Edexcel GCSE Biology
Exam Questions By Topic

Eukaryotic Organisms, Eukaryotic Organisms: Animals & Plants, Prokaryotic Organisms, Specialised Cells, Microscopy, Practical: Microscopy, Using Units

The Action of Enzymes, Factors Affecting Enzymes, Practical: Enzymes & pH, Rate Calculations for Enzyme Activity, Enzymes as Biological Catalysts, Practical: Food Tests, Practical: Energy Content in Food

Diffusion, Osmosis, Active Transport

Mitosis, Uncontrolled Cell Division

Growth, The Importance of Cell Differentiation

Animal Stem Cells, Plant Stem Cells, Stem Cells In Medicine

The Brain, Scanning The Brain, The Human Nervous System, Synapses, Simple Reflex Arc, The Human Eye, Defects of the Eye

Types of Reproduction, The Role of Meiosis, DNA & the Genome, Protein Synthesis, Genetic Variants

Mendel's Work, Key Definitions, Predicting Genetic Inheritance, Inheritance of Sex, Codominance, Sex-linked Characteristics, Polygenic Inheritance, Variation, Mutations

The Work of Darwin & Wallace, Evolution by Natural Selection, Evidence of Evolution, The Pentadactyl Limb, The Three Domains

Selective Breeding, Tissue Cultures, Genetic Engineering, The Process of Genetic Engineering, Meeting Global Food Demands, Evaluating the Use of Genetic Engineering, The Human Genome Project

Health & Disease, Pathogens, Common Infections

Plant Defence Responses, Plant Diseases, Human Defence Responses, Immunity, Vaccination

Antibiotics, Investigating Microorganisms, Practical: Investigating the Effects of Antiseptics & Antibiotics, Discovery & Development of New Drugs, Monoclonal Antibodies, Lifestyle & Non-Communicable Disease, Cardiovascular Disease

Photosynthesis, Limiting Factors, Light & the Rate of Photosynthesis, Practical: Investigating Light & Photosynthesis

Root Hair Cells, Xylem & Phloem, Structure of the Leaf, Living in Extreme Conditions

Transport of Water & Mineral Ions, Factors Affecting the Rate of Water Uptake, Translocation

Plant Hormones & Growth, Using Plant Hormones Commercially

The Endocrine System, Adrenaline, Thyroxine, Hormones & the Menstrual Cycle, Contraception, Hormones & Assisted Reproductive Technology

Importance of Homeostasis, Thermoregulation, Vasoconstriction & Vasodilation, Osmoregulation, Forming Urine, ADH, Kidney Failure, Formation of Urea, Regulating Blood Glucose Concentration, Diabetes

The Need for Transport, Factors Affecting the Rate of Diffusion

Respiration, Practical: Investigating Respiration

Adaptations of the Alveoli

The Blood & Blood Vessels, The Circulatory System

Key Terms in Ecology, Abiotic & Biotic Factors, Interdependence, Parasitism & Mutualism, Biodiversity, Sampling Organisms

Trophic Levels & Food Chains, Food Webs, Food Pyramids, Transfer of Energy

The Water Cycle, The Carbon Cycle, The Nitrogen Cycle, Decomposition & Decay

Human Impact on Biodiversity, Assessing Pollution, Benefits of Maintaining Biodiversity

Food Security