OCR GCSE Combined Science A (Gateway): Biology
Exam Questions

Light Microscopes, Cell Structure, Electron Microscopes

DNA Structure, The Mechanism of Enzyme Action

Respiration is a Chemical Process, Aerobic & Anaerobic Respiration, Biological Molecules, Tests for Biological Molecules

Photosynthetic Organisms as Producers, The Effect of 3 Factors on Photosynthesis, Limiting Factors - Photosynthesis

Cellular Transport - Diffusion & Osmosis, Cellular Transport - Active Transport, Mitosis & the Cell Cycle, Cell Differentiation, Stem Cells in Animals & Plants, Embryonic & Adult Stem Cells in Animals

Surface Area: Volume Ratio & Transport, Transport Into & Out of Organisms, The Heart, Blood Vessels, Blood Composition, Transport of Water & Mineral Ions in Plants, Transpiration & Translocation, Xylem & Phloem, Affecting Water Uptake by a Plant

The Nervous System - Structure, Generating a Nervous Response, The Reflex Arc

Hormonal Control, Hormones in Human Reproduction, Four Hormones in the Menstrual Cycle, Contraception, Hormones to Treat Infertility

Constant Internal Environment, Insulin in Blood Sugar Control, Glucagon in Blood Sugar Control, Responses to Extremes

The Cycling of Materials, The Carbon Cycle, Levels of Organisation in an Ecosystem, Abiotic & Biotic Factors, Interdependence & Competition

The Genome & Genetics, Variation, Sexual Reproduction, Asexual Reproduction, Inheritance

Genetic Variation Within a Population, Evolution Through Natural Selection, Classification

The Distribution & Abundance of Organisms, Human Interactions Within Ecosystems, Maintaining Biodiversity

Selective Breeding of Food Products, Genetic Engineering, The Process of Genetic Engineering, Biotechnology & Human Population

Health & Disease: Disease Types, Communicable Diseases, White Blood Cells & Platelets, Non-Specific Defences, The Human Immune System, Vaccines Against Disease, Developing New Medicines, Non-Communicable Human Diseases, Stem Cells in Medicine, Gene Technology in Medicine

Practical - Using Light Microscopes to View Cells, Practical - DNA Extraction, Practical - Sampling Techniques - Quadrats, Practical - Investigating Enzymatic Reactions, Practical - Investigating Photosynthesis, Practical - Using a Potometer, Practical - Measurement of Stomatal Density, Practical - Aseptic Technique, Practical - Surface Area: Volume Ratio, Practical - Investigating Osmosis