One of the big things my teachers were always going on about at school, when the exams came around was this – when it comes to getting decent marks make sure, make very, very sure that you read the question carefully. If you don’t read it, you might not answer it.
Unless you’re particularly lucky and the question just says “Write down everything you know about the topic†the chances are you’ll actually be best served by thinking about what the examiner/marker wants to know and – assuming you want to pass well – tell them what they want to know, in a sensible structure.
Think of presentations the same way. Your audience is your examiner and the title/subject of your presentation is the exam question. You’d not want to fail your exam, so why do so many want to fail their presentations by not reading the question and “just writing down anything they know†……