Context: The prime minister is often, but not always, a member of parliament[clarification needed] and is expected with other ministers to ensure the passage of bills through the legislature. In some monarchies the monarch may also exercise executive powers (known as the royal prerogative) that are constitutionally vested in the crown and may be exercised without the approval of parliament.

Question: What is a central duty of the prime minister?
Answer: ensure the passage of bills

Question: What is it called when a monarch has a share of executive powers?
Answer: royal prerogative

Question: Using royal prerogative does not require the consent of which body?
Answer: parliament

Question: Who has no reponsibility for passing bills with the rest of the cabinet?
Answer: Unanswerable

Question: What is it called when the monarch has all the executive powers?
Answer: Unanswerable

Question: Who must consent to the use of royal perogative?
Answer: Unanswerable