Topic Details (Notes format)

Wastewater Story

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.

Practice Questions

What is the chemical formula of methane?

View Question

Which vitamin is essential for calcium absorption?

View Question

Which vitamin is responsible for blood clotting?

View Question

What is the chemical formula of water?

View Question

What is the unit of frequency?

View Question

Which gas is commonly used in balloons to make them float?

View Question

What type of energy is stored in a stretched rubber band?

View Question

What is the main component of the human skeleton?

View Question

Which law states that energy cannot be created or destroyed?

View Question

Which part of the plant conducts water?

View Question