PMQs is a weekly event usually held on Wednesdays during the parliamentary session. MPs and members of the opposition will put questions to the Prime minister in which he is required to give a response.
This is one of the most important forms of accountability within the political system despite being renown for its gladiatorial style and its tendency to be theatrical.
This article by Politics.co.uk helps to explain the process in more detail and is also a useful resource for a bunch of different information. Including a track of latest opinion polls allowing politics students to keep up to date with recent events.
Check it out below : Latest UK Opinion Polls - The Result Of A General Election Today (politics.co.uk)