Biology

Assessment

Paper 1 Multiple Choice paper HL (20%): 40 marks 1h SL(20%): 30 marks 45 mins Paper 2 Data-based questions, short and extended questions HL(36%) 72 marks 2h 15m •Two out of three extended response questions to be attempted by candidates. SL(24%) 45 marks 1h 15 • 2 sections with questions based on experimental technique and optional units Paper 3 short answer questions and optional units HL(40%) 35 marks 1h 15m • One out of two extended response questions to be attempted by candidates. SL(20%) 35 marks 1h •2 sections with questions based on experimental technique and optional units