After you create Question Banks in your account, you can delete, edit, and bookmark them as needed. Bookmarking a question bank allows users to quickly identify favorite or frequently used Question Banks.
In Global Navigation, click the Admin link , then click the name of the account .
Edit Question Bank
To change the name of the question bank, click the Edit icon .
To edit, add, or delete questions from the question bank, click the question bank name 
Bookmark Question Bank
Click the Bookmark icon. Question banks that are already bookmarked show a white x in the bookmark icon.
Delete Question Bank
Click the Delete icon.