Taking a test or sitting in an examination requires knowledge as well as personal strength to face it. No matter how much you have studied to prepare for it, PRACTICE leads among all these efforts.
This page has a collection of PRACTICE MATERIAL for a variety of subjets, ranging from language learning, to applied and natural siences. There is great choice in the level and complexity of the topics. So, if you belong to a school, a university or a profession - it hardly matters.