Well-known conventions include: (a) The King/Queen exercises legal powers on the advice of the Cabinet headed by the Prime Minister. (b) The King/Queen appoints the leader of the majority party in the House of Commons as Prime Minister. (c) The King/Queen dissolves the lower House of Parliament on the advice of the Prime Minister. (d) The King/Queen gives assent to all Bills passed by Parliament. (e) The Cabinet is collectively responsible to the House of Commons.