Deleted Portion (Theory) 

● Under Unit I: Chemical Substances – Nature and Behaviour o Metals and Nonmetals: Basic Metallurgical processes; Corrosion and its prevention o Carbon and its Compounds: Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents. 

● Under Unit II: World of Living o Control and coordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical coordination: animal hormones. o Heredity and Evolution:Basic concepts of evolution. 

● Under Unit III: Natural Phenomena o The Human Eye and the Colourful World: Functioning of a lens inHuman eye, defects of vision and their corrections, applications of spherical mirrors and lenses. 

● Under Unit IV: Effects of Current o Magnetic Effects of Electric Current: Electric Generator, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits. 

● Under Unit V: Natural Resources 


o Sources of energy: Different forms of energy, conventional and nonconventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus nonrenewable sources of Energy. 
● 
DELETED PRACTICALS 
1. 
Finding the pH of the following samples by using pH paper/universal indicator: o Dilute Hydrochloric Acid o Dilute NaOH solution o Dilute Ethanoic Acid solution o Lemon juice o Water o Dilute Hydrogen Carbonate solution 
2. 
Determination of the equivalent resistance of two resistors when connected in series and parallel. 
3. 
Preparing a temporary mount of a leaf peel to show stomata. 
4. 
Study of the following properties of acetic acid (ethanoic acid): o Odour o solubility in water o effect on litmus o reaction with Sodium Hydrogen Carbonate 
5. 
Study of the comparative cleaning capacity of a sample of soap in soft and hard water. 
6. 
Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of image formed. 
7. 
Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean). 
● 
Internal Assessment 

o Management of natural resources: Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources. 
MATHS SYLLABUS
CHAPTER 
TOPICS REMOVED 
UNIT INUMBER SYSTEMS 

REAL NUMBERS 
Euclid’s division lemma 
UNIT IIALGEBRA 

POLYNOMIALS 
Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES 
cross multiplication method 
QUADRATIC EQUATIONS 
Situational problems based on equations reducible to quadratic equations 
ARITHMETIC PROGRESSIONS 
Application in solving daily life problems based on sum to n terms 
UNIT IIICOORDINATE GEOMETRY 

COORDINATE GEOMETRY 
Area of a triangle. 
UNIT IVGEOMETRY 

TRIANGLES 
Proof of the following theorems are deleted • The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides. • In a triangle, if the square on one side is equal to sum of the squares on the other two sides, the angle opposite to the first side is a right angle. 
CIRCLES 
No deletion 
CONSTRUCTIONS 
Construction of a triangle similar to a given triangle. 
UNIT V TRIGONOMETRY 

INTRODUCTION TO TRIGONOMETRY 
motivate the ratios whichever are defined at 0^{o} and 90^{o} 
TRIGONOMETRIC IDENTITIES 
Trigonometric ratios of complementary angles. 
HEIGHTS AND DISTANCES 
No deletion 
UNIT VIMENSURATION 

AREAS RELATED TO CIRCLES 
Problems on central angle of 120° 
SURFACE AREAS AND VOLUMES 
Frustum of a cone. 
UNIT VISTATISTICS & PROBABILITY 

STATISTICS 
• Step deviation Method for finding the mean • Cumulative Frequency graph 
PROBABILITY 
No deletion 
ENGLISH SYLLABUS
Grammar
• Use of Passive Voice
• Clauses: Noun, Adverb Clauses of condition and time, Relative
• Prepositions
Literature FIRST FLIGHT
1. How to Tell Wild Animals
2. Trees
3. Fog
4. Mijbil the Otter
5. For Anne Gregory
FOOTPRINTS WITHOUT FEET
1. The Midnight Visitor
2. A Question of Trust
3. The Book That Saved The Earth

CLASS X 

S. No. 
Chapter No. and Chapter Name (NCERT Textbook) 
Recommended Portion for deletion 

UNIT 1: INDIA AND THE CONTEMPORARY WORLD –II (HISTORY) 

1. 
Section 2 : Livelihoods, Economies and Societies NOTE ANY ONE OUT OF THESE TWO CHAPTERS (CH3/CH4) Chapter 3: The Making of a Global World Chapter 4: The Age of Industrialisation 
The chosen Chapter to be assessed in the Periodic Tests and not in Board Examination. 
Unit 4: Scratch or Python (Theory and Practical) Alternative 1: Scratch • Revision of the basics of Scratch • Sprite, tempo, variables, and events • Coordinates and conditionals • Drawing with iteration • Update variables repeatedly, iterative development, ask and answer blocks • Create games, animated images, stories and songs OR Alternative 2: Python • Revision of Python basics • Conditionals: if, ifelse statements • Loops: for, while (e.g., sum of first 10 natural numbers) • Practice simple programs 
It's very useful sir… 😊😊👌👌
BHAIYA, WHEN YOU WILL ADD NOTES FOR CLASS : VII, VIII, IX.🧐🧐🤫🤫
VERY SOON