As far as I can tell, there's one exam with a pre-published set of questions and mark scheme. The pass mark on this is only 59.5%, and as far as I can tell there is no such thing as a distinction etc.
Mark scheme with questions integrated: http://www.ocr.org.uk/Data/publicati...g_Criteria.pdf
There's then another exam which is slightly harder, and is based on a case study, which you will get a copy of in the exam.
We have been given example questions by school that get no harder than:
- Describe the difference between a public limited company and a private limited company
- Describe how the directors posts were filled in the case study
- Explain one way in which your company tried to promote its products
Make sure you know what the following things are (look them up by going to google and typing in define:word e.g. define:accountable or use wikipedia
Public Limited Company and Private Limited Company
Public Sector and Private Sector
Why you need to monitor cash flow
As you can see, it's not really anything to be worried about - it's easier than a GCSE.