There is a list of Hi Scoring optionals that almost any one can choose i.e. with any educational background. It's not necessary to have a related background.
See this list of few:
International Law (some other laws too)
Sociology, Psychology (related)
Journalism (easy, short and good scoring= seniors)
Persian (new for you but paper is too easy)
Any regional language (really scoring)
History (Islamic,US etc...not Indopak )
Geography
Visit the related threads for more info