Edexcel GCSE Biology core practicals
The core practicals you can be asked about in the exam, each with its method, variables, safety points and expected results. Questions on practicals are worth at least 15% of the marks.
2the effect of pH on enzyme activityKey concepts in biology · Enzyme action and activity · spec 1.10 Read
3food testsKey concepts in biology · Biological catalysts, food tests and energy in food · spec 1.13B Triple onlyRead
5antiseptics, antibiotics and plant extractsHealth, disease and the development of medicines · Antibiotics, culturing microorganisms and new medicines · spec 5.18B Triple onlyRead
6light intensity and photosynthesisPlant structures and their functions · Photosynthesis and limiting factors · spec 6.5 Read