Biology Library

Cell structure and organization

Start here: Structure of a Cell — Eukaryotic and Prokaryotic Cells

Chemical and Physical Basis of Life

Start here: Biological Macromolecules — Carbohydrates, Lipids, Proteins & Nucleic Acids

Mendel's experiments

Start here: Classical Genetics — Mendel’s Laws of Segregation and Independent Assortment

Non-Mendelian genetics

Start here: Classical Genetics — Incomplete Dominance, Codominance, Multiple Alleles & Sex Linkage

Evolution and gene frequencies

Start here: AP Biology — Population Genetics, Hardy-Weinberg Equilibrium & Evolution

Structure and function of genetic materials

Start here: DNA as Genetic Material — DNA Structure, Replication and Double Helix Model

Genes and gene expression

Start here: Molecular Genetics — Central Dogma, mRNA, tRNA and Protein Synthesis

Molecular basis of mutations

Start here: Molecular Genetics — Point Mutations, Frameshift Mutations and Chromosomal Aberrations

Gene technology tools and methods

Start here: AP Biology — Recombinant DNA Technology, PCR and Gel Electrophoresis

Applications of gene technology

Start here: AP Biology — Biotechnology in Medicine, Agriculture and Forensics

Diversity of organisms

Start here: Diversity of Life — Bacteria, Archaea and Eukarya Domains

Diversity of microorganisms

Start here: Bacteria and Archaea — Morphology, Cellular Anatomy and Nutrition Modes

Basic microbiology techniques

Start here: AP Biology — Aseptic Techniques, Bacterial Culture, Gram Staining & Inoculation

Resource acquisition and transport in plants

Start here: Photosynthesis and Translocation in Vascular Plants

Plant reproduction

Start here: Plant Life Cycles, Alternation of Generations and Angiosperm Reproduction

Plant responses to signals

Start here: Plant Hormones, Tropisms and Photoperiodism

Nervous coordination overview

Start here: Human Biology — Nervous System and Coordination Mechanisms

Human nervous system structure

Start here: Central and Peripheral Nervous System Anatomy & Physiology

Nerve impulse generation and transmission

Start here: Physiology — Nerve Impulse Transmission and Neurotransmitters

Nervous system disorders

Start here: Human Biology — Neurological Disorders, Stroke and Neurodegeneration

Sensory structures

Start here: Human Biology — Sensory Reception, Skin Receptors, Taste & Smell

Eye and ear structure and function

Start here: Physiology — Structure and Mechanism of Hearing, Balance and Sight

Immunity

Start here: Human Biology — Innate and Adaptive Immune System, Antibodies & Vaccines

Endocrine system

Start here: Human Biology — Major Endocrine Glands, Hormones and Feedback Loops

Homeostasis

Start here: Principles of Physiology — Homeostasis, Thermoregulation and Osmoregulation

Types of reproduction in animals

Start here: Human Biology — Asexual and Sexual Reproduction in Animals

Male reproductive system

Start here: Human Biology — Anatomy and Physiology of Male Reproductive System

Female reproductive system

Start here: Human Biology — Anatomy and Physiology of Female Reproductive System

Fertilization to birth

Start here: Human Biology — Fertilization, Cleavage, Implantation and Embryonic Development

Reproductive health

Start here: Human Biology — Reproductive Health, Contraceptive Methods & STI Prevention

Skeletal systems and movement

Start here: Principles of Physiology — Hydrostatic, Exoskeleton and Endoskeleton Systems

Axial skeleton

Start here: Human Biology — Human Axial Skeleton: Skull, Vertebral Column, Ribs & Sternum

Appendicular skeleton

Start here: Human Biology — Human Appendicular Skeleton: Pectoral & Pelvic Girdles and Limbs

Joints and muscle movement

Start here: Principles of Physiology — Synovial Joints and Sliding Filament Theory of Muscle Contraction

Ecosystem components

Start here: Ecology Overview — Biotic & Abiotic Components, Food Chains & Trophic Levels

Ecosystem processes

Start here: Ecology Overview — Energy Flow, Nutrient Cycling (Carbon & Nitrogen Cycles)

World biomes

Start here: Ecology Overview — Terrestrial and Aquatic Biomes of the World

Ecosystems of Sri Lanka

Start here: NIE Sri Lanka — syllabuses and teacher guides

Biodiversity and threats

Start here: Ecology Overview — Levels of Biodiversity, Habitat Loss and Deforestation

Global environmental problems

Start here: Ecology Overview — Global Warming, Ocean Acidification, Acid Rain & Ozone Depletion

Biodiversity and environmental conservation

Start here: Ecology Overview — In-situ and Ex-situ Conservation Strategies

Microorganisms as pathogens

Start here: Human Biology — Infectious Disease Pathogenesis, Virulence Factors & Transmission

Microbial control methods

Start here: Bacteria and Archaea — Physical and Chemical Methods of Microbial Control, Antibiotics

Use of microorganisms in industry and agriculture

Start here: Bacteria and Archaea — Industrial Fermentation, Bioremediation & Biofertilizers

Soil microorganisms and soil health

Start here: Ecology Overview — Soil Microbiome, Mycorrhizae, Rhizobia & Nitrogen Fixation

Microbiology in water and waste management

Start here: Ecology Overview — Water Quality Testing, Coliform Standards & Sewage Treatment

Recycling of solid wastes

Start here: Ecology Overview — Composting, Biogas Generation and Circular Waste Systems

Microbes and food spoilage

Start here: Bacteria and Archaea — Food Spoilage Microorganisms, Foodborne Pathogens & Toxins

Ornamental fish culture

Start here: e-thaksalawa — Ministry of Education e-learning

Horticultural practices

Start here: Photosynthesis in Plants — Plant Propagation, Grafting, Layering & Tissue Culture

Vector-borne diseases

Start here: Human Biology — Vector-Borne Diseases: Malaria, Dengue, Filaria & Vector Control

Food preservation and postharvest losses

Start here: e-thaksalawa — Ministry of Education e-learning

Emerging biotechnologies

Start here: AP Biology — CRISPR Gene Editing, Synthetic Biology, Nanobiotechnology & Bioinformatics