How to Remove a Standard Aligned to a Quiz
Click on Quizzes, then click My Quizzes
Click on the quiz with the aligned standard you want to remove; doing so will cause a horizontal bar of related management options to appear below the quiz title.
From the horizontal bar, click on Edit.
Click Delete to the right of the aligned standard you want to remove.Note: The ability to remove standards aligned to a quiz is also available from the Create Quiz section.