Tick one or more highlighted topics, choose how many questions, then press Start quiz. Your score for each topic appears under it after you finish.
Questions you answer correctly are set aside, so you mostly see ones you have not mastered yet. Once you have all of a topic right, it resets.
Parts A–D are compulsory for every DSE Biology candidate; parts E–H are electives (you sit any two). Use the toggle to focus on just the parts you take.