Pearson Edexcel GCSE Combined Science Paper 1bh 2025

Download the official Pearson Edexcel GCSE (9–1) Combined Science Paper 1 Higher Tier question paper from the Summer 2025 examination series (1SC0/1BH). This authentic examiner-issued Higher Tier paper contains advanced GCSE Biology questions covering communicable and non-communicable diseases, osmosis, diffusion, evolution, classification systems, neurones, immunity, genetic inheritance, cystic fibrosis, Huntington’s disease, DNA extraction, and experimental investigations.

This Combined Science Higher Tier paper is ideal for students preparing for the 2026 GCSE Combined Science examinations, classroom mock exams, timed revision practice, intervention sessions, tutoring, homeschooling, and independent self-study using authentic Pearson Edexcel assessment materials.

The examination includes practical and analytical questions involving agar diffusion cubes, reaction-time investigations, neurone impulse speeds, bacterial magnification calculations, Punnett squares, pedigree diagrams, waist-to-hip ratio calculations, and DNA extraction from strawberries. Students are required to interpret graphs, evaluate biological evidence, perform calculations, explain inheritance patterns, and design scientific investigations throughout the paper.

The paper was sat on Tuesday 13 May 2025 during the afternoon session, lasted 1 hour 10 minutes, carried 60 marks, and required the use of a ruler and calculator.

This official Pearson Edexcel GCSE Combined Science Higher Tier paper is designed for Year 10 and Year 11 students preparing for Summer 2026 GCSE examinations, Higher Tier Combined Science learners aiming for strong GCSE grades, GCSE resit candidates, and independent learners studying the Pearson Edexcel Combined Science specification.

It is also highly valuable for science teachers, tutors, intervention coordinators, revision academies, homeschooling parents, and classroom assessors who require authentic Pearson Edexcel examination materials for mock assessments, classroom revision, homework tasks, and examiner-standard GCSE Science preparation.