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Biology Topics – Free Biology Learning Platform – List of Basic Biology Topics & Concepts

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

  • Tissues Exhibit Division of Labour
  • Plant Tissues
  • Animal 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

  • Forests and Wildlife Overview
  • Importance of Water for All
  • Fossil Fuels – Coal and Petroleum

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

  • Wool and Production of Wool
  • Silk and Production of Silk

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

  • Variety in the Food
  • Plant Parts as Food
  • Animal Products as Food

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

  • Variety in Fabrics – All about Fabrics
  • Different Types of Fibres
  • Introduction to Making of Fabrics

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

  • Taxonomy and Systematics
  • Binomial Nomenclature

Classification of Living Organisms

  • Classification of Living Organisms
  • Kingdom Monera

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