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Edexcel International GCSE Biology practicals

The practicals you can be asked about in the exam. Each sheet has the method, variables, risk assessment and a results table to fill in, with example results and exam questions, and prints as a PDF. Experimental skills are tested in the written papers. There is no practical exam or coursework.

1Food testsStructure and functions in living organisms · Biological molecules and enzymes · spec 2.9 PDF8 pagesRevision noteOpen sheet
2Temperature and enzyme activityStructure and functions in living organisms · Biological molecules and enzymes · spec 2.12 PDF9 pagesRevision noteOpen sheet
3pH and enzyme activityStructure and functions in living organisms · Biological molecules and enzymes · spec 2.14B Biology onlyPDF9 pagesRevision noteOpen sheet
4Diffusion and osmosis in living and non-living systemsStructure and functions in living organisms · Movement of substances into and out of cells · spec 2.17 PDF10 pagesRevision noteOpen sheet
5Investigating photosynthesisStructure and functions in living organisms · Nutrition in flowering plants · spec 2.23 PDF9 pagesRevision noteOpen sheet
6Energy content of foodStructure and functions in living organisms · Human nutrition · spec 2.33B Biology onlyPDF9 pagesRevision noteOpen sheet
7Carbon dioxide and heat from respiring seedsStructure and functions in living organisms · Respiration · spec 2.39 PDF9 pagesRevision noteOpen sheet
8Light and net gas exchange in a leafStructure and functions in living organisms · Gas exchange in flowering plants · spec 2.45B Biology onlyPDF8 pagesRevision noteOpen sheet
9Breathing, carbon dioxide and exerciseStructure and functions in living organisms · Gas exchange in humans · spec 2.50 PDF10 pagesRevision noteOpen sheet
10Environmental factors and transpirationStructure and functions in living organisms · The need for transport and transport in plants · spec 2.58B Biology onlyPDF10 pagesRevision noteOpen sheet
11Conditions needed for seed germinationReproduction and inheritance · Sexual and asexual reproduction, and reproduction in plants · spec 3.5 PDF8 pagesRevision noteOpen sheet
12Population size in two areas using quadratsEcology and the environment · The organism in the environment · spec 4.2 PDF9 pagesRevision noteOpen sheet
13Distribution of organisms and biodiversity using quadratsEcology and the environment · The organism in the environment · spec 4.4B Biology onlyPDF9 pagesRevision noteOpen sheet
14Anaerobic respiration in yeastUse of biological resources · Food production: micro-organisms and fish farming · spec 5.6 PDF8 pagesRevision noteOpen sheet
·In the revision notesstarch, light, carbon dioxide and chlorophyllStructure and functions in living organisms · Nutrition in flowering plants · spec 2.23 Read