You can edit questions immediately after creating an exam or at a later time. To edit questions at a later time, click the module access icon > Academics > Examination > Online Exam > View Online Exams to open the View Online Exams page. Select a batch, and then select the exam whose questions you want to edit.
To edit a question or option, click the pencil icon. Make the change, and then click the Update button. To remove a question or option, click the little red ‘x’.
For more information, view this: