I have these questions ,

i am BS (hons.) social sciences Graduate 16 year
GAT recent = above 80

please tell me what programs am i eligible for ? I wanted to study in Cambridge, new zealand and Australia , Do we have to apply for these universities separately ??

I n my application which i submitted , i selected the option of 16 Bachelors and only France and some Turkey , thailand universities were available . I wanted to apply for MS or Mphil level in Cambridge , but are they not available for us?

2ndly I wanted to ask that i have studied science , physics etc till now but my formal degree is in BS Social sciences, I have a dire urge to do Masters in any science subjects . Please guide me any career paths . ( Turkish universities allow any 16 year to pursue MS in computer ) Do Cambridge , France , or Australia , New zeal and have any case where a student like me can purse a degree in Masters degree ?

Please guide me what field and subjects should i choose or am i eligible to from A BS (hons) social science degree. What topic research proposal should i write , Development economics , Anthropology , Archaeology, Please suggest any particular science related program which i can apply in current universities, pertaining my current Qualification.