Here is a list of roles still served by Elizabeth the Second, by the Grace of God, of the United Kingdom, Canada and Her other Realms and Territories, Queen, Head of the Commonwealth, Defender of the Faith (that is her full Canadian title if you want to get official). read more
Not only is Queen Elizabeth the Queen of the UK, she is Queen of the Commonwealth of Realms and Canada is part of the Commonwealth of Realms. Therefore, she is Queen of Canada. Just like the UK, Australia and New Zealand, Canada has a Prime Minister. A Prime Minister is head of government and the monarch is the head of state. read more