Is Queen Elizabeth II still the "head of the church"? What control or powers can she exert over the Church?

She is titular head;most church business is run by bishops,arch-bishops,whom the Queen appoints.They can not resign without her approval.So she has a say on who is hired and who is fired. Here is what http://www.royal.gov.uk/output/page4708.asp says: "Archbishops and bishops are appointed by The Queen on the advice of the Prime Minister, who considers the names selected by a Church Commission. They take an oath of allegiance to The Queen on appointment and may not resign without Royal authority. The connection between Church and State is also symbolised by the fact that the 'Lords Spiritual' (consisting of the Archbishops of Canterbury and York and 24 diocesan bishops) sit in the House of Lords. Parish priests also take an oath of allegiance to The Queen. The General Synod (including the bishops, elected representatives from the clergy and the laity) is the supreme authority of the Church of England. The Queen opens the Synod after the elections in the dioceses every five years. Since 1919, the Synod (formerly called the Church Assembly) has had the power to pass Measures on any matter concerning the Church of England. Following acceptance of the Measures by both Houses of Parliament (which cannot amend them), they are submitted for Royal Assent and become law. The Preface to the 39 Articles of the Church of England describes the monarch as 'being by God's Ordinance, according to Our just Title, Defender of the Faith and ... Supreme Governor of the Church of England'. In addition to legislating for the Church by Measure, the General Synod has the power to legislate by Canon in its own domestic affairs such as worship and doctrine, but The Queen's assent is required for the promulgation of such Canons. Such assent is given on the Home Secretary's advice. In his or her coronation oath, the Sovereign promises to maintain the Church. The Sovereign must be in communion with the Church of England, that is, a full, confirmed member. "

I'm pretty sure she/the monarch of England is still the head of the Church of England. I think her powers are curbed by tradition and common sense, like her secular powers. They've never been officially taken away on paper, but if she really tried to exercise them (fire a bishop) then it would spark a crisis and the power would be taken away.

Originally (in the times of Henry VIII and Bess I), that meant he got his share of the tithes and Peter's Penny, plus he got to name bishops, who at the time had political power, so he could call people who'd not give him grief...this all changed in 1688 when they turned the king into a figurehead.

Hello, reading the history of the Magna Carta, 2. Content 2.1, rights still enforced today. this will give a insight to the power of Royalty.

"English" queen is a prisoner of fantasy

She is a figure head.