To import the assessments from other section, click the Manage button of your desired course and then click the Instructor Tools button of your desired section.
Click the Assessments tab and then click the Share and Import drop-down at the right side. Select the Import Assessment option.
The Import Assessment modal box will open. Select the Link or Copy assessment button as per the requirement. Now, provide the assessment key from other section in the Assessment key box and click the Get button. The assessment from other section will be imported to this section.