GCSE · OCR 21st Century
Biology
Study any subtopic of GCSE Biology OCR Higher (J260) 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.
2.1 - Health & Disease2.2 - Communicable Disease & Pathogens2.3 - Viral Diseases2.4 - Bacterial, Protist & Fungal Diseases2.5 - Plant Diseases2.6 - The Immune System2.7 - Preventing the Spread of Disease2.8 - Vaccination2.9 - Culturing Microorganisms2.10 - Non-Communicable Disease2.11 - Cardiovascular Disease2.12 - Antibiotics & Painkillers2.13 - Developing New Medicines
3.1 - Enzymes3.2 - Photosynthesis3.3 - Rate of Photosynthesis3.4 - Diffusion3.5 - Osmosis3.6 - Active Transport3.7 - Transport in Plants3.8 - Transpiration3.9 - Biological Molecules3.10 - Digestive Enzymes3.11 - Food Tests3.12 - Ecosystems & Competition3.13 - Abiotic & Biotic Factors3.14 - Food Chains & Food Webs3.15 - Biomass Transfer & Pyramids3.16 - The Water Cycle3.17 - The Carbon Cycle3.18 - Eutrophication
5.1 - Surface Area to Volume Ratio5.2 - Exchange Surfaces5.3 - The Heart & Circulatory System5.4 - Blood Vessels5.5 - Blood5.6 - The Nervous System & Reflexes5.7 - The Endocrine System5.8 - Adrenaline & Thyroxine5.9 - Puberty & the Menstrual Cycle5.10 - Contraception5.11 - Fertility Treatment5.12 - Homeostasis5.13 - Thermoregulation5.14 - Regulating Blood Glucose5.15 - Diabetes5.16 - The Eye - Structure5.17 - The Eye - Accommodation
7.1 - Using a Light Microscope7.2 - Osmosis in Plant Tissue7.3 - Investigating Diffusion (Agar)7.4 - Effect of pH, Temperature & Concentration on Enzyme Activity7.5 - Rate of Aerobic Respiration7.6 - Anaerobic Respiration in Yeast7.7 - Breathing & the Effect of Exercise7.8 - Rate of Photosynthesis7.9 - Testing a Leaf for Photosynthesis7.10 - Investigating Transpiration (Potometer)7.11 - Plant Responses & Tropisms7.12 - Reaction Time7.13 - Field Sampling with Quadrats7.14 - Distribution Along a Transect