Yes.
Bananas contain a lot of both sugar and fiber, as well as some protein. All of these things can cause gas problems if they are not digested properly. Particularly with high doses of fiber, there can be a large amount of air mixed in with the digestion process which causes the gas to happen. Adding more variety for your diet is a good way to make sure you’re digesting food better and avoiding this problem from too much banana consumption or from eating too many bananas that have been allowed to over ripen on top of being harvested long before they were ripe enough….