Question

Which of the following foods do not support bacterial growth raw carrots cooked rice onions or refried beans

Answer 1

I'd say onions because I've never seen or heard of onions having bacterial growth. Of course this is only my own opinion and thought so please feel free to correct me.

Answer 2

Onions. That's why they can be used to ward off "evil spirits" in the medieval times, which in this case is actually bacteria/