NCERT Class 12 Notes - Download Subject wise PDF Notes

NCERT
NCERT Class 12 Notes - Download Subject wise PDF Notes

NCERT Class 12 Notes - Download Subject wise PDF Notes

Irshad AnwarUpdated on 23 Jun 2025, 11:35 AM IST

NCERT Class 12 Notes are extremely useful for those students who are preparing for board exams and other competitive exams. These notes help in understanding complex concepts by giving short and essential points and are designed by experts to allow students to revise quickly and recollect key concepts without the need to go through the entire textbook once again. Properly maintained revision notes and NCERT Solutions at hand prove to be time-saving measures, greatly improving study techniques.

It is a good idea to use these notes since they allow students to study quickly and gain more confidence with their exams. They divide tough subjects into easier parts, which are usually done with pictures and examples to better understand the concepts. This way, they prove to be not only helpful for board exams but also for entrance exams like NEET and JEE, so that students can prepare well and give their best. Also, Class 11 is a bridge for most of the entrance exams, and hence, a thorough understanding of its concepts through NCERT Notes for Class 11 is necessary.

Subject-Wise CBSE Class 12 Notes

These notes are beneficial for students studying Biology, Chemistry, Maths, and Physics. The NCERT notes include important topics, formulas, and descriptions, but lack clear proofs. They're perfect for last-minute revision and allow students to study in depth for CBSE board exam preparation. They can be downloaded as PDFs and accessed offline. Some key points about these notes are given below:

Feature	Description
Subjects Covered	Biology, Chemistry, Mathematics, Physics
Content Type	Important points, formulas, and explanations
Exclusions	Detailed proofs
Format	Downloadable PDFs for offline use
Purpose	Quick review for exams and tests
Advantages	Saves time, makes studying easier, and helps with exam prep

The following are the links to the notes PDF of 12th grade for all subjects:

NCERT Notes Class 12 Chemistry	NCERT Notes Class 12 Physics
NCERT Notes Class 12 Biology	NCERT Notes Class 12 Mathematics

Download, revise, and save time

Class 12 Subject-wise Weightage with Chapters

Here is a complete subject-wise weightage table for Class 12 CBSE board exams (2025-26), including Physics, Chemistry, Biology, and English chapters, based on the latest official syllabus and exam pattern. This will help students prioritise their preparation effectively.

Physics (Theory: 70 marks, Practical: 30 marks)

Physics demands a clearing of concepts and problem-solving skills in important units such as Optics and Magnetism. The table below shows the marks given to each chapter.

Unit No.	Unit Name	Chapters	Marks
I	Electrostatics	1. Electric Charges and Fields 2. Electrostatic Potential and Capacitance	10
II	Current Electricity	3. Current Electricity	6
III	Magnetic Effects of Current and Magnetism	4. Moving Charges and Magnetism 5. Magnetism and Matter	11
IV	Electromagnetic Induction and AC	6. Electromagnetic Induction 7. Alternating Current	6
V	Electromagnetic Waves	8. Electromagnetic Waves	4
VI	Optics	9. Ray Optics and Optical Instruments 10. Wave Optics	14
VII	Dual Nature of Radiation and Matter	11. Dual Nature of Radiation and Matter	4
VIII	Atoms and Nuclei	12. Atoms 13. Nuclei	8
IX	Electronic Devices	14. Semiconductor Electronics	7
Total			70

Practical Weightage (30 marks): Experiments, practical record, viva, investigatory project, etc.

Chemistry (Theory: 70 marks, Practical: 30 marks)

Chemistry covers physical, inorganic, and organic sections with significant weightage on Electrochemistry and Organic Chemistry chapters. Prioritising these chapters can boost your overall score.

Unit	Chapters	Marks
Physical Chemistry	Solutions Electrochemistry Chemical Kinetics	23
Inorganic Chemistry	d- and f-Block Elements Coordination Compounds	14
Organic Chemistry	Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Amines Biomolecules	33
Total		70

Practical Weightage (30 marks): Volumetric analysis, salt analysis, content-based experiments, project work, viva, etc.

Biology (Theory: 70 marks, Practical: 30 marks)

Biology highlights chapters related to Genetics, Reproduction, and Human Welfare. Understanding these chapters thoroughly is essential for scoring well.

Unit No.	Unit Name	Chapters	Marks
VI	Reproduction	Sexual Reproduction in Flowering Plants Human Reproduction Reproductive Health	16
VII	Genetics and Evolution	Principles of Inheritance and Variation Molecular Basis of Inheritance Evolution	20
VIII	Biology and Human Welfare	Human Health and Diseases Microbes in Human Welfare	12
IX	Biotechnology and Its Applications	Biotechnology - Principles and Processes Biotechnology and Its Applications	12
X	Ecology and Environment	Organisms and Populations Ecosystem Biodiversity and Its Conservation	10
Total			70

Practical Weightage (30 marks): Major and minor experiments, slide preparation, spotting, project work, viva, etc.

English Core (Theory: 80 marks)

The English Core paper is divided into three main sections: Reading, Writing, and Literature. Each section tests different skills and includes specific chapters from the prescribed books.

Section	Topics/Skills Covered	Marks
Reading Skills	Unseen passages (factual, descriptive, literary), comprehension, vocabulary	22
Writing Skills	Notice writing, formal/informal invitations, letters (job application, letters to the editor), article/report writing	18
Literature Textbooks	Prose and poetry from Flamingo and Vistas (including plays, stories, and poems)	40
Total		80

Subject-Wise Class 11 Revision Notes

CBSE Class 12 Biology notes are provided for 16 chapters, Chemistry for 16 chapters, Mathematics for 13 chapters, and Physics for 14 chapters. Along with NCERT notes, students can use NCERT solutions to practice problems and CBSE previous year papers for board exam preparation.

Subject-Wise NCERT Class 12 Solutions

12 standard students can access the best solutions for Physics, Chemistry, Maths, and Biology on careers360.

NCERT solutions for Class 12 Biology	NCERT solutions for Class 12 Chemistry
NCERT solutions for Class 12 Mathematics	NCERT solutions for Class 12 Physics

Benefits Of NCERT Class 12 Notes

Students can refer to the notes to solve homework problems, as the notes cover the main topics and formulas
They can be used to prepare for board exams that follow the NCERT syllabus
These resources can be used to revise the concepts in Biology, Physics, Chemistry and Mathematics of 12th grade.

NCERT Class 12 Exemplar Subject Wise

Students must go through the exemplar to strengthen their grasp strong on the subject.

NCERT Exemplar for Class 12 Biology	NCERT Exemplar for Class 12 Chemistry
NCERT Exemplar for Class 12 Mathematics	NCERT Exemplar for Class 12 Physics

Frequently Asked Questions (FAQs)

Q: What are the subjects covered in Class 12 NCERT notes?

The NCERT notes for Class 12 is provided for 4 subjects namely Physics, Chemistry, Biology and Mathematics for Class 12. And Science and Mathematics for Class 9 and 10

Q: What are the features of NCERT Class 12th Notes?

The NCERT notes for Class 12 contains a brief outline 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 12th 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 12th exam.

Q: Whether the NCERT Class 12th 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 12.

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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