One way to improve students’ participation in synchronous learning activities in a remote classroom can be to use the polling feature in Zoom. Using single and multiple choice questions, you can pre-assess student understanding and set key directions for the session at hand. Polls can be anonymous or identified by user.
Learn more about how to set up and launch polls in Zoom. You can also generate reports of the responses participants make to the polls. Avoid using these as attendance trackers, though they can certainly give an idea as to participation levels.