Water Pollution

The video discusses water pollution, its causes, and effects on health and the economy. It covers types of pollution, including point and non-point sources, and the impact of household, industrial, and agricultural activities. Solutions like waste reduction, treatment plants, and regulations are proposed to mitigate pollution.

What is the primary cause of water pollution according to the video?

• Animal waste

• Weather changes

• Natural disasters

• Human activities

Which type of pollution is easily traceable to a single source?

• Sediment pollution

• Point source pollution

• Thermal pollution

• Non-point source pollution

What is the term used for the excessive growth of algae due to phosphates?

• Thermal pollution

• Eutrophication

• Algal bloom

• Sediment pollution

How does a change in water color affect aquatic life?

• Affects light penetration

• Improves water quality

• Enhances photosynthesis

• Increases oxygen levels

What is the main consequence of thermal pollution?

• Destruction of aquatic life

• Increased water flow

• Improved water clarity

• Higher oxygen content

What is sediment pollution primarily caused by?

• Oil spills

• Industrial waste

• Soil erosion

• Household waste

What process is triggered by nutrient buildup in lakes?

• Algal bloom

• Eutrophication

• Radioactive pollution

• Thermal pollution

What is the effect of fluoride in drinking water?

• Increases pH level

• Causes fluorosis

• Improves bone health

• Enhances taste

What is a recommended practice to reduce water pollution?

• Use more chemical fertilizers

• Increase industrial discharge

• Dispose of waste in water bodies

• Practice the three R's: reduce, recycle, reuse

What should be installed to treat sewage from homes?

• Suction devices

• Oil separators

• Sewage treatment plants

• Cooling ponds