I used to try to have a short quiz in every lesson I delivered, typically between 10 and 14 questions. They were designed to reinforce the contents of a short presentation I would give at the start of the lesson. At the start of term I got groans when they found out they were going to have a quiz. After a few weeks there were groans and moans if I did not have a quiz.
So perhaps they regarded my Moodle quizzes as fun. Note that the quizzes were low stakes and quick. Sometimes a student would say "can I do it again to get a better mark, or is that cheating". I would say something like "you call it cheating, I'll call it learning, keep doing it till you get the best mark you can".
The most common use of the word quiz in the UK is to precede it with the word pub. Advertise a quiz and the pub attracts more custom. However if a pub advertises an exam.......