student can comment on questions in the quiz after quiz is completed so that he can ask his doubts at that instant. as teachers answers his question that comments will be accessible to other students.
i have seen plugin like this. https://moodle.org/plugins/qbehaviour_studentquiz
but the question created can not be imported or exported in this plugin. can this be included in moodle core?. how can be implimented in moodle mobile.?
new feature request is created MDL-59180.