Water Resources and Environmental Awareness

The video discusses the critical role of water as a natural resource, highlighting its necessity for all living beings and its scarcity due to limited fresh water availability. It explores various irrigation methods like canals, wells, and tanks, and the multi-purpose functions of dams, including hydroelectricity generation and flood prevention. The video also addresses the environmental and social issues caused by dam construction. Finally, it emphasizes the importance of water conservation and rainwater harvesting as effective strategies to manage water resources sustainably.

Why is water considered essential for life on Earth?

• It is necessary for all living beings to survive.

• It is used for transportation.

• It is a source of energy.

• It is used to build structures.

What percentage of Earth's water is suitable for human consumption?

• About 10%

• Less than 3%

• Less than 1%

• More than 50%

What is the main source of fresh water?

• Rain

• Oceans

• Rivers

• Lakes

Which method of irrigation involves channels dug in the ground?

• Tube wells

• Canals

• Tanks

• Ponds

What is one benefit of using tanks and ponds for irrigation?

• They provide a constant water supply.

• They help in water conservation.

• They increase the water table.

• They reduce soil erosion.

What is a key function of dams besides irrigation?

• Supporting wildlife

• Preventing soil erosion

• Generating hydroelectricity

• Providing drinking water

Which dam is the largest in India?

• The Farakka Barrage

• The Bhakra Nangal Dam

• The Sarda Sarova Dam

• The Damodar Valley Project

What is a major environmental concern associated with dam construction?

• Displacement of people

• Decreased agricultural productivity

• Increased water pollution

• Loss of biodiversity

What is rainwater harvesting?

• A method to increase rainfall

• A process of collecting and storing rainwater

• A technique to purify water

• A way to desalinate seawater

Why is it important to repair leaky taps and pipes?

• To prevent water pollution

• To conserve water

• To increase water pressure

• To improve water taste