Immersive Reader in Microsoft Forms is easy to overlook as it's in a little menu that is easy to overlook. In the header of the Microsoft Form that you're viewing there is small "three dot" menu in the lower-right corner. Click on that menu to enable Immersive Reader.
Applications for Education
Immersive Reader in Microsoft Forms will read aloud questions and answer choices for students. After reading the questions and answer choices aloud Immersive Reader will prompt students to close Immersive Reader to input an answer. Students have to open and close Immersive Reader for each question on the form. Other than that minor annoyance, Immersive Reader makes Forms accessible to more students.
On the topic of accessibility, here's how to enable automatic captioning in PowerPoint.