Water Resources Quiz

What is the Ogallala?

• A river in North America

• An underground aquifer supplying water to the Great Plains

• A mountain range in the western United States

• A large artificial reservoir in Africa

What problem is the Ogallala aquifer facing?

• Pollution from urban runoff

• Overuse leading to rapid depletion

• Rising water levels causing flooding

• Desalination of the water

Which farming practice contributes to the depletion of the Ogallala aquifer?

• Crop rotation

• Irrigation using underground water

• Organic farming

• Drip irrigation systems

What percentage of water on Earth is fresh water?

• 70%

• 50%

• 10%

• 3%

Which region experiences the highest water stress?

• South America

• Sub-Saharan Africa

• The Middle East and North Africa

• Northern Europe

What is water stress?

• A lack of rainfall

• An imbalance between water demand and availability

• Pollution of water sources

• Overuse of underground aquifers

Which of the following actions can reduce water stress?

• Building more factories

• Wasting less water at home

• Using only surface water for farming

• Reducing population growth

Which of these approaches helps tackle water stress?

• Recycling waste water

• Importing bottled water

• Increasing urban sprawl

• Relying on fossil fuels

Why is desalination becoming more common?

• It is cheaper than any other method of water supply

• It provides a solution to fresh water shortages in coastal areas

• It improves water storage in inland areas

• It reduces rainfall dependency

What is a sustainable method farmers use to save water in agriculture?

• Planting fewer crops

• Using hose pipes with small hole to drip water onto crops

• Relying only on rainfall

• Flooding fields