The glottis is ?

the inferior margin of the soft palate.
part of the hard palate.
the opening to the larynx.
a flap of elastic cartilage .
the opening to the pharynx

the opening to the larynx.

The glottis is the opening to the larynx. It is not located in the soft palate, hard palate, or pharynx. It is a specific anatomical structure that consists of a flap of elastic cartilage.