The use of forms in Sakai's delivered assessments are not structured properly. Labels are missing, fieldsets are not used. Relationships between form items are not represented non-visually.
Two accessibility audits of Sakai 2.9 identified these issues in Tests & Quizzes
• Radio buttons have a label for / id association. These should also be part of a fieldset with the question as a legend.
• Text input fields are missing the label for / id association.
The Mozilla Developer Network has an article on How to structure an HTML form at https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Forms/How_to_structure_an_HTML_form
Split into two issues for radio/checkbox input items and other form items.