NCERT Class 11 Notes - Download Subject wise PDF Notes

NCERT
NCERT Class 11 Notes - Download Subject wise PDF Notes

NCERT Class 11 Notes - Download Subject wise PDF Notes

Irshad AnwarUpdated on 08 May 2025, 12:09 PM IST

The NCERT notes for class 11 are written to help students clearly understand and revise the concepts that are present in the textbooks. These notes are simple and prepared in an easy-to-understand language and are based on the latest CBSE syllabus. 11th standard is the foundation for many competitive exams, and these notes offer a combination of theory, important formulas, key terms and illustrative examples, which enables better memory and understanding of complex topics of all subjects. To optimise the study methodology, having revision notes and NCERT Solutions handy saves you time during revision.

Subject-Wise CBSE Class 11 Notes

The Class 11 notes are available for all major subjects, including physics, chemistry, biology, and mathematics. The NCERT notes are written with a focus on chapter-wise clarity and conceptual understanding. It will help to understand Newton's law in physics and the fundamentals of the nervous system as well. Each subject is covered in a systematic and exam-focused manner, helping students study smartly and efficiently. These CBSE notes for Class 11 are very helpful for your CBSE Board Exam preparation.

The following are the links to the Class 11 notes PDF download for all subjects:

NCERT Notes for Class 11 Biology	NCERT Notes for Class 11 Chemistry
NCERT Notes for Class 11 Mathematics	NCERT Notes for Class 11 Physics

Class 12 Subject-wise Weightage with Chapters

Here is a complete subject-wise weightage table for Class 11 (2025-26), including Physics, Chemistry, Biology, Maths and English chapters, based on the latest official syllabus and exam pattern. This will help students prioritise their preparation effectively.

Class 11 Physics Chapter-wise Weightage

Knowing the marks distribution in Physics helps students focus on high-weightage topics like Mechanics and Thermodynamics, which form the foundation for both board exams and competitive tests.

Unit No.	Unit Name	Marks
I	Physical World and Measurement	4
II	Kinematics	7
III	Laws of Motion	6
IV	Work, Energy and Power	6
V	Motion of System of Particles and Rigid Body	6
VI	Gravitation	6
VII	Properties of Bulk Matter	10
VIII	Thermodynamics	5
IX	Behaviour of Perfect Gas and Kinetic Theory	4
X	Oscillations and Waves	10
Total		64

Class 11 Chemistry Chapter-wise Weightage

Chemistry is divided into Physical, Inorganic, and Organic sections. Understanding the weightage helps students prioritise chapters like Chemical Bonding and Thermodynamics, which are crucial for both exams and higher studies.

Unit No.	Unit Name	Marks
I	Some Basic Concepts of Chemistry	7
II	Structure of Atom	9
III	Classification of Elements & Periodicity	6
IV	Chemical Bonding and Molecular Structure	7
V	States of Matter	6
VI	Thermodynamics	6
VII	Equilibrium	7
VIII	Redox Reactions	4
IX	Hydrogen	3
X	s-Block Elements	5
XI	Some p-Block Elements	6
XII	Organic Chemistry – Some Basic Principles	9
XIII	Hydrocarbons	8
XIV	Environmental Chemistry	3
Total		70

Class 11 Biology Chapter-wise Weightage

Biology covers diversity, physiology, and plant/animal functions. Focusing on high-mark units like Plant Physiology and Human Physiology can greatly improve your score.

Unit No.	Unit Name	Marks
I	Diversity of Living Organisms	15
II	Structural Organisation in Plants & Animals	10
III	Cell: Structure and Function	15
IV	Plant Physiology	17
V	Human Physiology	23
Total		80

Class 12 Maths Unit-wise Weightage

Understanding the weightage of each unit and chapter in Class 12 Maths helps students prioritise their study plan effectively. It provides better preparation on high-mark topics, improving time management and maximising scores in both board exams and competitive exams like JEE.

Unit No.	Unit Name	Chapters	Marks Weightage
I	Relations and Functions	Chapter 1: Relations and Functions Chapter 2: Inverse Trigonometric Functions	8
II	Matrices and Determinants	Chapter 3: Matrices Chapter 4: Determinants	10
III	Calculus	Chapter 5: Continuity and Differentiability Chapter 6: Application of Derivatives Chapter 7: Integrals Chapter 8: Application of Integrals Chapter 9: Differential Equations	35
IV	Vector Algebra and 3D Geometry	Chapter 10: Vector Algebra Chapter 11: Three Dimensional Geometry	14
V	Linear Programming	Chapter 12: Linear Programming	5
VI	Probability	Chapter 13: Probability	8
Total			80

Class 11 English (Core): Section-wise Weightage

For English, knowing the section-wise marks helps you balance your preparation between reading, writing, and literature, ensuring you don’t miss out on easy marks.

Section	Details	Marks
Reading Skills	Unseen passages, comprehension	18
Writing Skills	Notice, letter, article, report, etc.	18
Literature	Hornbill (Prose & Poetry), Snapshots (Supplementary)	44
Total		80

Subject-Wise CBSE Class 11 Revision Notes

The revision notes are a time-saving resource designed to help students in last-minute preparation and have a quick recap before tests and exams. These revision notes cover all chapters and highlight key points, important diagrams, formulas, and definitions, which are frequently asked in CBSE exams. Whether understanding the integrals in maths or photosynthesis in biology, these notes will serve as an excellent tool to quickly revise important concepts. As well as CBSE Previous Year Papers are very helpful for board exam preparation.

Subject-wise, NCERT Class 11 Solutions

NCERT Solutions for Class 11 Biology	NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Mathematics	NCERT Solutions for Class 11 Physics

Benefits of NCERT Class 11 Notes

NCERT notes break complex concepts from subjects like physics, chemistry, biology, and maths into easy-to-understand language.
These notes are ideal for last-minute revision, highlighting key points, formulas, and important definitions for efficient revision.
Each chapter is neatly summarised, helping students focus on individual topics without getting overwhelmed.
These notes form strong conceptual foundations for entrance exams like NEET, JEE, CUET and more.
The notes are compact and focus on important content, such that it reduces study time while increasing confidence during preparation.
Students can refer to these notes for the completion of assignments or for preparing short answers.
They are completely based on the latest syllabus and exam pattern, which makes sure students prepare only what's relevant.

NCERT Exemplar Solutions Subject-wise

NCERT Exemplar Class 11 Solutions

NCERT Exemplar Class 11 Maths

NCERT Exemplar Class 11 Physics

NCERT Exemplar Class 11 Chemistry

NCERT Exemplar Class 11 Biology

Frequently Asked Questions (FAQs)

Q: What are the subjects covered in Class 11 NCERT notes?

The NCERT notes for Class 11 are provided for 4 subjects namely Physics, Chemistry, Biology, and Mathematics.

Q: What are the features of NCERT Class 11 Notes?

The NCERT notes for Class 11 contain explanations to each topic of NCERT and the necessary formulas without the derivations.

Q: Can NCERT notes give me a 90+ score in the CBSE board exam?

The NCERT notes alone are not sufficient to score good in the exam. NCERT notes for Class 11 can be used to revise major concepts and the formulas of the chapter. Along with NCERT notes one should practice NCERT questions and previous year papers to get a 90+ score in the CBSE Class 11 exam.

Q: Whether the NCERT Class 11 notes give solutions to the NCERT questions?

No, the NCERT notes do not solve any questions. For solutions, students can refer to NCERT Solutions for Class 11.

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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) $0.67\; J$

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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

Read Complete Answer

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) $20,000 \, \, J - 50,000 \, \, J$

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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) $K/4$

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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 .

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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

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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.

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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.

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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

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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