Do you have any physical problems that may limit your ability to perform this job?
The questions and answers in the miscellaneous section are rather short. It doesn't fit into a specific category, but they are possible interview questions. Most of the questions are more like small talk questions and they are used to get to know you in a personal way. It is important to find out the personality of a candidate as well as their abilities, so you will probably be asked some of the questions in the miscellaneous section.
If it is a construction job, then of course you have to be physically fit. But even an administrative job will require some physical abilities. For example, an administrative assistant working in a computer company will have to be able to lift a computer. Answering this question is pretty straight forward. You don't have to impress them with anything special.