Welcome to Science Sauce’s comprehensive resource hub for Edexcel IGCSE Biology 9-1. The materials cover all essential topics, including the nature and variety of living organisms, cellular structures, biological molecules, human and plant nutrition, respiration, gas exchange, transport systems, excretion, coordination, reproduction, genetics, ecology, and biotechnology. Science Sauce provides free detailed chapter workbooks, informative videos, and exam-style questions designed to enhance your understanding and boost exam performance. Dive into the resources to master the IGCSE Biology curriculum and achieve academic success.
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Essential Revision Questions
10 essential IGCSE Biology revision questions to help boost your exam marks.
1: The Nature and Variety of Living Organisms
1a+b Characteristics of living organisms
2: Structure and Functions in Living Organisms
2a+b Cells and Levels of Organisation
2c Biological Molecules – Enzymes
2c Biological Molecules – Carbohydrates, Proteins and Lipids
2d Movement of Substances
2e Human Nutrition
2e Plant Nutrition
2f Respiration
2g Gas Exchange in Animals
2g Gas Exchange in Plants
2h Transport in Animals
2h Transport in Plants
Chapter workbook (working on it)
2i Excretion
2j Coordination and Response in Animals
2j Coordination and response in Plants
Chapter workbook (working on it)
3: Reproduction and Inheritance
3a Reproduction in Plants
3a Reproduction in Humans
3b Chromosomes, Genes and DNA
3b Genes and Inheritance
3b Cell Division
3b Natural Selection and Evolution
4: Ecology and the Environment
4c Cycles within Ecosystems
4d Human Influences on the Environment
5: Uses of Biological Organisms
5a Food Production – Farming
5a Food Production – Microorganisms
5b Selective Breeding
5c Genetic Modification
5d Micropropagation and Cloning
Chapter workbook (working on it)