This workbook provides invaluable practice in answering exam-style questions ahead of the new, more challenging GCSEs. The first section is organized by topic for focused revision. The second section features a complete GCSE Biology exam practice paper. Exam-style questions throughout. Topic-by-topic practice for focused revision. Includes a complete GCSE Biology Higher Tier practice test paper. Can be used in conjunction with the new Letts GCSE Success Biology revision guide for thorough exam preparation.