Topic Details (Notes format)

Water: A Precious Resource

Subject: General Science

Book: NCERT Science Class 7

Water is essential for life and must be conserved.
- **Uses of Water**:
- Drinking, agriculture, industry.
- **Water Cycle**:
- Evaporation, condensation, precipitation.
- **Water Scarcity**:
- Overuse, pollution, climate change affect availability.

**Possible Exam Questions:**
1. Explain the steps of the water cycle.
2. Why is water conservation important?
3. How does groundwater depletion affect agriculture?
4. What are the causes of water scarcity?
5. Discuss methods to save water.

Practice Questions

Which organelle is known as the "powerhouse of the cell"?

View Question

What is the primary function of red blood cells (RBCs) in the human body?

View Question

Which process converts glucose into energy in the human body?

View Question

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

View Question

What type of bond is formed by sharing electrons between atoms?

View Question

What is the most abundant element in the universe?

View Question

Which organ is responsible for detoxifying harmful substances in the human body?

View Question

What is the most common state of matter in the universe?

View Question

Which element has the highest electrical conductivity?

View Question

What type of electromagnetic radiation has the longest wavelength?

View Question