Rivers - Mostra Cultural 2024

Which of the following rivers was declared biologically dead in the 1950s but has since been revitalized?

• • Amazon River

• • iver Thames

• • Ganges River

• • Mississippi River

What is a common cause of a river becoming "biologically dead"?

• • Overfishing

• • Deforestation

• • Industrial pollution

• • Climate change

What was the main pollutant that caused the death of the River Thames?

• Plastic waste

• • Oil spills

• • Sewage

• • Agricultural runoff

The revitalization of which river is often seen as a successful example of environmental recovery?

• • Mekong River

• • Seine River

• • River Thames

• • Nile River

Which method was primarily used to clean and revitalize the River Thames?

• • Dredging the riverbed

• • Improving wastewater treatment

• • Reintroducing fish species

• • Planting trees along the riverbank

The Ganges River, known as a sacred river, has been severely polluted due to:

• • Industrial and agricultural waste

• • Rising sea levels

• • Invasive species

• • Earthquakes

What is a "revitalized" river?

• • A river that has become a major trade route

• • A river that has regained ecological health and biodiversity

• • A river that has dried up and then refilled with water

• • A river with historical significance

Which country has undertaken the "Namami Gange" project to clean its major river?

• • China

• • India

• • Brazil

• • Russia

What is the primary benefit of river revitalization?

• • Restoration of ecosystems and biodiversity

• • Restoration of ecosystems and biodiversity

• • Improvement in the appearance of the landscape

• • Better flood management

The Yangtze River is facing pollution issues due to which factor?

• • Overfishing

• • Deforestation

• • Industrial waste and plastic pollution

• • Sand mining