I did my GCSE French in 2018 and now I do A-Level French with people from all over and there's massive variation really.
The point of the general conversation (according to the exam boards) is that there are no set questions whatsoever. The exam boards provide plenty of example questions to teachers or whoever is conducting your exam but, in theory, you could be asked anything at all as long as it's on topic.
That being said, the majority of schools provide books of example questions for people to prepare because believe it or not most Year 11 students aren't native speakers who can respond fluently on every single topic ahaha and I think the exam boards turn a blind eye to that. If I were you I'd create a rough plan of what you'd say for each of the questions you've been given keeping in mind that what you'll be asked is likely to be something fairly similar but your teacher will almost certainly not just read from the book and go down the list because the point is that it's a conversation and you need to answer spontaneously to get higher grades anyway.