NOTE: Deleted assessments are not copied from one site to another when importing content from another site.
Go to Tests & Quizzes.
Select the Tests & Quizzes tool from the site Tool Menu.
Select the check box for the assessment(s) to be restored.
A list of all removed (deleted) assessments in this site will appear.
TIP: If there are many deleted assessments to search through, use the Search bar to locate the assessment to be restored.