"Does she want a banana?"
Translation:¿Ella quiere una banana?
Very useful comment! There's also the word "cambur".
It remained blurry in my head, about the uses of banana/banano/platano, the regions where it's used, and how to make the distinction between fruit/tree
In Spanish, for yes/no question, you don't need to make a subject/verb inversion. The most common way is to not make any inversion (an inversion, or changing the subject place, will change the emphasis) It's very simple to ask that kind of question in Spanish, you only put ¿....?
For questions with question words (Where? What?...), you can use a verb/subject inversion.