WP Quiz is a completely FREE quiz plugin that will let you create endlessly customizable and highly professional quizzes for your WordPress site.

Popup Surveys & Polls links your Wordpress website with your MARE.io account. Create survey questions, pop-up links, embedded surveys and pop-up email optin forms. Run polls, surveys, quizzes or ask for ratings on any page of your Wordpress website with MARE.io's free survey and poll widget.

Quizchecks: Intelligent online quizzes and tests with personalized results