This article has a list of free question banks and study material which can help medical students and doctors. All the question banks mentioned were brought to my attention by an anonymous contributor, for which I am very grateful.
1. Pass Medicine:
This is for students who are in their first three years of medical school. However, any medical student or doctor can benefit from this. The subscription is valid for 12 months.
Click here to visit the link.
2. USMLEstat:
This is basically for doctors who are preparing for USMLE. However, any medical student or doctor can benefit from this. The subscription is valid for 6 months.
You can click here to visit the link.
3. Study Material for PLAB:
This is a compilation of free study material (including question banks) which can be helpful for the preparation of PLAB 1. It was compiled by an anonymous contributor and shared on my blog.
You can click here to visit the link.