iGCSE Biology Complete notes with quickfire questions

These iGCSE Biology complete notes are a high-yield revision companion for students preparing for the Edexcel (9–1) Triple Award exam. This resource is designed to make study efficient and exam-focused, offering a fully color-coded layout:

• Red: Key definitions and exam phrases

• Blue: Real-world examples

• Purple: Diagram labels and biological equations

• Green: Exam tips for each sub-topic

• Pink: Required practicals with summaries and guidance

Each section includes quickfire questions after each topic to help reinforce learning and assess readiness.

Topics Included:

The Nature and Variety of Living Organisms

• Characteristics of living things: MRS GREN explained

• Classification and diversity across animals, plants, fungi, bacteria, protoctists, and viruses

The Structure and Function of Living Organisms

• Cell structure and function: Prokaryotic vs. eukaryotic

• Biological molecules: Carbohydrates, proteins, lipids, enzymes

• Movement across membranes: Diffusion, osmosis, active transport

• Nutrition in animals and plants, human digestion

• Aerobic and anaerobic respiration

• Gas exchange in plants and humans

• Transport systems: xylem, phloem, blood vessels, heart structure

• Excretion: Kidney, liver, and lungs

• Nervous and hormonal coordination, reflexes, eye and brain function

Reproduction and Inheritance

• Sexual and asexual reproduction

• The menstrual cycle, fertilization, and pregnancy

• Structure of DNA, genes, chromosomes, inheritance of traits

• Monohybrid crosses and punnett squares

Ecology and the Environment

• Sampling techniques, abiotic/biotic factors

• Food chains, pyramids of biomass and energy

• Carbon and nitrogen cycles

• Human impact: Pollution, deforestation, global warming

Biology Resources

• Large-scale food production: Greenhouses, fish farming, fermenters

• Selective breeding in agriculture

• Genetic engineering techniques and examples

• Cloning and its ethical implications

Quickfire Questions Section:

• Multiple choice

• Short structured responses

• Application-based scenario questions

Ideal for Edexcel iGCSE Biology (9–1) Triple Award students, this material is tailored for comprehensive revision and exam success. The notes are compiled in a visually rich, student-friendly format that supports both independent study and in-class use. Built with performance in mind, this guide ensures students meet the specification and perform confidently under exam conditions.