Class 11 Notes: NCERT Solutions PDF & PCMB, English Chapterwise Notes

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Class 11 Notes for NCERT syllabus covering all PCMB subjects along with English is provided in this article. The Class 11 Notes for Physics, Maths, Chemistry and Biology have been prepared according to the latest CBSE Class 11 syllabus. Weightage for each chapter, the expected number of questions, chapterwise NCERT Solutions and its PDF is provided for the students to download and study. 


Class 11 Physics Notes

Class 11 Physics consists of 15 chapters which are classified under 10 units. The following table depicts the marks allocated to each of these units.

Unit Unit Chapters Weightage
1. Physical World and Measurement

Chapter 1: Physical World

Chapter 2: Units and Measurement

23
2. Kinematics

Chapter 3: Motion in a Straight Line

Chapter 4: Motion in a Plane

3. Laws of Motion Chapter 5: Laws of Motion
4. Work, Energy and Power Chapter 6: Work, Energy and Power 17
5. Motion of System of Particles and Rigid Body Chapter 7: System of Particles and Rotational Motion
6. Gravitation Chapter 8: Gravitation
7. Properties of Bulk Matter

Chapter 9: Mechanical Properties of Solids

Chapter 10: Mechanical Properties of Fluids

Chapter 11: Thermal Properties of Matter

20
8. Thermodynamics Chapter 12: Thermodynamics
9. Behavior of Perfect Gases and Kinetic Theory of Gases Chapter 13: Kinetic Theory
10. Oscillations and Waves

Chapter 14: Oscillations

Cahpter 15: Waves

10

Class 11 Physics Chapter 1 Notes

Physical World chapter deals with the nature of physics, laws binding the physical world and scientific technological advancement.

Weightage: 8 marks

Some of the important topics in Physical world chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 1


Class 11 Physics Chapter 2 Notes

The units and Measurement chapter includes all fundamental and derived unit lists and the scientific convention of writing symbols and dimensional analysis.

Weightage: 8 marks

Some of the important topics in Units and Measurement chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 2


Class 11 Physics Chapter 3 Notes

Motion in a straight line chapter covers all aspects of displacement, velocity, acceleration, velocity-time graph, speed.

Weightage: 8 marks

Some of the important topics in Motion in a straight line chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 3


Class 11 Physics Chapter 4 Notes

Motion in a plane describes the position and displacement vectors along with the differentiation of scalar and vector quantities.

Weightage: 6 marks

Some of the important topics in Motion in a plane chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 4


Class 11 Physics Chapter 5 Notes

Laws of Motion chapter mainly deals with Newton’s three laws of motion and the concept of force. 

Weightage: 6 marks

Some of the important topics in Laws of Motion chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 5


Class 11 Physics Chapter 6 Notes

Work, Energy and Power chapter deals with the law of conservation of energy, collision theory, potential and kinetic energy

Weightage: 6 marks

Some of the important topics in Work, Energy and Power chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 6


Class 11 Physics Chapter 7 Notes

System of particles and rotational motion chapter covers on a wide variety of topics such as rotational motion, torque, angular velocity and acceleration, centripetal and centrifugal force.

Weightage: 6 marks

Some of the important topics in System of Particles and Rotational Motion chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 7


Class 11 Physics Chapter 8 Notes

Gravitation chapter covers all aspects of topics related to gravitation such as Kepler’s law of planetary motion, universal gravitational law, acceleration due to gravity and value of g and G.

Weightage: 6 marks

Some of the important topics in Gravitation chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 8


Class 11 Physics Chapter 9 Notes

Mechanical properties of Solids cover topics such as stress, strain, modulus of elasticity, hooke’s law, etc.

Weightage: 4 marks

Some of the important topics in Mechanical Properties of Solids chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 9


Class 11 Physics Chapter 10 Notes

Mechanical properties of fluids deals with pressure exerted on fluids and its characteristics, Bernoulli’s Theorem, Stoke’s Law, Pascal’s law, Surface tension, etc.

Weightage: 4 marks

Some of the important topics in Mechanical Properties of Fluids chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 10


Class 11 Physics Chapter 11 Notes

Thermal properties of matter covers all concepts related to heat and temperature. 

Weightage: 4 marks

Some of the important topics in Thermal Properties of Matter chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 11


Class 11 Physics Chapter 12 Notes

Thermodynamics is a chapter which explains all the laws relating to thermodynamics, heat engine, isothermal and adiabatic process.

Weightage: 4 marks

Some of the important topics in Thermodynamics chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 12


Class 11 Physics Chapter 13 Notes

Kinetic Theory mostly explains about the kinetics involved in the gaseous state, concept of mean free path and Avogadro’s number.

Weightage: 4 marks

Some of the important topics in Kinetic Theory chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 13


Class 11 Physics Chapter 14 Notes

Oscillations are periodic motions that have a definite frequency and wavelength. 

Weightage: 5 marks

Some of the important topics in Oscillations chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 14


Class 11 Physics Chapter 15 Notes

Waves chapter includes the motion of waves along with the study and characteristics of types of waves such as Transverse and Longitudinal Waves.

Weightage: 5 marks

Some of the important topics in Waves chapter include:

Download PDF: NCERT Solutions for Class 11 Physics Chapter 15


Class 11 Chemistry Notes

Class 11 Chemistry consists of 14 chapters. The following table consists of the marks allocated to each of these chapters.

Unit Weightage
1. Some Basic Concepts of Chemistry 7
2. Structure of Atom 9
3. Classification of Elements and Periodicity in Properties 6
4. Chemical Bonding and Molecular Structure 7
5. States of Matter: Gases and Liquids [Omitted] -
6. Chemical Thermodynamics 9
7. Equilibrium 7
8. Redox Reactions 4
9. Hydrogen [Omitted] -
10. S Block Elements [Omitted] -
11. Some p Block Elements [Omitted] -
12. Organic Chemistry: Some Basic Principles and Techniques 11
13. Hydrocarbons 10
14. Environmental Chemistry [Omitted] -

Class 11 Chemistry Chapter 1 Notes

Some Basic Concept of Chemistry chapter covers all aspects of the nature all of states of matter, law of chemical combination, mole concept and stoichiometry.

Weightage: 7 marks

Some of the important topics in Some Basic Concepts of Chemistry chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 1


Class 11 Chemistry Chapter 2 Notes

Structure of Atom chapter explains in details about the subatomic particles, their arrangement and various atomic models.

Weightage: 9 marks

Some of the important topics in Structure of Atom chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 2


Class 11 Chemistry Chapter 3 Notes

Classification of elements and periodicity in properties chapter deals with the classification and arrangement of elements in the periodic table and the respective periodic trends it follows.

Weightage: 6 marks

Some of the important topics in Classification of elements and periodicity in properties chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 3


Class 11 Chemistry Chapter 4 Notes

Chemical Bonding and Molecular Structure explains the bonding mechanism in molecules, types of bonds, hybridisation and theories on arrangement of electrons in the orbitals.

Weightage: 7 marks

Some of the important topics in Chemical Bonding and Molecular Structure chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 4


Class 11 Chemistry Chapter 5 Notes [Omitted]

States of Matter chapter covers all properties of the three states of matter, laws that prove the characteristics of behavior of fluids and energies of molecule.

Some of the important topics in States of Matter chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 5


Class 11 Chemistry Chapter 6 Notes 

Chemical Thermodynamics covers all aspects related to Thermodynamics in chemical reactions such as enthalpy and entropy change, laws of thermodynamics and heat exchange in chemical reactions.

Weightage: 9 marks

Some of the important topics in Thermodynamics chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 6


Class 11 Chemistry Chapter 7 Notes

Equilibrium in chemistry relates to the equilibrium reactions that take place in a reversible reaction. This chapter deals with Le Chatelier principle, law of mass action, ionization and common ion effect.

Weightage: 7 marks

Some of the important topics in Equilibrium chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 7


Class 11 Chemistry Chapter 8 Notes

Redox reactions are where both reduction and oxidation reactions takes place. This chapter deals with the properties and mechanism of Redox reactions.

Weightage: 4 marks

Some of the important topics in Redox reactions chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 8


Class 11 Chemistry Chapter 9 Notes [Omitted]

Hydrogen chapter covers all aspects of hydrogen such as its physical and chemical properties, isotopes, position in periodic table, structure, etc.

Weightage: 4 marks

Some of the important topics in Hydrogen chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 9


Class 11 Chemistry Chapter 10 Notes [Omitted]

S block elements chapter explains the physical and chemical properties, periodic trends and chemical reactivity of group 1 and group 2 elements which make up the s block of periodic table.

Weightage: 4 marks

Some of the important topics in s block elements chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 10


Class 11 Chemistry Chapter 11 Notes [Omitted]

P block elements chapter describes the chemical and physical properties of p block elements especially group 13 and group 14 of the periodic table.

Weightage: 4 marks

Some of the important topics in p block elements chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 11


Class 11 Chemistry Chapter 12 Notes

Organic chemistry given a brief insight about the characteristics, nature, IUPAC Nomenclature, physics and chemical properties of organic compounds.

Weightage: 11 marks

Some of the important topics in Organic Chemistry chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 12


Class 11 Chemistry Chapter 13 Notes

Hydrocarbons chapter covers all the physics and chemical properties of hydrocarbons and its classifications – aliphatic and aromatic hydrocarbons.

Weightage: 10 marks

Some of the important topics in Hydrocarbon chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 13


Class 11 Chemistry Chapter 14 Notes [Omitted]

Environmental Chemistry chapter deals with chemical changes related to the environment such as Pollutions, Green house effect, acid rain, ozone and its impacts.

Weightage: 6 marks

Some of the important topics in Environmental Chemistry chapter include:

Download PDF: NCERT Solution for Class 11 Chemistry Chapter 14


Class 11 Mathematics Notes

Class 11 Mathematics syllabus consists of 16 chapters which are categorized under 6 units. The weightage for each of these units is tabulated below.

Unit Unit Chapters Weightage
1. Sets and Function

Chapter 1: Sets

Chapter 2: Relations & Functions

Chapter 3: Trigonometric Functions

23
2. Algebra

Chapter 4: Principle of Mathematical Induction

Chapter 5: Complex Numbers and Quadratic Equations

Chapter 6: Linear Inequalities

Chapter 7: Permutations and Combinations

Chapter 8: Binomial Theorem

Chapter 9: Sequence and Series

30
3. Coordinate Geometry

Chapter 10: Straight Lines

Chapter 11: Conic Sections

Chapter 12: Introduction to Three Dimensional Geometry

10
4. Calculus Chapter 13: Limits and Derivatives 05
5. Mathematical Reasoning Chapter 14: Mathematical Reasoning 02
6. Statistics and Probability

Chapter 15: Statistics

Chapter 16: Probability

10

Class 11 Maths Chapter 1 Notes

A set is a collection of similar functions. Sets chapter includes its types, subsets, the complement of set, union and intersection of sets.

Weightage: 5 to 6 marks

Some of the important topics in Set chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 1: Sets


Class 11 Maths Chapter 2 Notes

Relations and functions chapter include the topics of catesian product of finite sets, domain, codomain, range and its functions.

Weightage: 5 to 6 marks

Some of the important topics in Relations and Functions chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 2: Relations and Functions


Class 11 Maths Chapter 3 Notes

Trigonometric functions include all the functions of the basic trigonometric ratios such as sine, cosine, tangent, cotangent, secant and cosecant.

Weightage: 5 to 6 marks

Some of the important topics in Trigonometric Functions chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 3: Trigonometric Functions


Class 11 Maths Chapter 4 Notes

Principle of mathematical induction chapter deals with the proof of induction and proving natural numbers as the least inductive subset of real numbers.

Weightage: 5 marks

Some of the important topics in Principle of Mathematical Induction chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 4: Principle of Mathematical Induction


Class 11 Maths Chapter 5 Notes

Complex numbers and Quadratic Equations deals with the methods to solve complex quadratic equations, square root of a complex number and the fundamental theorem of Algebra.

Weightage: 5 marks

Some of the important topics in Principle of Mathematical Induction chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 5: Complex Numbers and Quadratic Equations


Class 11 Maths Chapter 6 Notes

Linear Inequalities covers all aspects of linear inequalities in one variable, two variables and its representation in number line.

Weightage: 5 marks

Some of the important topics in the Linear Inequalities chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 6: Linear Inequalities


Class 11 Maths Chapter 7 Notes

Permutations and Combinations chapter deals with the fundamental principle of counting and factorials. 

Weightage: 5 marks

Some of the important topics in the Permutations and Combinations chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 7: Permutations and Combinations


Class 11 Maths Chapter 8 Notes

Binomial Theorem chapter covers the binomial theorem for positive integral indices, Pascal’s triangle and binomial expansion. 

Weightage: 5 marks

Some of the important topics in the Binomial Theorem chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 8: Binomial Theorem


Class 11 Maths Chapter 9 Notes

Sequence and series chapter explains the concepts of Arithmetic progression, Geometric progression, harmonic progression and its relevant formulas.

Weightage: 5 marks

Some of the important topics in the Sequence and Series chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 9: Sequences and Series


Class 11 Maths Chapter 10 Notes

Straight lines chapter covers all aspects of lines in relation to two-dimensional geometry, its slope intercept form, two-point form and angles between two points.

Weightage: 4 – 5 marks

Some of the important topics in the Straight Line chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 10: Straight Lines


Class 11 Maths Chapter 11 Notes

Conic sections chapter explains the properties related to all conic sections such as parabola, ellipse and hyperbola.

Weightage: 4 – 5 marks

Some of the important topics in the Conic sections chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 11: Conic Sections


Class 11 Maths Chapter 12 Notes

Introduction to three-dimensional geometry studies the three-dimensional coordinates of a point, section formula and distance between two points.

Weightage: 4 – 5 marks

Some of the important topics in the Introduction to Three dimensional geometry chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 12: Introduction to Three Dimensional Geometry


Class 11 Maths Chapter 13 Notes

Limits and Derivatives chaptēr includes the concept of limits of polynomials, trigonometric, exponential and logarithmic functions.

Weightage: 5 marks

Some of the important topics in the Introduction to Limits and Derivatives chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 13: Limits and Derivatives


Class 11 Maths Chapter 14 Notes

Mathematical reasoning chapter includes logically solving statements by connecting words and phrases.

Weightage: 2 marks

Some of the important topics in the Mathematical Reasoning chapter include:

  • Statements
  • New statements from old
  • Special words / Phrases
  • Implications
  • Validating Statements
  • Conjunction

Download PDF: NCERT Solutions for class 11 Mathematics chapter 14: Mathematical Reasoning


Class 11 Maths Chapter 15 Notes

Statistics chapter explains about mean, median, mode, standard deviation of grouped and ungrouped data.

Weightage: 5 marks

Some of the important topics in the Statistics chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 15: Statistics


Class 11 Maths Chapter 16 Notes

Probability chapter covers topics related to sample space and types of events.

Weightage: 5 marks

Some of the important topics in the Probability chapter include:

Download PDF: NCERT Solutions for class 11 Mathematics chapter 16: Probability


Class 11 Biology Notes

Class 11 Biology syllabus consists of 22 chapters which are categorized under 5 units. The weightage for each of these units is tabulated below.

Unit Unit Chapters Weightage
1. Diversity of Living Organisms

Chapter 1: The Living World

Chapter 2: Biological Classifications

Chapter 3: Plant Kingdom

Chapter 4: Animal Kingdom

12
2. Structural Organisations in Plants and Animals

Chapter 5: Morphology of Flowering Plants

Chapter 6: Anatomy of Flowering Plants

Chapter 7: Structural Organisation in Animals

12
3. Cell: Structure and Functions

Chapter 8: Cell: Unit of Life

Chapter 9: Biomolecules

Chapter 10: Cell Cycle and Cell Division

12
4. Plant Physiology

Chapter 11: Transport in Plants [Omitted]

Chapter 12: Mineral Nutrition [Omitted]

Chapter 13: Photosynthesis in Higher Plants

Chapter 14: Cellular Respiration

Chapter 15: Plants – Growth and Development

17
5. Human Physiology

Chapter 16: Digestion and Absorption [Omitted]

Chapter 17: Breathing and Exchange of Gases

Chapter 18: Body Fluids and Circulation

Chapter 19: Excretory Products and their Elimination 

Chapter 20: Locomotion and Movement

Chapter 21: Neural Control and Coordination

Chapter 22: Chemical Coordination and Integration

17

Class 11 Biology Chapter 1 Notes

The Living World chapter covers all topics on taxonomy and the hierarchical classification of organisms.

Weightage: 4 marks

Some of the important topics in the Living World chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 1


Class 11 Biology Chapter 2 Notes

Biological Classification chapter explains the salient features of the five-kingdom classification.

Weightage: 4 marks

Some of the important topics in the Biological Classification chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 2


Class 11 Biology Chapter 3 Notes

Plant Kingdom chapter covers all the salient features of Plants, their classifications and functions.

Weightage: 4 marks

Some of the important topics in the Plant Kingdom chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 3


Class 11 Biology Chapter 4 Notes

Animal Kingdom chapter covers all the salient features of animals, their classifications such as chordates, non-chordates and their functions.

Weightage: 4 marks

Some of the important topics in the Animal Kingdom chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 4


Class 11 Biology Chapter 5 Notes

Morphology of Flowering Plants article explains in detail about the parts, structure and functions of flowering plants.

Weightage: 4 marks

Some of the important topics in the Morphology of Flowering Plants chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 5


Class 11 Biology Chapter 6 Notes

Anatomy of flowering plants chapter explains the structure and functions of the tissues, its types, monocot and dicot systems.

Weightage: 4 marks

Some of the important topics in the Anatomy of Flowering Plants chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 6


Class 11 Biology Chapter 7 Notes

Structural Organisation in Animals covers all concepts from the structure and functions of animal cells, tissues, organs and organ systems such as digestive, reproductive, respiratory and excretory systems.

Weightage: 4 marks

Some of the important topics in the Structural Organisation of Animals chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 7


Class 11 Biology Chapter 8 Notes

Cell- the unit of life chapter explains the basic unit of life, cell structure, the cell organelles and the types of cells – prokaryotes and eukaryotes.

Weightage: 4 marks

Some of the important topics in the Cell- The Unit of Life chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 8


Class 11 Biology Chapter 9 Notes

Biomolecules are chemicals present inside the cells which are required for carrying out various functions. Proteins, Lipids, Amino acids, enzymes, nucleic acids, carbohydrates are some of the biomolecules.

Weightage: 4 marks

Some of the important topics in the Biomolecules chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 9


Class 11 Biology Chapter 10 Notes

Cell cycle and cell division deals with the life cycle of cells, mitosis and meiosis cell division and its relevant process.

Weightage: 4 marks

Some of the important topics in the Cell Cycle and Cell Division chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 10


Class 11 Biology Chapter 11 Notes [Omitted]

Transport in Plants covers the aspect of transportation of water and nutrients from roots to different parts of the plant and vice versa.

Weightage: 3 to 5 marks

Some of the important topics in the Transport in Plants chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 11


Class 11 Biology Chapter 12 Notes [Omitted]

Mineral Nutrition chapter explains the different types of nutrients required for the healthy growth of plants.

Weightage: 3 to 5 marks

Some of the important topics in the Mineral Nutrition chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 12


Class 11 Biology Chapter 13 Notes

Photosynthesis in higher plants chapter deals with the photosynthesis process that takes place in higher plants, the process and functions.

Weightage: 3 to 5 marks

Some of the important topics in the Photosynthesis in Higher Plants chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 13


Class 11 Biology Chapter 14 Notes

Cellular respiration chapter explains the respiration process that takes place in plants, pathways and respiration quotient.

Weightage: 3 to 5 marks

Some of the important topics in the Cellular Respiration chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 14


Class 11 Biology Chapter 15 Notes

Plant growth and development chapter covers all aspects of plant growth right from seed germination, phases of plant growth, types of hormones that aid in plant growth and their functions.

Weightage: 3 to 5 marks

Some of the important topics in the Plant growth and development chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 15


Class 11 Biology Chapter 16 Notes [Omitted]

Absorption and digestion chapter explains all the organs involved in nutrient absorption and digestion in the human body and the digestion disorders related to it.

Weightage: 2 to 3 marks

Some of the important topics in the Absorption and Digestion chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 16


Class 11 Biology Chapter 17 Notes

Breathing and Exchange of Gases chapter cover the process of respiration and exchange of gases in human beings, the lungs, windpipe and nose. The respiratory disorders are also covered in this chapter.

Weightage: 2 to 3 marks

Some of the important topics in the Breathing and Exchange of Gases chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 17


Class 11 Biology Chapter 18 Notes

Body fluids and circulation chapter deals with the structure, function and process of how blood and other nutrients are circulated through the human body. It covers all the circulatory organs including the heart, its components, arteries and veins.

Weightage: 2 to 3 marks

Some of the important topics in the Body Fluids and Circulation chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 18


Class 11 Biology Chapter 19 Notes

Excretory products and their elimination chapter consists of the structure and process of the human excretory system and detailed anatomy of each of the organs involved in the process of excretion and elimination.

Weightage: 2 to 3 marks

Some of the important topics in the Excretory Products and Their Elimination chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 19


Class 11 Biology Chapter 20 Notes

Locomotion and Movement chapter cover all aspects of the skeletal and muscular system of the human body which aid in body movements. It also covers different types of joints, muscles and disorders related to it.

Weightage: 2 to 3 marks

Some of the important topics in the Locomotion and Movement chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 20


Class 11 Biology Chapter 21 Notes

Neural Control and Coordination chapter explains how the nerve impulses are transferred from the brain to the target which facilitates in the coordination of different organ systems of the human body.

Weightage: 2 to 3 marks

Some of the important topics in the Neural Control and Coordination chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 21


Class 11 Biology Chapter 22 Notes

Chemical Coordination and Integration chapter explains about the endocrine and exocrine systems and the functions of different hormones secreted by different glands.

Weightage: 2 to 3 marks

Some of the important topics in the Chemical Coordination and Integration chapter include:

Download PDF: NCERT Solutions for Class 11 Biology Chapter 22


Class 11 English Notes

NCERT Solutions and Notes for Class 11 English is provided in a downloadable PDF below.

Hornbill NCERT Solutions


Hornbill - Poetry NCERT Solutions


Snapshot NCERT Solutions


Do Check Out:

Class 11 & 12 PCMB Study Guides
Class 11 Notes Class 12 Physics Notes SI units in Physics
Topics for Comparison in Physics NCERT Solutions for Class 11 Maths Important Physics Constants and Units
Class 12 Biology Notes Fundamental theorem of arithmetic MCQs in physics
Important Derivations in Physics Class 12 Maths Notes Important Chemical Reactions
Geometry Formulas in Physics NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 English NCERT Solutions for Class 12 Maths Probability and Statistics
Class 12 Chemistry Notes NCERT Solutions for Class 12 Physics Calculus
Topics with relation in physics NCERT Class 11 Physics Book NCERT Solutions for Class 12 Chemistry
Important PCMB Formulas Class 12 Physics Practicals Class 12 Physics Book PDF
NCERT Solutions for Class 11 Chemistry Chemistry MCQs NCERT Solutions for Class 11 English
NCERT Class 11 Chemistry Book Class 12 Physics Syllabus Number Systems
Physics Study Notes NCERT Solutions for Class 11 Physics Important Chemistry Formulas
Class 11 PCMB Syllabus Trigonometry Biology Study Notes
Mensuration Comparison Topics in Biology Comparison topics in Chemistry
Maths MCQs Permutation and Combination Biology MCQs
NCERT Class 12 Textbooks NCERT Class 12 Biology Book NCERT Class 12 Maths Book
Important Maths Formulas Comparison Topics in Maths Periodic Table in Chemistry
Chemistry Study Notes Class 12 Chemistry Practicals NCERT Class 11 Biology Book
Important Named Reactions NCERT Solutions for Class 11 Biology Class 12 PCMB Notes

CBSE CLASS XII Related Questions

  • 1.
    On hydrolysis, which of the following carbohydrates gives only $\mathrm{\beta}$-glucose ?

      • Starch
      • Sucrose
      • Maltose
      • Cellulose

    • 2.
      Four independent waves are expressed as \[ (i)\; y_1=A_1\sin\omega t, \] \[ (ii)\; y_2=A_2\sin 2\omega t, \] \[ (iii)\; y_3=A_3\cos\omega t, \] \[ (iv)\; y_4=A_4\sin\left(\omega t+\frac{\pi}{3}\right) \] The interference between two of these waves is possible in

        • (i) and (iii) only
        • (iii) and (iv) only
        • (i), (iii) and (iv) only
        • All of them

      • 3.
        Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.


          • 4.
            A DNA molecule is 160 base pairs long. It has 30% Guanine. How many Adenine bases are present in this DNA molecule?

              • 48
              • 64
              • 96
              • 192

            • 5.
              Assertion (A) : All atoms have a net magnetic moment. Reason (R) : A current loop does not always behave as a magnetic dipole.

                • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
                • Assertion (A) is true, but Reason (R) is false.
                • Both Assertion (A) and Reason (R) are false.

              • 6.
                Which of the following equations is NOT a Linear Differential Equation?

                  • \((1 + x^2) \, dy + 2xy \, dx = \cot x \, dx\)
                  • \(y + \frac{d}{dx}(xy) = x(\sin x + \log x)\)
                  • \(x(1 + y^2) \, dx - y(1 + x^2) \, dy = 0\)
                  • \(y \, dx - (x + 3y^2) \, dy = 0\)
                CBSE CLASS XII Previous Year Papers

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