Why you would like to work with this organisation?

This is another way of asking: Are you applying here because you are desperate, or are you interested in what we do and how we do it? You need to demonstrate that you have not only knowledge of the field in general, but of how this particular company does business. You need to do your homework. Showing that you have bothered learning something about the company, and that you have some idea what if anything makes this company different or competitive will go a long way to marking you as a stand-out applicant.