Understanding Water Pollution

Water pollution is the contamination of water bodies by pollutants, resulting from human and natural activities. Common causes include dumping garbage, industrial waste, and agricultural runoff. Polluted water can lead to diseases and environmental damage. Solutions include educating the public, treating waste, and reducing harmful agricultural practices.

What is the term used for making water dirty by adding pollutants?

• Water purification

• Water pollution

• Water filtration

• Water conservation

Which of the following is a common human activity that causes water pollution?

• Planting trees

• Recycling waste

• Using solar panels

• Dumping garbage into water bodies

What type of waste from factories contributes to water pollution?

• Biodegradable waste

• Recyclable materials

• Toxic chemicals

• Organic waste

Which of the following diseases can be caused by drinking polluted water?

• Arthritis

• Cholera

• Diabetes

• Asthma

What is a potential health risk of consuming fish from polluted waters?

• Improved digestion

• Increased energy levels

• Lead and mercury poisoning

• Vitamin deficiency

What environmental change can result from the addition of waste to water?

• Stabilization of water temperature

• Increase in water temperature

• No change in water temperature

• Decrease in water temperature

What was the cause of the massive oil spill off the coast of Chennai in 2017?

• A volcanic eruption

• A cargo ship collision

• A factory explosion

• A natural disaster

What is one suggested method to reduce water pollution?

• Encouraging the use of more pesticides

• Educating people to stop dumping garbage in water bodies

• Promoting the use of plastic bags

• Increasing industrial waste

How should waste from industries be handled to prevent water pollution?

• Treated to remove harmful substances

• Stored in plastic containers

• Dumped directly into rivers

• Burned in open fields

What agricultural practice should be discouraged to reduce water pollution?

• Crop rotation

• Using harmful pesticides

• Drip irrigation

• Using organic fertilizers