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# CBSE Class 6-12 Rationalised Syllabus For Academic Year 2023-2024

Surface areas and volumes CBSE has recently released its secondary and senior secondary curriculum for the academic year 2023-24. As per the National Education Policy 2020, all boards have to reduce the content load and promote experiential learning among students. CBSE has incorporated this recommendation in its latest curriculum, reduced topics, and added various new concepts among different subjects.

## Rationalisation of Content

The National Education Policy has emphasised the need to reduce the content load on students and promote opportunities for experiential learning with a creative mindset. The pandemic also makes it necessary to reduce the burden on students. Thus, NCERT has decided to rationalise its textbooks across all classes. The rationalisation also ensures the Learning Outcomes developed by NCERT are considered.

## Reduction in Syllabus in 2023-24 CBSE Curriculum

The syllabus has been reduced by 25-30%. Instead of removing entire chapters, CBSE has chosen to remove non-essential parts. For CBSE classes 6 to 12, a few chapters have been deleted in the NCERT textbooks for the academic year 2023-2024. There have been some changes in TBS (exercise questions) due to chapter/topic deletion.

Overall changes with respect to the deletion of chapters and topics for CBSE 6 to 12 for this academic year 2023-2024 are listed below:

Below are subject-by-subject details regarding the deleted portion of the syllabus for academic year 2023-2024.

Maths – Deleted portion for academic year 2023-2024

 Class/Grade Deleted Portion CBSE Class 6 Maths Knowing our Numbers Estimating to the nearest hundreds by rounding off Estimating to the nearest thousands by rounding off Estimating outcomes of number situations To estimate sum or difference To estimate products Using Brackets Roman Numerals  Whole Numbers Properties of Whole Numbers Patterns in Whole Numbers  Playing with Numbers Some More Divisibility Rules  Basic Geometrical Ideas Triangles Quadrilaterals Circles  Understanding Elementary Shapes Three Dimensional Shapes  Decimals Tenths Hundredths  Data Handling Drawing a Pictograph A Bar Graph Interpretation of a Bar Graph Drawing a bar graph Algebra Use of Variables in Common Rules Expressions with Variables Using Expressions Practically What is an Equation? Solution of an Equation Completely Deleted Chapters: Symmetry Practical Geometry CBSE Class 7 Maths Integers  Product of three or more Negative Integers Making Multiplication Easier Fractions and Decimals How well have you learnt about fractions? How well have you learnt about decimal numbers? Data Handling  Collecting data Organisation of data Chance and probability Simple Equations  From solution to equation Lines and Angles  Adjacent Angles Linear Pair Vertically Opposite Angles Comparing Quantities  Equivalent ratios Perimeter and Area  Squares and rectangles Triangles as parts of rectangles Generalising for other congruent parts of rectangles Conversion of units Algebraic Expressions  Addition and subtraction of algebraic expressions Using algebraic expressions – formulas and rules Completely Deleted Chapters: Congruence of Triangles Practical Geometry

Science (Physics, Chemistry and Biology) – Deleted portion for academic year 2023-2024

 Class/Grade Deleted Portion CBSE Class 6 Science Completely Deleted Chapters: Food: Where Does it Come From Fibre to Fabric Changes Around Us Water Garbage In, Garbage Out CBSE Class 7 Science Completely Deleted Chapters: Fibre to Fabric Weather, Climate and Adaptations of Animals to Climate Winds, Storms and Cyclones Soil Water: A Precious Resource CBSE Class 8 Science Completely Deleted Chapters: Synthetic Fibres and Plastics Materials: Metals and Non-Metals Cell- Structure and Functions Stars and the Solar System Pollution of Air and Water CBSE Class 9 Science Matter in Our Surroundings Bose-Einstein Condensate Is matter around us pure. Separating the components of a mixture Completely Deleted Chapters: Diversity in Living Organisms Why Do We Fall Ill Natural Resources CBSE Class 10 Science Heredity and Evolution Evolution Evolution and classification Evolution should not be equated with progress. Magnetic effect of Electric current Electric motor Electromagnetic induction Electric generator The Human Eye and the colourful world Colour of the Sun at Sunrise and Sunset Completely Deleted Chapters: Periodic Classification of Elements Sources of Energy Sustainable Management of Natural Resources CBSE Class 11 Physics Part I Units and measurements:  Measurement of length  Measurement of mass  Measurement of time  Accuracy, precision of instruments and errors in measurement  Significant figures  Motion in a straight line:  Position, path length and displacement  Average velocity and average speed  Relative velocity  Motion in a plane:  Relative velocity in two dimensions  Work, energy and power:  Various forms of energy - the law of conservation of energy  System of particles and rotational motion  Theorems of perpendicular and parallel axes  Rolling motion  Gravitation  Geostationary and polar satellites    Weightlessness  Part II  Mechanical Properties of Solids  Elastic behaviour of solid  Thermodynamics  Heat engines  Refrigerators and heat pumps  Oscillations:  Some systems executing Simple Harmonic Motion (Only Simple pendulum is considered)  Damped simple harmonic motion355 Forced oscillations and resonance. Waves:  Doppler effect Completely Deleted Chapter: Physical world CBSE Class 12 Physics Part I  Electric charges and fields:   Charge by induction   Current electricity: Combination of resistance –Series and Parallel.  Meter bridge and Potentiometer.  Moving charges and magnetism:  Only Toroid part is deleted.  Magnetism and matter:  The earth’s magnetism.  Permanent magnet and Electromagnet.  Electromagnetic induction:  Energy Consideration: A quantitative study.  Eddy current.  Alternating current:   LC Oscillator.  Part II  Ray optics and optical instruments:  Some natural phenomena due to sunlight. Dual nature of radiation and matter:  Davisson and Germer Experiment.  Semiconductor electronics: materials, devices and simple circuits  Special purpose p-n Junction Diodes  Digital Electronics and Logic Gates CBSE Class 11 Chemistry Completely Deleted Chapters: States of Matter Hydrogen The s-block Elements The p-block Elements Environmental Chemistry CBSE Class 12 Chemistry Completely Deleted Chapters: The Solid State Surface Chemistry General Principles and Processes of Isolation of Elements The p-Block Elements Polymers Chemistry in Everyday Life CBSE Class 11 Biology The Living World What is Living? Taxonomical Aids Plant Kingdom Plant Life cycles Alternation of Generations Morphology of Flowering Plants Modifications of Root Modifications of Stem Modifications of Leaves Fabaceae Solanaceae Anatomy of Flowering Plants Types of Tissues in Plants Secondary Growth Structural Organisation in Animals Types of Tissues in Animals Anatomy and Morphology of Earthworm Anatomy and Morphology of Cockroach Biomolecules Nature of bond linking monomers in a polymer Dynamic state of body constituents – concept of Metabolism Metabolic basis for living The living state. Plant Growth and Development Photoperiodism Vernalisation Seed dormancy Neural Control and Coordination Reflex action and reflex arc Sensory Reception and Processing Eye Ear CBSE Class 12 Biology Organisms and Populations Organism and its Environment Major Abiotic Factors Homeostasis Adaptations Ecosystem Ecological Succession Nutrient Cycling Ecosystem Services Biotechnology and its Applications (Below topics added) Tissue Culture, Micropropagation,  Meristems, Somatic hybridisation Completely Deleted Chapters: Reproductions in Organisms Strategies for Enhancement in Food Production Environmental Issues

Social Science – Deleted portion for academic year 2023-2024

English – Deleted portion for academic year 2023-2024

 Class/Grade Deleted Portion CBSE Class 6 English Completely Deleted Chapters: Honey Suckle A game of Chance Desert Animal A Pact with the Sun The Old Clock Ship What happened to the Reptiles? A strange wrestling match CBSE Class 7 English Completely Deleted Chapters: Honeycomb Fire friend and foe A Bicycle in Good Repair The Story of Cricket An Alien Hand The Desert The cop and the anthem I want Something in cage. A Homage to our Brave Soldiers (New chapter added) CBSE Class 8 English Completely Deleted Chapters: Honeydew               The Great stone face I The Great Stone face II It So happened Chapter 7- The open window Chapter 9 - COMET 1 Chapter 10 - Comet II Chapter 10 repeated Chapter 8 - Ancient Education System of India (New chapter added) CBSE Class 9 English Completely Deleted Chapters: Beehive The Bond of Love Packing Moments Remove the Accidental Tourist Reach for the Top (New chapter added) CBSE Class 10 English Completely Deleted Chapters: First Flight Hundred Dresses I Animal Hundred Dresses II Footprints Hack Driver

## FAQs

### 1. Has CBSE reduced the syllabus for 2023?

Yes, CBSE has reduced almost 30% of the syllabus in major subjects from classes 9 to 12. This step was taken due to the pandemic, along with the approval of the Supreme Court.

### 2. Are new textbooks with reduced syllabus available for CBSE?

Yes, the new textbooks with rationalised syllabus for the academic year 2023-2024 are now available on their official website

### 3. What are the changes in CBSE 2023 question pattern?

The latest CBSE board exams will give 40% weightage to MCQs, 40% weightage to subjective-type questions, and the final 20% weightage to competency-based questions.

### 4. What is the new rule of CBSE for the board exam 2023?

CBSE has decided to go forth with one yearly board exam. It has scrapped the term-wise examination pattern. Students will give annual board exams like before.

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