The quiz tool is used to create and administer online quizzes and surveys. You can also use quizzes to conduct exams and assessments.
A graded quiz is the most common quiz, and automatically a column will be created in the grade book for any graded quizzes you build. After a student takes a graded quiz, certain question types will be automatically graded.
A practice quiz can be used as a learning tool to help students see how well they understand the course material.
A graded survey allows the instructor to give students points for completing the survey, but does not allow the survey to be graded for right or wrong answers. Graded surveys have the option to be anonymous.
An ungraded survey allows you to get opinions or other information from your students, but they are not given a grade for answering. Ungraded surveys have the option to be anonymous.