How to Add, Delete, and Move Sections in Google Forms
If you’re working with a longer form, you can separate it into different sections. Each section will appear as a separate page when the form is filled out. You can even use sections to create branching forms, where someone can be sent to different sections based on how they answered an earlier question.
The section is added, and all of the questions in the form that come after it will appear on that section's page. You can add new questions to a section using the toolbar, or by dragging existing questions below the section header.