1. A basic fill style is selected in a PHIGS program with the function a) setInteriorStyle (fs) b) setStyle (fs) c) SetfillStyle (fs) d) setInteriorStyleIndex (fs) AnswerAnswer: a [Reason:] We can select the basic fill style by using setInteriorStyle (fs). 2. Which one is not a type of basic fill styles? a) Hollow b) solid…