- Kossel - Lewis Approach to Chemical Bond Formation
- Ionic Bonding (Formation of Ionic Bonds, Factors Affecting the Formation of Ionic Bonds; Calculation of Lattice Enthalpy )
- Covalent Bonding (Concept of Electronegativity. Fajan’s Rule, Dipole Moment)
- Valence Shell Electron Pair Repulsion (VSEPR ) Theory and Shapes of Simple Molecules
- Quantum Mechanical Approach to Covalent Bonding (Valence Bond Theory - its Important Features, the Concept of Hybridization involving s, p, and d Orbitals; Resonance )
- Molecular Orbital Theory (Its Important features. LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, the concept of bond order, bond length, and bond energy )
- Elementary Idea of Metallic Bonding
- Hydrogen Bonding and its Applications
- Cell Theory and Cell as the Basic Unit of Life ( Plant Cell and Animal Cell; Cell Envelope, Cell Membrane, Cell Wall; Cell Organelles Structure and Function; Mitochondria, Ribosomes, Plastids, Micro Bodies; Cytoskeleton, Cilia, Flagella, Centrioles...
- Structure of Prokaryotic and Eukaryotic Cell
- Endomembrane System - Endoplasmic Reticulum, Golgi Bodies, Lysosomes, Vacuoles
- Chemical Constituents of Living Cells : Biomolecules-Structure and Function of Proteins, Carbodydrates, Lipids, Nucleic Acids; Enzymes-types, Properties, Enzyme Action, Classification and Nomenclature of Anzymes
- B Cell Division (Cell Cycle, Mitosis, Meiosis and Their Significance )
- Nucleus-Nuclear Membrane, Chromatin, Nucleolus
- Breathing and Respiration (Respiratory Organs in Animals, Respiratory System in Humans,...)
- Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....)
- Excretory Products and Their Elimination (Modes of Excretion- Ammonotelism, Ureotelism, Uricotelism,...)
- Locomotion and Movement(Types of Movement- Ciliary, Fiagellar, Muscular; Skeletal Muscle- Contractile Proteins and Muscle Contraction,...)
- Neural Control and Coordination( Neuron and Nerves; Nervous System in Humans Central Nervous System,...)
- Chemical Coordination and Regulation(Endocrine Glands and Hormones; Human Endocrine System-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads,...)
- Health and Disease ,Pathogens Causing Human Diseases (Malaria, Filariasis, Ascariasis. Typhoid, Pneumonia, Common Cold, Amoebiasis, Ring Worm, Dengue, Chikungunya)
- Basic Concepts of Immunology-Vaccines
- Cancer, HIV and AIDS
- Adolescence, Drug and Alcohol Abuse
- Tobacco Abuse
- Microbes in Human Welfare(In household Food Processing, Industrial Production, Sewage Treatment, Energy Generation and as Biocontrol Agents and Biofertilizers.)
- Organisms and Environment Population Interactions-Mutualism
- Competition
- Predation
- Parasitism
- Population Attributes-Growth, Birth Rate and Death Rate, Age Distribution
- Ecosystem(Patterns, Components; Productivity and Decomposition; Energy Flow; Pyramids of Number, Biomass, Energy)
- Biodiversity and its Conservation (Concept, Patterns, Importance, Loss, Conservation of Biodiversity, Hotspots, Endangered Organisms, Extinction, Red Data Book, Biosphere Reserves, National Parks and Sanctuaries, Sacred Groves)