If you want to create a Quiz:
- Click the Gear icon (upper right) and choose Turn Editing On
- Click Add an Activity or Resource.
- Choose Quiz and click Add.
- Give the quiz a name, description, due date, and grade information.
- Add questions to your quiz.
- Then click Save and Display.
For more information about the Quiz activity, you can read Moodle's Support documentation https://docs.moodle.org/35/en/Quiz_quick_guide