www.scrubbingup.com has got MCQs, EMQs, SAQs and best of 5 questions! Questoins are added daily, the archive is small currently - but growing and will grow rapidly. It is entirely free, and if med students have questions they want to contribute, thats better for the bank!
It is entirely free, it does not contain dodgy links, and theres other cool stuff there also. Let me know what you think!