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Domestic uses of microorganisms (Preparation of bread, cake, curd and cheese); commercial uses of microorganisms (Production of alcoholic beverages and vinegar); Ecological benefits of microorganisms; Medicinal uses of microorganisms (Antibiotics and Vac

Chapter: Microorganisms : Friend and Foe
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Mode of transmission of diseases; Types of communicable diseases and their examples; Preventive measures for diseases; Plant diseases; Food poisoning, Food preservation and its importance; Methods of food preservation

Chapter: Microorganisms : Friend and Foe

Reactions of metals and non metals with oxygen; Reactions of metals and non metals with water; Reactions of metals and non metals with acids; Reactions of metals and non metals with bases; Displacement reactions

Chapter: Materials : Metals and Non-Metals

Iron; Copper; Zinc; Aluminium; Silver; Gold; Platinum; Lead; Chromium; Carbon; Silicon; Sulphur; Phosphorous; Hydrogen; Iodine; Chlorine; Oxygen; Nitrogen

Chapter: Materials : Metals and Non-Metals

Importance of plants; Deforestation and its causes and consequences; Plant conservation (Reforestation, Recycling of Paper, Protection of plants); Botanical Garden; Van Mahotsav programme; Chipko movement

Chapter: Conservation of Plants and Animals

Importance of animals; Factors affecting wildlife; Endangered species; Endemic species; Migratory birds; Animal conservation (In Situ conservation and Ex Situ conservation); Conservation programmes

Chapter: Conservation of Plants and Animals

Discovery of cell; Cell theory; Properties of cells; Types of organisms in reference to number of cells; Cell shape; Cell size; Levels of organisation; Types of cells (Prokaryotes and Eukaryotes)

Chapter: Cell - Structure and Functions

Cell organelles (Cell wall, cell membrane, cytoplasm, nucleus, mitochondria, lysosome)

Chapter: Cell - Structure and Functions

Cell organelles (Plastids, Vacuole, Endoplasmic Reticulum, Ribosomes,Golgi apparatus, Centrosome); Comparison between plant cell and animal cell

Chapter: Cell - Structure and Functions

Force: Push and pull; Effects of force, Types of force: Contact and non-contact

Chapter: Force and Pressure

Friction; Cause of friction; Types of friction; Factors affecting friction

Chapter: Friction

Friction is a necessary evil; Methods of reducing and increasing friction; Fluid friction

Chapter: Friction

Characteristics of sound wave; Loudness of sound; Audible range of humans; Noise pollution

Chapter: Sound

Light; Laws of reflection, Regular and diffused reflections; Multiple reflection; Kaleidoscope

Chapter: Light

Dispersion of sunlight, Human eye, Care of human eye, Braille system

Chapter: Light

Difference between natural and synthetic fibres; Polymers; Rayon

Chapter: Synthetic Fibres and Plastics

Nylon; Polyesters; Their characteristics and uses

Chapter: Synthetic Fibres and Plastics

Acrylic its characteristics and uses; Plastics; Classification of plastics as thermoplastics and thermosettings

Chapter: Synthetic Fibres and Plastics

Types of crops based on season (Rabi and kharif crops); Practices of Crop Production in detail (Preparation of soil and sowing); Green Revolution

Chapter: Crop Production and Management

Practices of Crop Production in detail (Adding manure and fertilisers, irrigation and protection from weeds)

Chapter: Crop Production and Management

Natural resources of energy; Biotic and abiotic sources; Renewable and non-renewable sources; Fossil fuels; Advantages of renewable resources over non-renewable resources

Chapter: Coal and Petroleum

Coal; Its formation; Types; Uses; Disadvantages; Petroleum; Its characteristics; Formation

Chapter: Coal and Petroleum

Petrol; Diesel; LPG; Bitumen; Lubricant oil; Paraffin wax; Conservation of petrol; Natural gases; Uses; Advantages over petrol

Chapter: Coal and Petroleum

Fuel; Combustible and incombustible substances; Ignition temperature; White phosphorus; Story of matchstick; Incomplete combustion; Combustion in daily life; Controlling fire accidents

Chapter: Combustion and Flame

Rapid, spontaneous, explosive combustions; Part and zone of flame; Combustion under improper supply of oxygen; Wick and wax of candle; Fuel, Types and characteristics; Ideal fuel; Calorific value

Chapter: Combustion and Flame

Harmful products produced during combustion; Air pollution, Health effect; Acid rain; Global warming; Suspended particulate matter (SPM); Green house effect

Chapter: Combustion and Flame

Types of Reproduction and their differences; Modes of Asexual Reproduction; Cloning (Dolly sheep)

Chapter: Reproduction in Animals

Sexual reproduction; Sexual reproduction in humans; Male reproductive system; Female reproductive system; Fertilisation in humans; Development of zygote and embryo; Twins and their types

Chapter: Reproduction in Animals

Types of Animals (Unisexual and Bisexual); Internal and external fertilisation; Oviparous and viviparous animals; Metamorphosis

Chapter: Reproduction in Animals

Adolescence; Puberty; Changes during Puberty; Secondary Sexual Characteristics in Males and Females; Healthcare during Adolescence; AIDS (Transmission and precautionary measures); Say no to drugs

Chapter: Reaching the Age of Adolescence

Hormones, Glands (Exocrine and Endocrine); Different endocrine glands in detail; Process of hormone action

Chapter: Reaching the Age of Adolescence

Conductivity of various liquids; Chemical effects of electric current; Detection of weak current; Electroplating

Chapter: Chemical Effects of Electric Current

Electric spark; Charging by rubbing; Types of electric charge and their interaction

Chapter: Some Natural Phenomena

Charging by different process; Transfer of electric charge; Electroscope

Chapter: Some Natural Phenomena

Lightning; Safety measures during lightning; Lightning conductors

Chapter: Some Natural Phenomena

Earthquake; Seismic or fault zone; Richter scale; Seismograph; Protection against earthquake

Chapter: Some Natural Phenomena

Solar system; Sun and planets; Asteroids and comets; Artificial Satellite

Chapter: Stars and the Solar System

Air and its components; Air pollutants; Carbon monoxide; Sulphur dioxide; Nitrogen oxides; CFCs; Suspended particles; Effect of air pllution on Taj Mahal

Chapter: Pollution of Air and Water

Green house effect; Causes of green house effect; Global warming and its effects on our environment and on earth's temperature; How to measure air pollution; 4R principle

Chapter: Pollution of Air and Water

Pollutants of water pollution; Case study of river Ganga; Ganga action plan; Save water; Purification of water by physical and chemical processes

Chapter: Pollution of Air and Water

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