I think you could build the functionality with a simple Domain Model as pictured below.
This would give a user the ability to create a Poll, and Create the Associated Options, then you could create a microflow that generates a new PollResponse (Which is a generalisation of the Poll Entity), and this would give the user the ability to select one of the Poll Options via a reference selector.
Hi Matthew,
Thank you very much for your feedback. Wow, you're amazing for having to build your own configurable questionnaire/form function.
A simple poll, where you can ask a question, then have radio buttons, with other features to add videos etc
Something like this image
I just couldn't find any module like this in Mendix marketplace.