Note: New Quizzes have been found to have accessibility issues, and people are recommended to use Classic Quizzes instead. The following knowledgebase article has information on how to create an accessible quiz in Canvas: Canvas@Illinois, Creating Accessible Quizzes. 

The following Canvas Community page contains information on the differences between Classic Quizzes and New Quizzes, as well as how to migrate to New Quizzes: How do I migrate a Canvas quiz to New Quizzes?