Subject: General Science
Book: NCERT Science Class 7
Proper disposal of wastewater prevents pollution.
- **Sewage Treatment**:
- Removing waste from water before releasing it.
- **Water Pollution Causes**:
- Industrial waste, sewage.
- **Prevention**:
- Proper drainage, water purification.
**Possible Exam Questions:**
1. How does wastewater treatment work?
2. What are the causes of water pollution?
3. How can we reduce sewage pollution?
4. Why is water purification necessary?
5. Discuss sustainable wastewater management.
Which part of the human eye is responsible for focusing light on the retina?
View QuestionWhat is the term for water changing from liquid to gas?
View QuestionWhich organ is responsible for detoxifying harmful substances in the human body?
View QuestionWhich metal is liquid at room temperature?
View QuestionWhat is the chemical name of table salt?
View QuestionWhich gas is known as "laughing gas"?
View QuestionWhat is the main function of the ozone layer?
View QuestionWhich part of the cell contains the genetic material?
View QuestionWhat is the term for an organism that can make its own food?
View QuestionWhat is the main purpose of stomata in plants?
View Question