Biology

Assessment

Paper 1 Any content from topics 1– 4, including relevant practical skills 1 Biological molecules 2 Cells 3 Organisms exchange substances with their environment 4 Genetic information, variation and relationships between organisms written exam 2 hours 91 marks 35% of A-level 76 marks: a mixture of short and long answer questions 15 marks: extended response questions Paper 2 Any content from topics 5–8, including relevant practical skills 5 Energy transfers in and between organisms 6 Organisms respond to changes in their internal and external environments 7 Genetics, populations, evolution and ecosystems 8 The control of gene expression written exam 2 hours 91 marks 35% of A-level 76 marks: a mixture of short and long answer questions 15 marks: comprehension question Paper 3: Any content from topics 1–8, including relevant practical skills written exam 2 hours 78 marks 30% of A-level 38 marks: structured questions, including practical techniques 15 marks: critical analysis of given experimental data 25 marks: one essay from a choice of two titles