2\, L\, H_{2(g)}$ at STP is produced for every mole $HCL_{(aq)}$ consumed	Option 2) $6L\, HCl_{(aq)}$ is consumed for ever $3L\, H_{2(g)}$ produced
Option 3) $33.6 L\, H_{2(g)}$ is produced regardless of temperature and pressure for every mole Al that reacts	Option 4) $67.2\, L\, H_{2(g)}$ at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, $Mg_{3}(PO_{4})_{2}$ will contain 0.25 mole of oxygen atoms?

Option 1) 0.02	Option 2) 3.125 × 10^-2
Option 3) 1.25 × 10^-2	Option 4) 2.5 × 10^-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1) decrease twice	Option 2) increase two fold
Option 3) remain unchanged	Option 4) be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1) Molality	Option 2) Weight fraction of solute
Option 3) Fraction of solute present in water	Option 4) Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol^-1) is

Option 1) twice that in 60 g carbon	Option 2) 6.023 × 10²²
Option 3) half that in 8 g He	Option 4) 558.5 × 6.023 × 10²³

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t²) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m² , the number of rotations made by the pulley before its direction of motion if reversed, is