NCERT Syllabus for Class 11 Biology 2025-26

NCERT Syllabus for Class 11 Biology 2025-26 - Download All Subject PDF

Edited By Irshad Anwar | Updated on Jul 29, 2025 05:28 PM IST

The NCERT syllabus for Class 11 Biology covers all the important life processes in detail. It helps students understand plants, animals, and the human body, and how they perform different functions. This syllabus discusses all basic concepts in a well-structured and organised way. It not only prepares students for school exams but also for competitive exams like NEET and other medical entrance tests. NCERT books explain all the topics included in the syllabus in a clear and student-friendly manner.

This Story also Contains

NCERT Class 11 Biology Syllabus 2025-26 (Theory)
NCERT Syllabus Class 11 Biology Reference Books
NCERT Class 11 Biology Syllabus 2025-26 (Practical Examination)
How to Download the NCERT Biology Class 11 Syllabus
Benefits of Knowing the NCERT Biology Class 11 syllabus

NCERT Syllabus for Class 11 Biology 2025-26 - Download All Subject PDF

The NCERT syllabus Class 11 Biology is divided into 5 units and 19 chapters. It covers units like diversity in the living world, structural organisation in plants and animals, cell structure, plants, and human physiology. The syllabus is prepared in such a way that it allows students to prepare their careers in a science-related field. The updated syllabus is currently not available at the official website, but Careers360 has provided the syllabus with the most accurate information. Having the updated Class 11 NCERT Biology Syllabus helps students plan their preparation in the right direction and score well in exams.

NCERT Class 11 Biology Syllabus 2025-26 (Theory)

The syllabus is divided into five units and a total of 19 chapters. The section below provides a unit-wise breakdown of the theory part, which highlights all the chapters students have to study throughout the session. Studying through the NCERT Syllabus for Class 11 Biology PDF allows students to explore new and interesting topics.

Units	Chapter Number	Chapter Name	Topic Name
Unit 1: Diversity in the Living World	Chapter 1	The Living World	What is living? Biodiversity Taxonomy and systematics Concept of species Taxonomical hierarchy Tools for the study of taxonomy (museums, zoological parks, herbaria, botanical gardens, keys)
	Chapter 2	Biological Classification	Five-kingdom classification Salient features of Monera, Protista, and Fungi Lichens, Viruses, Viroids
	Chapter 3	Plant Kingdom	Classification of plants Algae, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms Salient features and examples
	Chapter 4	Animal Kingdom	Classification of animals Non-chordates up to the phylum level Phylum Chordata up to the class level Salient features and examples
Unit 2: Structural Organisation in Plants and Animals	Chapter 5	Morphology of Flowering Plants	Root, stem, leaf, inflorescence, flower, fruit, seed morphology Family Solanaceae description
	Chapter 6	Anatomy of Flowering Plants	Tissue systems in dicots and monocots Anatomy and functions
	Chapter 7	Structural Organisation in Animals	Morphology and anatomy of the frog
Unit 3: Cell: Structure and Function	Chapter 8	Cell: The Unit of Life	Cell theory Prokaryotic and eukaryotic cells Cell organelles and their functions Ultrastructure of organelles
	Chapter 9	Biomolecules	Chemical constituents of cells Structure and function of proteins, carbohydrates, lipids, and nucleic acids Enzymes and action
	Chapter 10	Cell Cycle and Cell division	Cell cycle phases Mitosis and meiosis Significance of cell division
Unit 4: Plant Physiology	Chapter 11	Photosynthesis in Higher Plants	Photosynthesis process Light and dark reactions Factors affecting photosynthesis
	Chapter 12	Respiration in Plants	Aerobic and anaerobic respiration Glycolysis, Krebs cycle, electron transport chain
	Chapter 13	Plant Growth and Development	Phases of growth in Plants Plant hormones and their functions Seed dormancy and germination
Unit 5: Human Physiology	Chapter 14	Breathing and Exchange of Gases	Human respiratory system Mechanism of breathing Transport of gases
	Chapter 15	Body Fluids and Circulation	Blood composition and functions Circulatory system in humans
	Chapter 16	Excretory Products and Their Elimination	Human excretory system Urine formation Osmoregulation
	Chapter 17	Locomotion and Movement	Human skeletal system and muscular system Types of muscles Movement mechanism
	Chapter 18	Neural Control and Coordination	Nervous system Neuron structure and function Reflex action
	Chapter 19	Chemical Coordination and Integration	Endocrine glands and hormones Functions and disorders

NCERT Syllabus Class 11 Biology Reference Books

The NCERT syllabus is covered in the “Biology Class-XI, book, which has 19 chapters. These chapters are divided into 5 units. Apart from this NCERT Class 11 book, students should also read other reference books to understand all the chapters given in the NCERT Biology Class 11 syllabus, which is listed below:

Trueman’s Biology (Volume 1 & 2) – By K.N. Bhatia and M.P. Tyagi
Pradeep’s A Textbook of Biology – By P.S. Dhami
Dinesh Objective Biology – By Ashish Sarabhai
Arihant All-in-One Biology Class 11

NCERT Class 11 Biology Syllabus 2025-26 (Practical Examination)

Practical examination help students apply theoretical knowledge through hands-on activities and experiments. Given below is the table of the NCERT syllabus Class 11 Biology for practical exams.

Practical Evaluation Scheme

Particular	Marks assigned
One Major Experiment Part A (Experiment No 1,3,7,8)	5
One Minor Experiment Part A (Experiment No 6,9,10,11,12,13)	4
Slide Preparation Part A (Experiment No. 2,4,5)	5
Spotting Part B	7
Practical Record + Viva Voce	4
Project Record + Viva Voce	5
Total	30

Class 11 NCERT Biology Syllabus - List of Experiments

Study and description of three locally available common flowering plants, one from each of the families Solanaceae, Fabaceae and Liliaceae (Poaceae, Asteraceae or Brassicaceae can be substituted in case of a particular geographical location), including dissection and display of floral whorls, anther and ovary to show the number of chambers (floral formulae and floral diagrams). Types of root (Tap and adventitious), stem (herbaceous and woody), leaf (arrangement, shape, venation, simple and compound).
Preparation and study of T.S. of dicot and monocot roots and stems (primary).
Study of osmosis by a potato osmometer.
Study of plasmolysis in epidermal peels (e.g. Rhoeo leaves).
Study of the distribution of stomata on the upper and lower surfaces of leaves.
Comparative study of the rates of transpiration in the upper and lower surfaces of leaves.
Test for the presence of sugar, starch, proteins and fats. Detection in suitable plant and animal materials.
Separation of plant pigments through paper chromatography.
Study of the rate of respiration in flower buds/leaf tissue and germinating seeds.
Test for the presence of urea in urine.
Test for the presence of sugar in urine.
Test for the presence of albumin in urine.
Test for the presence of bile salts in urine.

Also read,

How to Download the NCERT Biology Class 11 Syllabus

Students can follow the steps given below to download the syllabus.

Step 1: Go to the official NCERT website at http://ncert.nic.in.

Step 2: On the home page, in the 'Search' option, type 'Syllabus' and click on it. This will take you to the syllabus page.

Step 3: Click on the 'Syllabus for Secondary and Higher Secondary Classes' option. The syllabus PDF will open.

Step 4: You will get all the links for different subjects from the list in the PDF.

Note: The Class 11 NCERT Biology Syllabus is not updated on the NCERT official website. Students can download the latest NCERT Class 11 syllabus from this page, which is given below.

Download -

NCERT Syllabus for Class 11 Biology PDF.

Benefits of Knowing the NCERT Biology Class 11 syllabus

Studying Biology in Class 11 helps students understand how living things work in the real world. It gives a clear idea about the basics and important terms. Knowing the Class 11 NCERT Biology syllabus provides many benefits to students for daily revision as well as for exams.

Going through the NCERT Syllabus for Class 11 Biology PDF helps students create a proper study plan and stay organised during preparation.
NCERT class 11 Biology syllabus 2025-26 also helps students to track which chapters are completed and which chapters need more time and attention.
By following the NCERT Biology Class 11 syllabus, students can avoid confusion and focus on the topics that are important for the exam.
Once students complete the NCERT syllabus, they feel confident because most of the questions in the exam are based on it.

NCERT Class 11 Syllabus

Frequently Asked Questions (FAQs)

1. What are the main units covered in Class 11 Biology NCERT syllabus?

The NCERT syllabus for class 11 Biology is divided into five units:

Diversity of Living Organisms
Structural Organisation in Animals and Plants
Cell Structure and Function
Plant Physiology
Human Physiology

2. How many chapters are there in the NCERT Class 11 Biology textbook?

There are a total of 19 chapters, which are included in the NCERT syllabus for class 11 Biology, organized into 5 units.

3. Does the Class 11 Biology syllabus include practical experiments?

Yes, the NCERT syllabus for class 11 Biology includes practical experiments as part of the curriculum. These practicals help students understand biological concepts such as:

Studying plant and animal specimens
Using microscopes to observe cells and tissues
Performing experiments related to osmosis, plasmolysis, and food tests
Preparing temporary slides
Recording and analyzing data

4. Which chapters are removed from NCERT Biology class 11?

In the NCERT Class 11 Biology syllabus, the chapters Transport in Plants and Mineral Nutrition have been removed. These were part of the Plant Physiology unit.

5. Is class 11 Biology tough?

Students might find Class 11 NCERT Biology Syllabus tough at first because the syllabus is detailed and the concepts are new. It needs regular study, understanding of processes, and practice of diagrams. With the help of NCERT books and revision, it becomes easier over time.

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NCERT Syllabus for Class 11 Biology 2025-26 - Download All Subject PDF

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Statistics Class 10th Notes - Free NCERT Class 10 Maths Chapter 14 Notes - Download PDF

Limits And Derivatives Class 11th Notes - Free NCERT Class 11 Maths Chapter 13 notes - Download PDF

Conic Section Class 11th Notes - Free NCERT Class 11 Maths Chapter 11 notes - Download PDF

Probability Class 11th Notes - Free NCERT Class 11 Maths Chapter 16 notes - Download PDF

Statistics Class 11th Notes - Free NCERT Class 11 Maths Chapter 15 notes - Download PDF

Introduction To Three Dimensional Geometry Class 11th Notes - Free NCERT Class 11 Maths Chapter 12 notes - Download PDF

NCERT Solutions for Class 11 Physics Chapter 7 Gravitation

NCERT Solutions for Class 11 Physics Chapter 4 Laws Of Motion

NCERT Solutions for Class 11 Physics Chapter 3 Motion in a Plane

NCERT Solutions for Class 11 Physics Chapter 6 System Of Particles And Rotational Motion

NCERT Solutions for Class 11 Physics Chapter 14 Waves

NCERT Solutions for Class 11 Physics Chapter 5 Work Energy and Power

NCERT Exemplar Class 11 Chemistry Solutions Chapter 3 Classification of Elements and Periodicity in Properties

NCERT Exemplar Class 11 Chemistry Solutions Chapter 14 Environmental Chemistry

NCERT Exemplar Class 11 Chemistry Solutions Chapter 6 Thermodynamics

NCERT Exemplar Class 11 Physics Solutions Chapter 2 Units and Measurement

NCERT Exemplar Class 11 Chemistry Solutions Chapter 5 States of Matter

NCERT Exemplar Class 11 Chemistry Solutions Chapter 2 Structure of Atom

NCERT Books for class 11 Hindi 2025-26: Download Free PDF

NCERT Books for Class 11 English 2025-26: Download Free PDF

NCERT Books for Class 11: Free PDF Download All Subjects

NCERT Book for class 11 Biology 2025-26: Download Free PDF

NCERT Books for Class 11 Chemistry 2025-26: Download Free PDF

NCERT Books for class 11 Maths 2025-26: Download Free 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