ssvadim

With <a href="http://www.100vadim.com/ssquiz/" rel="nofollow ugc">SSQuiz</a> you can make quizzes really fast. Add questions/quizzes, rearrange questions, edit answers, insert multimedia in questions – all of this can be done on single page within several seconds. Also one can edit welcome/finish/email templates using html if it’s needed. Quiz automatically determines what type of test user creates (choose-correct, fill-blank or question with several correct answers). Once quiz is over, user can walk through their answers and see correct answers.
Features include:
<ul>
<li>Easy and fast quiz creation</li>
<li>Multimedia in questions</li>
<li>Multiple types of questions</li>
<li>Timer</li>
<li>Email sending to user or teacher</li>
<li>Plugin API (See FAQ)</li>
<li>Localization ready (Currently added Russian and Persian translation)</li>
</ul>

SS Quiz

With this plugin administrator can easily and fast create complicated tests and user can't relax, answering this questions.

mideal

Question answer, ajax, bootstrap, gravatar avatar plugin with email notification. It looks like a chat. Add shortcode [mideal-faq-form] on your page to set the form question. Add shortcode [mideal-faq] on your page to implement the question list.

Question answer

Question-answer, ajax, bootstrap, gravatar avatar plugin with email notification and Google reCaptcha 2. It looks like a chat.

SS Quiz vs Question answer