Refer to the article Start a Q&A session in Google Slides to allow audiences to submit questions/responses during a presentation.
1. Under Audience Tools, find a question to display. Click Present.
2. The question will be displayed on the presentation slide.
3. To change the question, go to Audience Tools and select another question. Click Present.
4. To stop displaying the question, click Hide. The display will to return back to your original slide presentation.
