Quizzin lets you create quizzes with any number of questions in it. Each question can have many answers – in which one should be marked as the correct answer.
You can add the quiz in a post by including the html comment [QUIZZIN 1] in the post. Here 1 is the ID of the quiz to be included.
Te puedes descargar este plugin para utilizarlo en tu instalación autoalojada de WordPress.