WJEC GCSE Science (Double Award): Biology Exam Questions By Topic

Animal & Plant Cells, Using Microscopes to Examine Cells, Organisation & Differentiation of Cells, The Process of Diffusion, The Process of Osmosis, The Process of Active Transport, Enzymes, Enzyme-controlled Reactions, Factors Affecting Enzyme Activity, Investigating Factors Affecting Enzyme Action

Aerobic Respiration, Anaerobic Respiration, Human Respiratory System, Breathing, The Bell Jar Model, Adaptations of the Alveolus, Comparing Inspired & Expired Air, The Effects of Smoking

The Need for Digestion, Food Tests, Enzymes in Digestion, The Human Digestive System, Peristalsis, Function of Bile, Absorption of Substances in the Small Intestine, The Products of Digestion, Diet & Energy Content of Food, Investigating the Energy Content of Foods

The Blood, The Human Heart, The Human Circulatory System, Capillary Networks, Cardiovascular Disease

Photosynthesis, Conditions Needed for Photosynthesis, Investigating Photosynthesis, Investigating the Rate of Photosynthesis

Food Chains & Food Webs, Energy Transfers, Pyramids of Numbers & Biomass, Human Impact on the Environment, Detecting Pollution, Heavy Metal Pollution, Water Pollution

Classification of Organisms, Morphological & Behavioural Adaptations, Interactions Between Population & Environment, Biodiversity, Sampling for Abundance and Distribution, Capture/recapture Techniques, Investigating Species Distribution & Abundance, Biological Control Agents

Chromosomes, Types of Cell Division, Uncontrolled Mitosis & Cancer, Stem Cells

DNA Structure, Role of the Triplet Code, Process of Genetic Profiling, Uses of Genetic Profiling, DNA Profiling, Genes, Alleles & Other Key Terms in Genetics, Single Gene Inheritance, Polygenic Inheritance, Sex Determination, Artificial Gene Transfer

Variation in Organisms, Types of Variation, Sexual Reproduction, Mutations, Natural Selection & Evolution, Evolution in Action, Understanding the Human Genome

Sense Organs, The Nervous System, Reflexes, Investigating Factors Affecting Reaction Time, Homeostasis, Hormones as Chemical Messengers, Maintaining Blood Glucose Levels, Diabetes, Temperature Regulation, Negative Feedback Mechanisms, Lifestyle Choices & Medical Conditions

Types of Micro-organisms, Pathogens, Mechanisms of Defence, Antigens, Do Vaccines Protect you from Disease?, How do Vaccines Work?, Memory Cells & Immune Response, Antibiotics & Disease, Preventing Medical Conditions, New Medicines