Moodle Tools for Learning
The Quiz Tool
How to use Quiz for Assessment FOR & OF Learning
The Quiz activity module allows the teacher to design and set quizzes consisting of a large variety of Question types, including multiple choice, true-false, and short answer questions.
These questions are kept in the Question bank and can be re-used in multiple quizzes.
Quizzes can be configured to allow multiple attempts. Each attempt is automatically marked, and the teacher can choose whether to give feedback and/or show the correct answers. from moodle.org