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This document contains the Mark Scheme for Edexcel A Level Biology A (Salters–Nuffield), Paper 1, from the June 2025 examination series. It has been produced in line with the Pearson Edexcel Biology A (Salters–Nuffield) specification and provides authoritative guidance on how marks are awarded for each question in the paper. The mark scheme reflects the assessment of Topics 1–5, including Lifestyle, Health and Risk, Genes and Health, Voice of the Genome, Biodiversity and Natural Resources...

This document contains the Question Paper only for Edexcel A Level Biology A (Salters–Nuffield), Paper 1, from the June 2025 examination series. Paper 1 primarily assesses Topic 1 (Lifestyle, Health and Risk), Topic 2 (Genes and Health), Topic 3 (Voice of the Genome), Topic 4 (Biodiversity and Natural Resources) and Topic 5 (On the Wild Side). The questions reflect the full range of assessment objectives (AO1, AO2 and AO3), including recall of biological knowledge, application of concepts to...