Wat sub. do i choose for P.G so i could get better job options? i had done b.sc with bot. zoo nd chem. and i dont wanna continue wid these

My parents r sayng i shud go for subjects i choose in b.sc but i dont want to continue wid it initially i was thinking 2 go for research on some disease nd finding cure for it bt now i dont know? i'm totally confused wat shud i do nw i've decided to do a job but what r various options for that. help