In the exam you will have to refer to case studies but it's a pain if you can't remember what they are called! Write the name of the case study that corresponds with the description. After you have completed the quiz look at the case studies you couldn't get and read about it in your text book or research it on the internet.
One of the answers is Eyjafjallajökull. I'm giving you this as there is no way you can spell it.
All case studies are in the Nelson Thornes AQA Geography GSCE book. (New edition)