On the Seterra website, you can create custom quizzes that are subsets of the regular quizzes. It is completely free, no membership needed! Watch this video to find out how it works.
You can share the resulting quiz with your friends or students by just copying the link and emailing it to them! Or, give them the quiz ID (5 characters), and they can use the search function on the Seterra website to find the custom quiz.