GCSE · AQA
Biology
Study any subtopic of GCSE Biology AQA Higher (8461) with videos, revision notes, quizzes, flashcards, exam questions and past papers. Everything is mapped straight to the specification so you only cover what you need to know.
1.1 - Cell Structure1.2 - Specialised Cells & Differentiation1.3 - Microscopy1.4 - Magnification & Units1.5 - Mitosis1.6 - Stem Cells1.7 - Stem Cells in Medicine1.8 - Binary Fission1.9 - Culturing Microorganisms1.10 - Diffusion1.11 - Osmosis1.12 - Active Transport1.13 - Surface Area to Volume Ratio1.14 - Exchange Surfaces
2.1 - Levels of Organisation2.2 - Biological Molecules2.3 - The Digestive System2.4 - Enzymes2.5 - Digestive Enzymes2.6 - Food Tests2.7 - Lungs & Gas Exchange2.8 - The Heart & Circulatory System2.9 - Blood Vessels2.10 - Blood2.11 - Cardiovascular Disease2.12 - Health & Disease2.13 - Non-Communicable Disease2.14 - Cancer2.15 - Leaf Structure2.16 - Transport in Plants2.17 - Transpiration
3.1 - Communicable Disease & Pathogens3.2 - Preventing the Spread of Disease3.3 - Viral Diseases3.4 - Bacterial, Protist & Fungal Diseases3.5 - The Immune System3.6 - Vaccination3.7 - Antibiotics & Painkillers3.8 - Developing New Medicines3.9 - Monoclonal Antibodies3.10 - Pregnancy Testing3.11 - Plant Diseases & Defences3.12 - Mineral Requirements
5.1 - Homeostasis5.2 - The Nervous System & Reflexes5.3 - The Brain5.4 - The Eye - Structure & Iris Reflex5.5 - The Eye - Accommodation & Defects5.6 - Thermoregulation5.7 - The Endocrine System5.8 - Regulating Blood Glucose5.9 - Diabetes5.10 - Kidneys - Excretion & Water Balance5.11 - Kidney Failure5.12 - Puberty & the Menstrual Cycle5.13 - Contraception5.14 - Fertility Treatment5.15 - Adrenaline & Thyroxine5.16 - Plant Hormones & Tropisms5.17 - Uses of Plant Hormones
6.1 - DNA, Chromosomes & the Genome6.2 - Structure of DNA6.3 - Protein Synthesis6.4 - Mutations6.5 - The Human Genome6.6 - Sexual & Asexual Reproduction6.7 - Meiosis6.8 - Advantages of Sexual & Asexual Reproduction6.9 - Sex Determination6.10 - Alleles & Phenotype6.11 - Genetic Diagrams6.12 - Family Pedigrees6.13 - Inherited Disorders & Screening6.14 - The Work of Mendel6.15 - Variation6.16 - Natural Selection & Evolution6.17 - Darwin & Wallace6.18 - Evidence for Evolution6.19 - Antibiotic Resistance6.20 - Fossils & Extinction6.21 - Selective Breeding6.22 - Genetic Engineering6.23 - Benefits & Risks of GM6.24 - Cloning Animals6.25 - Cloning Plants6.26 - Classification & Naming
7.1 - Ecosystems & Competition7.2 - Abiotic & Biotic Factors7.3 - Adaptations7.4 - Food Chains & Food Webs7.5 - The Water Cycle7.6 - The Carbon Cycle7.7 - Decay & Decomposition7.8 - Human Impact on Biodiversity7.9 - Land Use & Deforestation7.10 - Global Warming7.11 - Maintaining Biodiversity7.12 - Trophic Levels7.13 - Biomass Transfer & Pyramids7.14 - Food Security7.15 - Industrial Fermentation
8.1 - Using a Light Microscope8.2 - Osmosis in Plant Tissue8.3 - Food Tests8.4 - Effect of pH, Temperature & Concentration on Enzyme Activity8.5 - Culturing Microorganisms & Testing Antimicrobials8.6 - Rate of Photosynthesis8.7 - Plant Responses & Tropisms8.8 - Reaction Time8.9 - Field Sampling with Quadrats8.10 - Distribution Along a Transect8.11 - Effect of Temperature on the Rate of Decay