Now you know how to run chained quizes in your WordPress site. We have also talked about WPQuiz plugin which lets you create a quiz of one or more questions/answers and then display it on a post/page via shortcode. Still you can do much more, there are various other free quiz plugin in WordPress plugins repository which lets you run various other kinds of quizes from your website.
Watu
Creates exams with unlimited number of questions and answers. Assigns grade after the exam or quiz is taken.
SlickQuiz
SlickQuiz is a plugin for displaying and managing pretty, dynamic quizzes. It uses the SlickQuiz jQuery plugin.
mTouch Quiz
mTouch Quiz lets you add quizzes to your site. This plugin was designed with learning, touch friendliness and versatility in mind.
Wp-Pro-Quiz
A powerful and beautiful quiz plugin for WordPress.
Quiz Master Next
The easiest and most flexible way to add multiple quizzes, tests, and surveys to your website.