Learn Biology Online – List of Major Topics and Concepts in Biology
Improvements in Food Resources
- Organic Farming for Sustainable Agriculture
- Improvement in Crop Yields
- Manures and Fertilizers
- What is Irrigation System?
- Types of Cropping Patterns
- Crop Variety Improvement
- Protection of Crops from the Pests and Weeds
- Crop Diseases: Types, Causes and Symptoms
- Storage of Grains
- Animal Husbandry
- Poultry Farming
- Fish Production and Fish Farming
- Bee Keeping
- Plant Breeding
- Single Cell Protein
- Biofortification
- Prawn Culture
The Fundamental Unit of Life: Cell
- What are Living Organisms Made Up of?
- Discovery of Cells
- Instruments for Studying Cells
- Prokaryotic and Eukaryotic Cells
- Morphology of a Cell
- Structure of Cell
- Plasma Membrane
- Diffusion through a Cell Membrane
- Osmosis in a Plasma Membrane
- Transport Across Cell Membrane
- Endocytosis and Exocytosis
- Cell Wall
- What is a Nucleus?
- Cytoplasm
Tissues
Diversity in Living Organisms
- Biodiversity in Plants and Animals
- Binominal Nomenclature
- Basis of Biological Classification
- Hierarchy of Categories or Groups
- Characteristics of Five Kingdom Classification
- Plant Kingdom – Classification and Characteristics
- Classification of Animal Kingdom
- Phylum Porifera
- Phylum Coelenterata
- Phylum Ctenophora and Phylum Platyhelminthes
- Phylum Nematoda
- Phylum Annelida
- Phylum Arthropoda
- Classification of Phylum Mollusca
- Phylum Echinodermata
- Phylum Chordata
Why Do We Fall Ill?
- Why Do We Fall Ill?
- Sources of Disease
- Types of Diseases
- Infectious Diseases
- Non-communicable Diseases
- Protozoan Diseases
- Viral Diseases
- Bacterial Diseases in Humans
- Diseases Caused by Helminth
- Basic Concept of Immunology and Vaccine
- Adolescence, Drug, and Alcohol Abuse
Natural Resources
- Natural Resources – Biosphere
- Air as a Natural Resource
- Water as a Natural Resource
- Weathering and Soil Formation
- Biotic Resources
- Nutrient Cycles through the Environment
- Water Cycle
- Nitrogen Cycle
- Oxygen Cycle
- The Carbon Cycle
- What is Global Warming?
Life Processes
- Life Processes
- Nutrition and its Types
- Nutrition in Plants
- Nutrition in Animals
- Nutrition in Amoeba
- Nutrition in Human Beings (Human Digestive System)
- Respiration
- Types of Respiration
- Respiration in Plants
- Respiration in Animals
- Respiratory System in Humans
- Transportation in Plants
- Overview of Blood
- Human Circulatory System
- Excretion in Animals, Humans, and Plants
Control and Coordination
- Control and Coordination
- Control and Coordination in Plants
- Control and Coordination in Animals
- Human Nervous System
- The Peripheral Nervous System
- Central Nervous System
- The Endocrine System
How Do Organisms Reproduce
- Reproduction in Organisms
- Types of Reproduction
- Asexual Reproduction
- Vegetative Propagation in Plants
- Artificial Propagation of Plants
- Tissue Culture
- Sexual Reproduction in Organisms
- Sexual Reproduction in Flowering Plants
- Sexual Reproduction in Animals
- Parthenogenesis
- Human Reproductive System
- Birth Control
- Birth Control Methods
Heredity and Evolution
- An Overview of Heredity and Evolution
- Mendelian Laws of Inheritance
- Acquired and Inherited Traits
- Concept of Species
- The Origin of Life on Earth
- Spontaneous Generation Theory
- Biological Evolution
- Theories of Organic Evolution
Mechanism of Evolution
- Concept of Population
- Hardy-Weinberg Principle
- Variation as a Source of Evolution
- Mechanism of the Development of Variation
- Darwin’s Theory of Natural Selection
- Genetic Drift
- Formation of New Species by Speciation
Our Environment
- Structure, Functions, Units and Types of Ecosystem
- Food Chains: Definition, Types and Facts
- Characteristics of Food Web in an Ecosystem
- Trophic Levels – An Overview
- Transfer of Energy in Food Chains
- Depletion of the Ozone Layer
- Managing the Garbage we Produce
Management of Natural Resources
Crop Production and Management
- Different Types of Crops
- Basic Practices of Crop Production
- Methods of Sowing Seeds
- Adding Manure and Fertilizers
- Importance Factors Affecting Irrigation
- Removing the Weeds (or Weeding)
- Harvesting and Food from Animals
Micro-Organisms : Friend and Foe
- Major Groups of Micro-Organisms
- Micro-Organisms and Us
- Harmful Micro-Organisms
- Role of Mosquitoes in Spreading Diseases
- Food Poisoning – Symptoms and Causes
- Nitrogen Fixation Definition & Meaning
Conservation of Plants and Animals
- Deforestation and Its Uses
- Conservation of Forests and Wildlife
- Flora and Fauna
- List of Wildlife Sanctuary and National Parks
- Extinct Species and Endangered Species
Cell Structure and Functions
- Discovery of Cell and Cell Theory
- Structure of Cell Membrane – Definition and Function
- Prokaryotic Cells and Eukaryotic Cells
Reproduction in Animals
- Methods of Reproduction
- Sexual Reproduction in Animals and Humans
- Fertilisation in Humans – An Overview
- In Vitro Fertilisation (IVF) Process
- Reproduction in Hen and Metamorphosis
- Asexual Reproduction in Animals
- Cloning – Definition and Process
Reaching the Age of Adolescence
- Adolescence – Definition and Characteristics
- Puberty : Stages for Boys & Girls
- Secondary Sexual Characteristics in Humans
- Myths and Taboos Regarding Reproduction
- Hormones Other Than Sex Hormones
Nutrition in Plants
- Modes of Nutrition in Plants
- Photosynthesis : Food Making Process in Plants
- Other Modes Of Nutrition In Plants
- How Nutrients Are Replenished In The Soil
- Definition of Cells
Nutrition in Animals
- Different Methods of Food Taken by Animals
- Human Digestive System
- Types of Teeth
- Tongue and Diarrhoea
- Some Animals Eat Grass As Food
Fibre to Fabric
Weather, Climate and Adaptations of Animals to Climate
- Weather Forecast
- Climate and Adaptations
- The Polar Regions of Earth
- Migration of Animals in India
- The Tropical Rainforests
- Adaptations in Animals
Respiration in Organisms
- Respiration – An Overview
- Aerobic and Anaerobic Respiration
- Introduction to Breathing
- Respiration in Humans
- Breathing and Respiration in Other Animals
Transport in Animals and Plants
- Transport in Humans : Circulatory System
- Define Heartbeats and Pulse
- Importance of Excretion in Animals and Humans
- What is Transport in Plants
Reproduction in Plants
- Different Methods of Reproduction in Plants
- Asexual Reproduction in Plants
- Budding, Fragamentation and Spore Formation
- Sexual Reproduction in Plants
- Dispersal of Seeds and Fruits
Water : A Precious Resource
- Water : Forms of Water(or state of water)
- Groundwater : As an Important Source of Water
- Depletion of Water Table
- Distribution of Water
Forests : Our Lifeline
- Components of a Forest : Living Organisms and Non-Living Environment
- The forest is an Ecosystem
- Importance of Forests
- Forests Can Grow and Regenerate on Their own
Wastewater Story
- Sewage – An Overview
- Sewage Harmful To People And The Environment
- Alternative Arrangement For Sewage Disposal
Food : Where Does It Come From
Components of Food
- List all the Components of Food
- Test for Food Nutrients
- Balanced Diet – Definition, Importance, Benefits and Diet Chart
- Vitamin and Mineral Deficiency Diseases
Fibre to Fabric
Getting to Know Plants
- Herbs, Shrubs and Trees
- Parts of a Plant and Their Functions
- Venation Definition and Meaning
- Parts of Flowers
Body Movements
- Skeleton : Framework of Bones
- Functions of Skeleton
- Joints of the Body and their Types
- Muscle Contractions Move Bones at Joints
- Different Types of Movements in Animals
The Living Organisms And Their Surroundings
- Living Things Around Us
- Response to Stimuli Definition
- Respiration in Living Organisms
- Excretion – An Overview
- Reproduction in Living Organisms
- Living Things Have definite Life-Span
- Habitat Definition and Meaning
- Explore Plant and Animal Adaptations
- Some Terrestrial Habitats – Types, Habitat Plants and Habitat Animals
- Mountain Regions – An Overview
- What are Forests (Or Grasslands)?
- An Overview of Some Aquatic Habitat
Garbage In, Garbage Out
- Dealing with Garbage – Definition and Components
- Disposal of Garbage – Introduction
- Plastics – Boon or Curse?
Sexual Reproduction in Flowering Plants
- Flower, A Fascinating Organ
- Pollination
- Pre-fertilization: Structure and Functions
- Fertilization of Plants
- Post-fertilization Events and Development
- Significance of Seeds and Fruits Formation
Human Reproduction
- Reproductive System
- Male Reproductive System
- Female Reproductive System
- Gametogenesis Process in Human
- Menstrual Cycle & Oestrous Cycle
- Fertilization in Human
- Pregnancy and Placenta Formation
Reproductive Health
- Reproductive and Child Health Care Programme
- Sexually Transmitted Diseases (STDs)
- Contraception and Medical Termination of Pregnancy (MTP)
- Assisted Reproductive Technology (ART) Techniques
Heredity and Variation
- Heredity and Variation
- Test Cross Back Cross
- Mendel’s Law of Independent Assortment
- Elementary Idea on Polygenetic Inheritance
- Chromosome Theory of Inheritance
- Sex Determination in Human, Bird, and Honey Bee
- Linkage and Crossing Over
- Sex Linked Inheritance
- Mendelian Inheritance in Human
- Chromosomal Disorders in Human
Molecular Basis of Inheritance
- DNA as Genetic Material
- Structure of DNA and RNA: The Nucleic Acids
- Replication of DNA
- Structure and Transcription of RNA Synthesis
- Genetic Code
- Translation and Protein Synthesis
- Regulation of Transcription and Gene Expression
- Concept of Gene
- Concept of Alleles
Microbes in Human Welfare
- Microbes Used in Household Food Processing
- Industrial Food Processing
- Microorganisms in Sewage Treatment
- Microbes in Production of Biogas
- Biological Control Agents
- Biofertilizer
Biotechnology
- Biotechnology – Principles and Processes
- Genetic Engineering and Recombinant DNA Technology
- Techniques in Genetic Engineering
- Construction of Genomic DNA Library
- Application of Biotechnology in Different Fields
- Production of Biofuels
Ecology, Environment, and Population
- What is Ecology?
- Types of Environment
- Organism and Environment
- Environmental Factors
- Ecological Adaptation
- Population Ecology
Ecosystem
- What is an Ecosystem?
- Structure, Components, and Examples of an Ecosystem
- Different Types of Ecosystems
- Food Chain and Food Web
- Energy Flow in Ecosystem
- Nutrient Cycle
- Productivity and Decomposition
- Ecological Succession
Biodiversity
- What is Life?
- Concept of Biodiversity
- Biodiversity Pattern in Species
- Endangered Species Conservation
- Conservation of Biodiversity
- Biodiversity Hotspots
Environmental Issues
- Environmental Pollution
- Air Pollution
- Water Pollution
- Soil Pollution
- Noise Pollution
- Agrochemicals and their Effects on Soil, Water and Air
- Global Effects of Environmental Pollution
- Ozone Layer Depletion
- Forest Conservation and Management
Taxonomy and Systematics
Classification of Living Organisms
- Classification of Living Organisms
- Kingdom Monera