Polling is available for meetings and for webinars. For meetings you need to enable the feature on your Zoom account as indicated at Zoom article Polling for meetings, where how to create the poll itself is also explained.
Remember you have the choice between an anonymous or more detailed polling, specially if registration is enabled for the meeting.
After the meeting is over, you can get further details about it downloading it from CERN Zoom portal, go to
reports. You can find further details at Generating Meeting Reports for Registration and Polling