Eutrophication

Land runoff is caused due to....

• Eutrophication

• chemical run off

• water pollution

• sewage

Eutrophication means...

• harmful chemicals

• toxic chemicals

• all chemicals

• chemicals from pesticides and insecticides that enter oceans

What is eutrophication?

• A process of nutrient enrichment in water bodies

• A type of soil erosion

• A method of water purification

• A form of air pollution

Which nutrient is primarily responsible for eutrophication?

• Nitrogen

• Carbon

• Oxygen

• Hydrogen

What is a common consequence of eutrophication in aquatic environments?

• Algal blooms

• Increased fish population

• Clearer water

• Decreased water temperature

Which human activity is a major contributor to eutrophication?

• Agricultural runoff

• Deforestation

• Urbanization

• Mining

How does eutrophication affect aquatic life?

• Depletes oxygen levels

• Increases biodiversity

• Improves water quality

• Enhances fish growth

What is the role of phosphorus in eutrophication?

• It accelerates the process

• It prevents eutrophication

• It has no effect

• It reduces nutrient levels

Which of the following is a method to control eutrophication?

• Reducing fertilizer use

• Increasing fish farming

• Building more dams

• Enhancing urban development

What is the term for the rapid increase of algae in water bodies due to eutrophication?

• Algal bloom

• Coral bleaching

• Water turbidity

• Sedimentation