Water Conservation and Pollution Concepts

The video discusses water's properties, its essential role in life, and its various sources. It highlights the impact of water pollution and the importance of clean water. The video also covers the uses of water in homes, agriculture, and industries, and provides tips for water conservation.

What are the three physical states in which water exists?

• Solid, Liquid, Gas

• Liquid, Gas, Plasma

• Solid, Gas, Plasma

• Solid, Liquid, Plasma

What percentage of the human brain is made up of water?

• 75%

• 60%

• 95%

• 85%

What percentage of Earth's surface water is found in the oceans?

• 3%

• 50%

• 70%

• 97%

What is the most abundant salt found in ocean water?

• Sodium Chloride

• Potassium Chloride

• Calcium Sulfate

• Magnesium Chloride

What is the term for water that soaks into the ground?

• Surface Water

• Groundwater

• Rainwater

• Ocean Water

What is the term for the addition of harmful substances into water?

• Water Filtration

• Water Purification

• Water Pollution

• Water Conservation

Which of the following is NOT a source of water pollution?

• Solar Energy

• Human Wastes

• Industrial Wastes

• Chemical Runoff

What percentage of freshwater is used in agriculture in Pakistan?

• 88%

• 50%

• 70%

• 95%

Which of the following is a method to conserve water?

• Leave the tap running while brushing

• Wash dishes under running water

• Use a full load in the washing machine

• Water the lawn at noon

What is the primary use of water in industries?

• Irrigation

• Cooking

• Cooling

• Drinking