मराठी
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9
पाठ्यपुस्तक उत्तरे७६०५
संकल्पना स्पष्टीकरण आणि व्हिडिओ३२५
अभ्यासक्रम

Science SSLC (English Medium) Class 9 Tamil Nadu Board of Secondary Education Syllabus 2024-25

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Tamil Nadu Board of Secondary Education Class 9 Science Syllabus - Free PDF Download

Tamil Nadu Board of Secondary Education Syllabus 2024-25 Class 9: The Tamil Nadu Board of Secondary Education Class 9 Science Syllabus for the examination year 2024-25 has been released by the Tamil Nadu Board, Tamil Nadu Board of Secondary Education. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2024-25 Tamil Nadu Board of Secondary Education Class 9 Science Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new Tamil Nadu Board of Secondary Education syllabus to prepare for their annual exam properly.

The detailed Tamil Nadu Board of Secondary Education Class 9 Science Syllabus for 2024-25 is below.

Academic year:

Tamil Nadu Board of Secondary Education Class 9 Science Revised Syllabus

Tamil Nadu Board of Secondary Education Class 9 Science and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 9 Science Course Structure 2024-25 With Marking Scheme

#Unit/TopicWeightage
1  Measurement 
2  Motion 
3  Fluids 
4  Electric Charge and Electric Current 
5  Magnetism and Electromagnetism 
6  Light 
7  Heat 
8  Sound 
9  Universe 
10  Matter Around Us 
11  Atomic Structure 
12  Periodic Classification of Elements 
13  Chemical Bonding 
14  Acids, Bases and Salts 
15  Carbon and Its Compounds 
16  Applied Chemistry 
17  Animal Kingdom 
18  Organisation of Tissues 
19  Plant Physiology 
20  Organ Systems in Animals 
21  Nutrition and Health 
22  World of Microbes 
23  Economic Biology 
24  Environmental Science 
25  Computer – LibreOffice Impress 
 Total -
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Syllabus

1 Measurement
  • Measurements  
    • Measurement
    • The need for measurement in daily life
  • Physical Quantities  
    • Introduction
    • Types of Physical Quantities
  • Unit and Its Types  
    • Units
    • Types of units : Fundamental and Derived units
  • Unit Systems  
    • Introduction
    • Types of Unit System
  • International System of Units (Si System)  
  • Measurement of Length  
    • Length
    • Units of length
    • SI Unit of length
    • Subunit of metre
    • Multiple units of metre
    • Measurements of large distance:
      (i) Parallax Method: Parallax or parallactic angle (θ)
    • Method of measuring very small distances (Size of molecules)
    • Range of Lengths
  • Measuring Smaller Distances  
    • Fermi (f)
    • Angstrom (A°)
    • Nanometre (nm)
    • Micron (micrometre μm)
    • Millimetre (mm)
    • Centimetre (cm)
  • Measuring Larger Distances  
    • Astronomical unit
    • Light year
    • Parsec
  • Measurement of Mass  
    • Rage of Mass
  • Measurement of Time  
    • Time
    • SI unit of Time
    • Smaller unit of Time
    • Bigger unit of Time
  • The Temperature and a Thermometer  
    • Introduction
    • Experiment: 1
    • Experiment: 2
  • Scales of Thermometers  
    1. Fahrenheit scale
    2. Celsius temperature scale
    3. Kelvin scale (Absolute scale)
    • Relationship between the three scales of temperature
    • Conversion of Temperature from celsius scale to kelvin scale and vice-versa
  • Unit Prefixes  
  • Rules and Conventions for Writing SI Units and Their Symbols  
  • Vernier Callipers  
  • Screw Gauge  
  • Devices for Measuring Mass  
  • Properties of Matter and Their Measurement  
    • Concept of Mass and Weight  
      • Mass and Weight
      • Difference Between Mass and Weight
  • Accuracy in Measurements  
2 Motion
3 Fluids
  • Thrust and Pressure  
    • Introduction
    • Unit of pressure
    • Experiment
  • Pressure of liquid  
    • Introduction
    • Experiment 1
    • Experiment 2
  • Factors Affecting Liquid Pressure  
  • Pressure Exerted by a Liquid Column  
  • Atmospheric Pressure  
  • Measurement of Atmospheric Pressure  
    • Mercury Barometer (Simple Barometer)  
  • Gauge Pressure and Absolute Pressure  
  • Pascal’s Law  
  • Hydraulic Machines: Hydraulic Press (Or Bramah Press)  
  • Density and It’s Unit  
    • Density
    • Unit of Density
    • Relationship between S.I. and C.G.S. units
  • Relative Density and Its Unit  
    • Relative density
    • Unit of relative density
  • Principle of Floatation (Laws of Flotation)  
  • Application of Principle of Flotation  
  • Buoyancy Force (Upthrust Force)  
    • Introduction
    • Experiment 1
    • Experiment 2
  • Archimedes Principle  
    • Introduction
    • Discovery of Archimedes Principle
    • Archimedes Principle
    • Experiment
  • Law of Floatation  
4 Electric Charge and Electric Current
  • Electric Charge  
    • Introduction
    • Experiment
  • Electric Force  
  • Electric Field  
  • Potential and Potential Difference  
    • Electrostatic Potential
    • Potential Difference
    • Experiment 1
    • Experiment 2
    • Experiment 3
  • Electric Current  
    • Ampere: Pioneer of Electric Current Measurement
    • Electric Current
  • Direction of the Electric Current - Conventional and Electronic Flow  
  • Electro-motive Force (E.M.F.) of a Cell  
    • Factors affecting the e.m.f. of a cell
  • Resistance (R)  
    • Resistance (R)
    • Cause of resistance
    • Factors affecting the resistance of a conductor
  • Electric Circuit  
    • Introduction
    • Working
    • Electric Circuits and Circuit Diagrams
    • Experiment
    • Joule’s Law of Heating and Electrical Power
  • Types of Circuits: Series Circuit  
  • Types of Circuits: Parallel Circuit  
  • Symbols and Functions of Various Components of an Electric Circuits  
    • Components of Electric Circuits
    • Experiment 
  • Effects of Electric Current  
    • Heating Effect of Electric Current  
      • Introduction
      • Joule’s Law of Heating
      • Applications
      • Units of Power and Energy
      • Safety Measures and Overloading
    • Chemical Effects of Electric Current  
      • Chemical effect of electric current
      • Application of Chemical effect of electric current
      1. Electroplating
    • Magnetic Effect of Electric Current  
      • Introduction
      • Experiment 1
      • Experiment 2
      • Experiment 3
  • Types of Current  
    • Direct Current (DC)
    • Alternating Current (AC)
    • Differences Between AC and DC
  • Dangers of Electricity  
  • Precautions to Be Taken While Using Electricity  
5 Magnetism and Electromagnetism
  • Magnet  
  • Classification of Magnets  
    • Classification of Magnets
      1) Natural Magnet
      2) Artificial Magnet
  • Magnetic Field  
    • Introduction
    • Experiment
  • Properties of magnetic lines of force  
  • Effects of Electric Current  
    • Magnetic Effect of Electric Current  
      • Introduction
      • Experiment 1
      • Experiment 2
      • Experiment 3
  • Force on a Current Carrying Conductor in a Magnetic Field  
  • Force on Parallel Current Carrying Conductors  
  • Electric Motor  
    • Introduction
    • Construction and Working
    • Application
  • Electromagnetic Induction  
    • Introduction
    • Faraday’s Law of Electromagnetic Induction
    • Application
  • Faraday's Laws of Electromagnetic Induction  
    • Faraday’s laws of Electromagnetic Induction
    • Factors affecting the magnitude of induced e.m.f.
    • The direction of induced e.m.f.
    1. Fleming’s right-hand rule
    2. Lenz's Law and Faraday's Law
  • Alternating Current (A.C.) Generator  
    • Alternating current generator
    • Principle
    • Construction and its main parts
    • Working
    • Frequency of alternating current
  • Direct Current Motor  
    • Direct Current Motor
    • Principle
    • Construction and its main parts
    • Working
    • Ways of increasing the speed of rotation of coil
  • Distinction Between an A.C. Generator and D.C. Motor  
    • Distinction between an A.C. generator and D.C. motor
    • Similarities between an A.C. generator and D.C. motor
  • Electric Generator  
    • Introduction
    • Types of Electric Generator
    • Components of an Electric Generator
    • Working of an AC Generator
    • AC Generator vs. DC Generator
    • Application of an Electric Generator
  • Transformers  
    • Transformer
    • Principle of transformer
    • Efficiency of transformer (η)
    • Losses in transformer
      1) Cu loss (I2R)
      2) Eddy current loss
      3) Hysteresis loss
      4) Magnetic flux leakage
      5) Humming losses
  • Types of Transformer  
    • Types of Transformer
    1. Step up transformer
    2. Step down transformer
    • Distinction between the step up and step down transformers
    • Examples of Step up transformer and Step down transformer
    • Uses of Step up transformer and Step down transformer
  • Applications of Electromagnets  
6 Light
  • Light  
  • Reflection of Light  
    • Introduction
    • Activity
    • Experiment
  • Law of Reflection of Light  
    • Laws of Reflection
    • Experiment
  • Lateral Inversion  
  • Formation of Image by Reflection: Real and Virtual Image  
    • Formation of Image by Reflection
    1. Real Image
    2. Virtual Image
    3. Distinction between a real and a virtual image
  • Mirrors  
    • Spherical Mirrors  
      • Introduction
      • Activity
  • Images Formed by Spherical Mirrors  
  • Rules for the Construction of Image Formed by a Spherical Mirror  
    • Rules for the construction of image formed by a spherical mirror
    • Convenient rays
    1. A ray passing through the centre of curvature
    2. A ray parallel to the principal axis
    3. A ray passing through the focus
    4. A ray incident at the pole
  • Spherical Mirrors  
    • Concave Mirror  
      • Introduction
      • Image formation by Concave Mirror
      • Uses of Concave Mirror
    • Convex Mirror  
      • Introduction
      • Image Formation by Convex Mirror
      • Uses of Convex Mirror
  • Image Formation by Concave Mirror  
    • Experiment
    • Image Formation by Concave Mirror
  • Sign Convention  
    • General Rules of Cartesian Sign Convention
    • Sign Convention for Mirrors
    • Sign Convention for Lenses
  • Mirror Equation/Formula  
    • Introduction
    • Stepwise Derivation of the Mirror Formula
  • Linear Magnification (M) Due to Spherical Mirrors  
    • Introduction
    • Uses of Magnification
  • Image Formation by Convex Mirror  
  • Speed of Light  
    • Speed of light
    • Speed of light in different mediums
  • Refraction of Light from a Plane Transparent Surface  
  • Introduction to Refraction of Light  
    • Introduction
    • Activity 1
    • Activity 2
    • Activity 3
  • Total Internal Reflection  
    • Total Internal Reflection
    • Essential conditions for the total internal reflection
    • Total internal reflection in nature - optical fibres
    • Rainbow production
    • Refraction and total internal reflection of light rays at different angles of incidence
    • Consequences of total internal refraction
    • Applications of total internal reflection
7 Heat
  • Heat and Its Unit  
  • Effects of Heat  
  • Transfer of Heat  
    • Conduction  
      • Introduction
      • Experiment
    • Convection  
      • Introduction
      • Experiment
    • Radiation  
      • Introduction
      • Experiment 1
      • Experiment 2
      • Experiment 3
  • The Temperature and a Thermometer  
    • Introduction
    • Experiment: 1
    • Experiment: 2
  • Scales of Thermometers  
    1. Fahrenheit scale
    2. Celsius temperature scale
    3. Kelvin scale (Absolute scale)
    • Relationship between the three scales of temperature
    • Conversion of Temperature from celsius scale to kelvin scale and vice-versa
  • Absolute Zero  
  • Specific Heat Capacity  
    • Introduction
    • Specific Heat Capacity of Different Substances
    • Experiment
  • Thermal Capacity (Heat Capacity)  
    • Heat capacity or Thermal capacity
    • Units of heat capacity
  • Heat and change of physical state  
    • Introduction
    • Effect of Change of Temperature
    • Effect of Change of Pressure
    • Heat Required to Change State
    • Concept of Melting (Fusion)  
      • Melting (Fusion)
      • Melting point
      • Latent heat
      • Latent heat of fusion
      • Heating curve of ice during melting
      • Change in volume on melting
      • Effect of pressure on the melting point
      • Effect of impurities on the melting point
    • Concept of Boiling (Vaporization)  
      • Changes in States of Water
      • Experiment
    • Concept of Sublimation  
      • Introduction
      • Experiment
    • Concept of Freezing (Solidification)  
      • Introduction
      • Melting and Freezing Point of Water
      • Boiling and Condensation Points
    • Concept of Condensation (Liquefaction)  
    • Concept of Desublimation (Deposition)  
    • Concept of Evaporation  
      • Factors Affecting Evaporation
      • How does Evaporation cause cooling?
  • Latent Heat and Specific Latent Heat  
    • Introduction
    • Types of Latent Heat
    • Experiment
    • Latent Heat of Vaporization
8 Sound
9 Universe
10 Matter Around Us
  • Matter (Substance)  
    • Experiment 1
    • Experiment 2
    • Experiment 3
    • Experiment 4
    • Substance (Matter)
    • Physical Nature of matter
    • Chemical properties
  • Natural substances  
  • Pure Substances  
    • Pure substance
    • Characteristics of Pure substance
    • Examples of Pure Substance
  • Elements  
    • Experiment 
    • Elements
  • Compound  
    • Introduction
    • Experiment 1
    • Experiment 2
  • Impure Substance  
  • Mixture  
    • Introduction
    • Separation of Unwanted Substances from Mixtures
    • Activity
  • Differences Between Elements, Compounds, and Mixtures  
  • Types of Mixtures  
    • Types of Mixtures
    • Experiment 1
    • Experiment 2
  • Separation of Mixtures  
  • Methods of Separation  
    • Sublimation Method  
    • Centrifugation Method  
      • Centrifugation and Its Working
      • Principle and Applications of Centrifugation
      • Experiment 
    • Solvent Extraction (Using a Separating Funnel Method)  
      • Introduction to Separation Using a Separating Funnel
      • Experiment 
    • Simple Distillation Method  
      • Distillation Method
      • Experiment 1
      • Experiment 2
    • Fractional Distillation Method  
    • Chromatography Method  
      • Introduction
      • Experiment 
  • Solution  
    • Definition
    • Solution
    • Properties of Solution
  • Components of Solutions  
  • Different Types of Solutions  
    • Different Types of Solutions:
    1. Supersaturated solution
    2. Unsaturated solution
    3. Saturated solution
    4. Aqueous solution
    5. Non-aqueous solution
    6. Dilute solution
    7. Concentrated solution
  • Colloidal Solution  
    • Definition
    • Colloidal Solution
    • Understanding Compounds
    • Experiment
11 Atomic Structure
  • Atoms: Building Blocks of Matter  
    • Introduction of Atom
    • Discovery of Charged Particles and the Structure of an Atom
  • Lord Rutherford’s Atomic model  
    • Introduction
    • Rutherford’s Nuclear atomic model
    • Merits and Demerits
  • Limitations of Rutherford’s Atomic Model  
  • Neils Bohr’s Model of an Atom  
    • Introduction
    • Bohr’s stable orbit atomic model
    • Merits and Demerits
  • Discovery of Charged Particles in Matter  
    • Cathode Ray Tube (CRT) experiment
    • Neutrons (n)  
      • Neutrons
      • Discovery of Neutrons
      • Properties of Neutrons
  • Structure of an Atom  
  • Atomic Number (Z), Mass Number (A), and Number of Neutrons (n)  
    • Atomic number or Nuclear charge
    • Nucleons
    • Mass number
    • Relationship between atomic number and mass number
    • Representation of element
    • Number of Neutrons (n)
  • Atomic Mass  
    • Introduction of Atomic Mass
    • Properties of Mass Number
    • Determination of Relative Atomic Mass
  • Electronic Configuration of Atom  
  • Periodic Properties  
    • Valency  
      • Valency Rules and Formula Formation
      • Valency and Electronic Configuration
      • Types and Trends in Valency
      • Methods to Determine the Valency of an Element
  • Isotopes  
    • Introduction of Isotopes
    • Applications of Isotopes
  • Isobars  
    • Introduction
    • Example of Isobars
    • Characteristics of Isobars
  • Isotones or Isoneutronic  
    • Isotones or Isoneutronic
    • Examples
  • Laws of Chemical Combination  
    • Introduction
    • Experiment
    • Law of Multiple Proportions  
    • Law of Reciprocal Proportions  
    • Gay Lussac’s Law of Gaseous Volumes  
  • Quantum Numbers  
12 Periodic Classification of Elements
13 Chemical Bonding
  • Chemical Bond  
    • Introduction
    • Kossel-Lewis Approach to Chemical Bonds
    • Lewis Dot Structure
  • Types of Chemical Bond  
  • Ionic or Electrovalent Bond  
    • Ionic bond or Electrovalent bond
    • Mechanism of formation of ionic bond
    • Lattice enthalpy
    • Factors affecting the formation of an ionic bond
      i) Low ionization enthalpy
      ii) High negative electron gain enthalpy
      iii) Large lattice enthalpy
    • Characteristics of ionic or electrovalent compounds
    • Difference between ionic bond and covalent bond
    • Covalent character in ionic bond
    • Fajan's rules
  • The Covalent Bond  
    • Introduction of Covalent Bond
    • Formation of Covalent Bonds
    • Properties of Covalent Compounds
  • Formation of Covalent Bond  
    • Formation of Covalent Bond:
    1. Hydrogen molecule (Non-polar compound)
    2. Chlorine molecule (Non-polar compound)
    3. Oxygen molecule (non-polar compound)
    4. Nitrogen molecule (Non-polar compound)
    5. Hydrogen chloride (polar compound)
    6. Water molecule (polar compound)
    7. Ammonia molecule (polar compound)
    8. Carbon tetrachloride molecule (Non-polar compound)
    9. Methane molecule (Non-polar compound)
  • Fajan’s Rule  
  • Coordinate Bond  
    • Coordinate Bond
    • Characteristics of coordinate covalent compounds
  • Formation of Coordinate Bond  
    • Conditions for the formation of coordinate bond
    • Formation of coordinate bond
    1. Formation of H3O+ ion and lone pair effect of oxygen atom
    2. Formation of Ammonium ion (NH4+) and Lone Pair Effect of Nitrogen Atom
    3. Formation of hydroxyl ion (OH-)
  • Oxidation, Reduction and Redox Reactions  
    • Oxidation
    • Reduction 
    • Redox Reactions (Reduction + Oxidation)
    • Oxidising & Reducing Agents
14 Acids, Bases and Salts
  • Acids  
    • Definition
    • Introduction of Acid
    • Types of acid based on the source
    • Types of acid based on the presence of oxygen
    • Types of acid based on the strength of the acid
    • Types of acid based on its concentration
    • Types of acid based on the basicity of the acid
  • Properties of Acids  
  • Classification of Acids  
    • Classification of Acids
    1. Depending on their sources
      (a) Organic acids
      (b) Inorganic acids (mineral acids)
    2. Depending on their basicity
      (a) Monobasic acids
      (b) Dibasic acids
      (c) Tribasic acids
  • Uses of Acids  
  • Aquaregia  
  • Bases (Alkalis)  
    • Introduction of Base
    • Types of bases based on acidity
    • Types of bases based on therir concentration in aqueous solution
    • Types of bases based on their degree of ionisation
  • Properties of Bases (Alkalis)  
  • Classification of Bases (Alkalis)  
    • Classification of Bases (alkalis)
    1. Based on Ionisation
      (a) A strong alkali
      (b) A weak alkali
    2. On the basis of their basicity
      (a) Monoacidic base
      (b) Diacidic base
      (c) Triacidic base
    3. Based on concentration
      (a) Concentrated Alkali
      (b) Dilute Alkali
  • Uses of Bases  
  • Making of natural indicator  
    • Experiment: 1
    • Experiment: 2
    • Experiment: 3
  • Strength of Acidic or Basic Solutions  
    • pH Scale
    • Importance of pH in Everyday Life
  • Salts  
    • Introduction of Salts
    • Family of Salts
    • pH Value of a Salt
  • Classification of Salts  
    • Experiment 
    • Classification of Salts
  • Water of Crystallization  
    • Introduction
    • Experiment 1
    • Experiment 2
  • Properties of Salts  
  • Identification of Salts  
  • Important Salts in Daily Life  
    • Introduction
    • Experiment
    • Preparation and Uses of Washing Soda  
      • Introduction
      • Experiment
      • Properties
      • Uses
    • Preparation and Uses of Baking Soda  
      • Introduction
      • Properties
      • Uses
    • Preparation and Uses of Bleaching Powder  
      • Introduction
      • Experiment
      • Properties
      • Uses
    • Preparation and Uses of Plaster of Paris  
  • Similarities and Differences Between Acids and Bases  
    • Similarities and differences between acids and bases
    • Acid solution in water conducts electricity
    • What Happens to an Acid or a Base in a Water Solution?
15 Carbon and Its Compounds
  • Carbon: A Versatile Element  
    • Introduction
    • Occurrence of Carbon
    • Characteristics of Carbon
  • Discovery of Carbon Milestones  
  • Classification of Compounds of Carbon  
    • Organic Compounds of Carbon
    • Inorganic Compounds of Carbon
    • Comparison between organic and inorganic compounds
  • Special Features of Carbon  
    • Catenation
    • Tetravalency
    • Multiple Bonds
    • Isomerism
    • Allotropy
    1. Crystalline forms of Carbon
    2. Non-crystalline / Amorphous forms
  • Allotropy and Allotropes of Carbon  
    • Allotropy
    • Allotropes of Carbon
    • Crystalline Allotropes of Carbon: Diamond  
      • Crystalline Forms
      • Diamond
      • Uses of Diamond
    • Crystalline Allotropes of Carbon: Graphite  
      • Graphite
      • Experiment
      • Uses of Graphite
    • Crystalline Allotropes of Carbon: Fullerene  
      • Fullerene
      • Uses of Fullerene
  • Properties of Carbon  
    • Physical Properties of Carbon
    • Chemical Properties of Carbon
  • Carbon Compounds in Everyday Life  
    • Properties and Forms of Carbon
    • Carbon Compounds and Their Uses
  • Man-made Fibre: Plastics  
    • Materials
    • Plastic: A Manmade Material
    • Properties of Plastic
  • Identifying Different Types of Plastics: Resin Codes  
  • Harmful Effects of Plastics  
  • New Rules to Make Tamil Nadu Plastic Free  
  • Role of Students in the Prevention of Plastic Pollution  
16 Applied Chemistry
  • Applied Chemistry  
  • Nanochemistry  
  • Pharmaceutical Chemistry  
  • Anaesthetics  
  • Antacid  
  • Antibiotics  
    • Antibiotics and Their Mechanisms
    • Types of Antibiotics
    • Antibiotic Resistance
    • Modern Applications of Antibiotics
  • Analgesics  
  • Antipyretic  
  • Antiseptics and Disinfectants  
    • Antiseptics
    • Disinfectants
    • Differences between antiseptics and disinfectants
  • Antimalarial  
  • Electrochemistry  
  • Electro Chemical Cells  
  • Radiochemistry  
  • Dye Chemistry  
  • Agricultural Chemistry  
  • Food Chemistry  
  • Forensic Chemistry  
17 Animal Kingdom
  • Biodiversity  
  • Classification of Living Organisms  
    • Classification
    • Need for Classification
    • Advantages of Classification
  • Taxonomy and Systematics  
    • Taxonomy
    • Systematics
    • Classification of Taxonomy
    1. Plant Taxonomy
    2. Animal Taxonomy
  • Taxonomic Hierarchy of Living Organisms: Unit of Classification  
  • New Criteria for Basis of Classification  
    • Levels of organisation
    • Cellular level of organisation
    • Tissue level of organisation
    • Organ system level of organisation
    • Diploblastic and Triploblastic organisation
    • Patterns of symmetry
    • Coelom
    • Segmentation and Notochord
  • Nomenclature  
  • Invertebrata and Vertebrata  
    • Non Chordates (Invertebrata)
    • Chordates 
    • Chordata: Prochordata
    • Chordata: Vertebrata
    • Comparison of chordates and non-chordates
  • Non Chordates (Invertebrata)  
    • Phylum: Porifera  
    • Phylum: Cnidaria/Coelenterata  
    • Phylum: Platyhelminthes  
    • Phylum: Aschelminthes  
    • Phylum: Annelida  
    • Phylum: Arthropoda  
    • Phylum: Mollusca  
    • Phylum: Echinodermata  
    • Phylum: Hemichordata  
  • Chordata: Vertebrata  
    • Subphylum: Prochordata  
  • Kingdom Animalia  
    • Chordata: Vertebrata  
      • Class - Cyclostomata
      • Class - Pisces
      • Class - Amphibia 
      • Class - Reptilia
      • Class - Aves
      • Class - Mammalia
18 Organisation of Tissues
19 Plant Physiology
20 Organ Systems in Animals
21 Nutrition and Health
22 World of Microbes
  • Microorganisms (Microbes) and Microbiology  
    • Introduction of Microorganisms
    • Types of Microorganisms
    • Classification of Microorganisms
    • Experiment
    • Nature of microorganisms
    • Growth of microorganisms
  • Bacteria  
  • Viruses  
  • Fungi  
  • Prions  
  • Useful micro-organisms  
    • Experiment
    • Uses of Microorganisms:
  • Disease  
    • Introduction
    • Identification of disease
  • Manifestation of Diseases  
  • Categories of Disease  
    • Categories of Disease
    1. Extent of occurrence
      - Endemic diseases
      - Epidemic diseases
      - Pandemic diseases
      - Sporadic diseases
    2. Communicability: Communicable or Infectious diseases & Non- Communicable or Non-Infectious diseases
    3. Kinds of pathogens
    4. Kinds of transmitting agents
    5. Congenital diseases and acquired diseases
    6. Other types of diseases
      - Infectious diseases
      - Hereditary diseases
      - Physiological diseases
      - Deficiency diseases
  • Harmful Microorganisms  
  • Airborne Diseases  
  • Airborne Diseases Caused by Virus  
    • Airborne Diseases Caused by Virus
    1. Hepatitus A
    2. Hepatitus E
  • Airborne Diseases Caused by Bacteria  
  • Contamination of Water and Water Borne Diseases  
    • Waterborne diseases
    • Contamination of Water
    • Prevention of Waterborne Diseases
  • Waterborne Diseases Caused by Virus  
    • Waterborne Diseases Caused by Virus
    1. Hepatitus A
    2. Hepatitus E
  • Waterborne Diseases Caused by Bacteria  
    • Waterborne Diseases Caused by Bacteria:
    1. Diarrhoea
    2. Dysentery (Shigellosis)
    3. Typhoid Fever Bacteria (Salmonella)
    4. Cholera
  • Vector Borne Diseases  
    • Vector
    • Vector Borne Diseases: Mosquitoes, Cockroaches and Rats
    1. Malaria
    2. Elephantiasis (filariasis)
    3. Yellow fever
    4. Dengue
    • Control of mosquitoes:
    1. Spraying
    2. Elimination of breeding places
    3. Spraying on stagnant water
    4. Biological control
  • Common Diseases in Human Beings  
    • Protozoan Diseases  
      • Malaria
      • Amoebiasis
      • African sleeping sickness
      • Kala-azar
    • Helminthic Diseases  
      • Helminthic diseases
      • Ascariasis
      • Filariasis/ Elephantiasis
      • Taeniasis
  • Diseases Transmitted by Animals  
  • Sexually Transmitted Diseases (STD)  
    • Introduction
    • Some Sexually Transmitted Diseases
    • Other diseases of the Reproductive Tract
  • Vaccination and Immunization  
    • Vaccination
    • Immunization
23 Economic Biology
  • Horticulture  
  • Manuring (Biomanuring)  
  • Biofertilizers  
  • Medicinal Plant  
  • Mushroom Cultivation  
  • Hydroponics  
  • Aeroponics  
  • Aquaponics  
  • Dairy Farming  
    • Proper Care for Optimal Yield
    • Dairy Farm Management
    • Protecting the Cattle from Diseases
    • Livestock Management: Sheep, Goats, and Horses
  • Aquaculture  
  • Animal Husbandry (Livestock)  
    • Pisciculture (Fish Farming)  
      • Pisciculture
      • Types of Fish Culture
      • Types of Ponds for Fish Culture
      • Cultivable Food Fishes
      • Nutritional Value of Fishes
    • Apiculture (Bee Farming)  
      • Apiculture
      • Types of Honey Bee
      • Polymorphism in honey bee
      • Artificial bee hive
  • Prawn Culture  
  • Vermicomposting  
24 Environmental Science
  • Biogeochemical Cycle  
    • Introduction
    • Types of Biogeochemical Cycle
    • Water Cycle  
    • Nitrogen Cycle  
    • The Carbon Cycle  
  • Adaptations of Plants  
    • Adaptation in Aquatic Plants (Hydrophytes)  
    • Adaptation in Desert Plants (Xerophytes)  
      • Introduction
      • Experiment
    • Adaptation in Grassland Plants (Mesophytes)  
  • Adaptation in Animals  
    • Adaptation for Blending with the Surroundings  
  • Water Management (Conservation of Water)  
    • Fresh Water Management  
    • Waste Water Management  
  • International Union for Conservation of Nature and Natural Resources (IUCN)  
25 Computer – LibreOffice Impress
  • Libreoffice  
  • Presentation  

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