Anonymous Q&A on Zoom
Have participants change their name to "Somebody" in Zoom. After, invite them to share an anonymous question in the chat. Read the question you'd like to answer out loud, answer it, and repeat.
Anonymous Q&A on Zoom using Google Forms
Provide a Google Form through which participants submit anonymous questions. Read a submitted question out loud, answer it, and repeat. If desired, have the form linked to a Google spreadsheet for easy sorting and tracking.