Form labels - When a matching question is previewed or shown to a student the drop down select boxes do not have labels associated with them.
WCAG 2 1.1.1 (A) http://www.w3.org/WAI/WCAG20/quickref/#qr-text-equiv-all
- Login as teacher
- Navigate to a course
- Create a quiz
- Add a matching question to the quiz
- Preview the question
- View the source code for the combo boxes.