In addition to the flying Syllabus a number of microlight exams must be passed and these are:
Below you'll find some links that I found helpful while taking my microlight exams:
update 17 Jan 2017 -MyFlyPal now seems to be off line, if this is permanent i will remove this reference.
MyFlyPal.com Mock Exams for each subject. While you are visiting their site check out the lost student video VERY funny.
Please note: while revising for my Aircraft technical exam I have found some incorrect answers given on both of the above sites.