If you search for [qr code] on Microsoft Bing Search you get a built in QR code generator tool. It is not a huge deal but it is something I had no idea Bing offered and it is something that Google ...

Enable this flag to turn on the QR code generator in Edge browser. QR code contains data for a locator, identifier, or tracker that points to a website or application.

Yes, you can generate a QR code for Microsoft Forms. Although there is an in-built option in Microsoft Forms, you can also use the Google Chrome browser to get the job done.