1. © International Baccalaureate Organization 2007 Assessment Model – biology, chemistry and physics SL Paper Syllabus Content % Objective Weighting Time/ h Format and Details 1+23 1Core20 ¾30 multiple-choice questions 2Core3216 1¼ Section A: one data-based question and several short answer questions (all compulsory) Section B: one extended response from three 3Options2412 1 Several short answer questions in each of the two options studied (all compulsory) Internal Assessment : 24% - also addresses Objective 4, personal skills in group 4 project Objective 5, manipulative skills in practical work

2. © International Baccalaureate Organization 2007 May 2008 Biology SL (TZ2) Grade Boundaries Page 2 Component Grade Boundaries Grade1234567 SLP10-78-1011-1415-1718-2122-2425-30 SLP20-78-1516-2122-2728-3435-4041-50 SLP30-56-1112-1516-2021-2526-3031-36 IA0-910-1516-2122-2728-3132-3738-48 Overall Grade Boundaries Grade1234567 Mark range 0-1718-3132-4344-5556-6869-8081-100

3. © International Baccalaureate Organization 2007 Page 3 Overall Grade - Biology SL (TZ2) 2008 Component % weighting Unscaled Mark Scaled Mark Paper 12022/30 615 Paper 23228/50 518 Paper 32416/36 411 IA2430/48 515 59 Overall grade 5

4. © International Baccalaureate Organization 2007 We need examiners  To apply  Go to www.ibo.orgwww.ibo.org  CLICK Information for examiners  CLICK Examining positions on RHS links  CLICK Assistant examiners - for application form etc Page 4