NCERT Exemplar Class 7 Science Chapter 18 – Wastewater Story
The final chapter, Wastewater Story, emphasizes the importance of sanitation and proper wastewater management. Students learn about sewage, its treatment, and the functioning of sewage treatment plants. The harmful effects of untreated wastewater on health and the environment are highlighted, along with methods to improve sanitation in daily life. The NCERT Exemplar Solutions for Class 7 Science Chapter 18 include application-based and awareness questions, while the NCERT Solutions for Class 7 Science give simple, exam-oriented explanations. This chapter builds awareness about hygiene, public health, and environmental conservation, encouraging students to take responsibility for cleanliness in their surroundings.