This exam practice book for AS biology and human biology students contains detailed advice and tips on how to improve marks and overall grade. The authors are experienced examiners who have been involved in the development of the new AS and A2 biology and human biology exams. This volume includes: exam questions covering all core AS topics; students' answers with hints and tips; "Don't make these mistakes" sections; "Key points to remember" sections; "Questions to try" plus examiner's hints; "How to score full marks" sections; answers and guidance at the back; and coverage of synoptic questions.