Several sub-surveys under the same link

I have a specific question about the program’s feature: I am about to create a survey that consists of 7 different sub-surveys (7 different forms that together make the whole survey). Is it possible to create one survey (under one link) but have, sort of, menu in the beginning from where the responder can choose which sub-survey/form to fill out? I would like to avoid, if possible, the necessity of having the whole survey in one Excel file but rather distinguish the different sub-surveys already at the beginning.

Welcome to the community, @jmodrzynska! Sorry to inform you that this feature is not available with KoBoToolbox.