Edexcel IGCSE Science (Double Award) (Modular): Biology Unit 1 Exam Questions By Topic

Characteristics of Living Organisms

Levels of Organisation

Cell Structures, Animal & Plant Cells: Similarities & Differences

Structure of Biological Molecules, Practical: Food Tests, Role of Enzymes, Temperature & Enzyme Function, Practical: Investigating Temperature & Enzyme Activity, pH & Enzyme Function

Diffusion, Osmosis & Active Transport, Factors Affecting the Rate of Movement of Substances, Practical: Investigating Diffusion & Osmosis

The Process of Photosynthesis, Factors Affecting the Rate of Photosynthesis, Leaf: Structure & Adaptations, Plants & Mineral Ions, Practical: Investigating Photosynthesis, Balanced Diet, Human Alimentary Canal: Structure & Function, Peristalsis, Role of Digestive Enzymes, Bile, Small Intestine: Structure & Adaptations

Process of Respiration, Aerobic & Anaerobic Respiration, Practical: Investigating Respiration

Structure of the Breathing System, Role of the Intercostal Muscles & Diaphragm, Alveoli: Adaptations for Gas Exchange, Smoking & the Gas Exchange System, Practical: The Effect of Exercise on Breathing