MODE OF ASSESSMENT The public assessment of Biology will consist of a public examination component and a school-based assessment component as outlined in the following table: Component Weighting Duration Public Examination Paper 1 Compulsory part of the curriculum 60% 2 hours 30 minutes Paper 2 Elective part of the curriculum 20% 1 hour School-based Assessment (SBA) 20% PUBLIC EXAMINATION Paper 1 comprises two sections: A and B. Section A consists of multiple-choice questions and carries 18% of the subject mark. Section B includes short questions, structured questions and an essay question, and it carries 42% of the subject mark. Candidates have to attempt all questions in Paper 1. Paper 2 consists of structured questions set on the four elective topics of the curriculum. Candidates are to attempt questions from any two of the four electives. Paper 2 carries 20% of the subject mark.