EVS deals with almost everything that goes on around you. From the natural environment to people and society. NCERT Solutions Class 4 EVS Chapter- 20 Eating Together specifically deals with interactions during a social gathering such as a class party or a festival.
The students learn a lot about etiquettes that should be followed and behaviours to avoid in these situations. The main goal is to create awareness about culture and tradition of various people and to develop a sense of mutual respect for them. Furthermore, from an academic perspective, these questions are quite important for the exams and hold quite a significant chunk of marks.