Long Answer
A long answer question allows the learner to enter free text as an answer. The Quiz attempt will not be considered as completed until graded by an administrator. A rubric can be added to the question, for administrators to review when grading the response.
To add a long answer question to a Quiz:
Type the question text into the Question box.
Type the rubric (or "correct answer") for grading the response.
Optional: Set a Question Category.
Click "Save."
The question is now in your Quiz.