How can I add / remove Question Separators?
Question Separators are used to separate questions and for better look > feel. When a Question is added to the Survey, Question Separators are added by default.
You can add / remove the separator by clicking on the check box for Separator option.
This will apply for all the questions in that survey.
You can remove the separators to group certain questions in the Survey for creating sections.
Can I remove / add separators for all the Questions at once?
Yes. You can remove the Question Separators all at once from Global Options.
Edit Survey >> Global Options
Tick the check box, left top, to select all questions and then click on Update Selected Questions button.
On the popup, under Separator section, check / uncheck the Separator option and click on Save Changes button.