Question Separators are used to separate questions and for better look and feel. When a Question is added to the Survey Question Separators are added by default. After each question there is a Separator link and the separator can be removed or added back using the same link.

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You can remove the separators to group certain questions in the Survey of for creating sections.

Yes. You can remove the Question Separators all at once under: Edit Survey >> Global Settings >> Global Preferences

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