Water is one of the most precious natural resources. However, when it gets polluted, it becomes wastewater. Class 7 Science Chapter 13 – “Wastewater Story” explains how wastewater is generated, its impact on the environment, and how it can be treated before being released. By solving MCQs regularly, students can strengthen their knowledge of wastewater management and environmental protection. This free test is a perfect tool for revision before exams.
Table of Contents
Key Topics of Chapter 13
Students will learn about:
- Wastewater: Sources and types
- Sewage and its harmful effects on health and environment
- Sewage Treatment Plants (STPs): Steps of wastewater treatment
- Sanitation and hygiene practices
- Role of safe disposal of sewage in preventing diseases
- Importance of clean water for a healthy society
Also Read- Class 7 All Chapter Free MCQ Test
Class 7 Science Ch 13 MCQ Online Test
The MCQs Online Test helps students revise this chapter in a quick and effective way. Benefits include:
- Clear understanding of sewage treatment and sanitation
- Quick recall of key terms and processes
- Confidence in solving exam questions
- Fun and interactive way of learning science concepts