Chap 4: Sustainable management of water

What phenomenon is present in this picture?

• Drought

• Flash Flood

• River flood

What phenomenon is present in this picture?

• Drought

• Flash Flood

• River flood

What phenomenon is present in this picture?

• Drought

• Flash Flood

• River flood

Which of the following are ways in which people use water?

• Domestic, recreation and industrial purposes only

• Domestic, sanitation, energy production and industrial purpose

• Agriculture, construction, industrial and sanitation purpose

• Domestic, recreation, agriculture and industrial purposes

People use water for their daily cooking and cleaning needs. This is an example of using water for what purpose?

• Domestic

• Recreation

• Agriculture

• industry

Which of the following are recreational uses of water?

• Cleaning dishes

• Canoeing

• Cooling of machinery in factories

• Sport fishing

Which of the following are ways in which water is used for industrial purposes?

• Hydropower

• Irrigation
• Cooling of machinery

• Cleaning agent in wafer fabrication

Globally, the majority of our water resources are used for agricultural purposes. True or False?

• True

• False

Which of the following can result in water pollution?

• Throwing rubbish into drains

• Factories releasing toxic chemicals into water bodies

• Excessive use of fertilisers and pesticides which gets washed into rivers by rain

• Toxic chemical spills

Which of the following are impacts of dumping wastewater into water bodies

• Aquatic life might die from consuming toxic chemicals

• The amount of clean water available for use is reduced

• Excess fertilisers from that gets washed into rivers provide nutrients for algae to grow rapidly.

  As a result less oxygen remains in the water, causing other aquatic animals to die

• Improvements in water quality as the chemicals help remove dirt and other pollutants in the water body