I did chem for a few weeks and didn't really enjoy it. Then again, we did very little for that time, some stuff about mining and definitions of the basics. I probably would have liked the equations and stuff.
But I like bio because I can constantly relate it to life. I would argue that bio requires a lot less memorisation than some people are making out. For me, it's a lot of common sense. You need to do a bit of reading the text book to understand concepts but I do extremely little, if not no, rote learning. An old teacher I know and my auntie say that Bio seperates the true smarties from the herds that rote learn. (but I probably like to quote this because I am good at bio so I am biased). Understanding, rather than memorisation is essential in bio. One girl in my class studies more than anyone else but got 27% in the last test.
But I do think that the science preferences, are just that - personal preferences.