- What is the longest river in Uruguay? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio San Juan
Answer: A) Rio Uruguay - Which river forms part of the border between Uruguay and Argentina? A) Rio Negro
B) Rio de la Plata
C) Rio Yí
D) Rio San Juan
Answer: B) Rio de la Plata - The Rio Negro flows into which larger body of water? A) Atlantic Ocean
B) Rio Uruguay
C) Rio de la Plata
D) Lake Merín
Answer: C) Rio de la Plata - Which river is known for the city of Fray Bentos located along its banks? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio Tacuarembó
Answer: A) Rio Uruguay - What is the primary source of water for the city of Montevideo? A) Rio Negro
B) Rio de la Plata
C) Rio San José
D) Rio Yí
Answer: B) Rio de la Plata - Which river is significant for the production of hydroelectric power in Uruguay? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio Tacuarembó
Answer: B) Rio Negro - What is the main tributary of the Rio Uruguay? A) Rio Yí
B) Rio San Juan
C) Rio Negro
D) Rio Tacuarembó
Answer: C) Rio Negro - Which river flows through the town of Paysandú? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio San José
Answer: A) Rio Uruguay - The Rio San José is located in which part of Uruguay? A) Northern
B) Eastern
C) Western
D) Southern
Answer: D) Southern - Which river is known for its picturesque landscapes and recreational opportunities? A) Rio Negro
B) Rio Yí
C) Rio Uruguay
D) Rio San Juan
Answer: A) Rio Negro - Which river is a tributary of the Rio Negro? A) Rio Yí
B) Rio San José
C) Rio de la Plata
D) Rio Uruguay
Answer: A) Rio Yí - The Rio Tacuarembó is located in which region of Uruguay? A) Northern
B) Eastern
C) Southern
D) Western
Answer: A) Northern - What is the primary use of the Rio Yí? A) Agriculture
B) Hydro power
C) Recreation
D) All of the above
Answer: D) All of the above - Which river is famous for the historic town of Colonia del Sacramento? A) Rio de la Plata
B) Rio Uruguay
C) Rio Negro
D) Rio Yí
Answer: A) Rio de la Plata - The Rio Cuareim forms a part of the border between which two countries? A) Uruguay and Brazil
B) Uruguay and Argentina
C) Brazil and Argentina
D) Paraguay and Brazil
Answer: A) Uruguay and Brazil - Which river is known for its biodiversity and natural beauty? A) Rio Negro
B) Rio Uruguay
C) Rio Yí
D) Rio Tacuarembó
Answer: A) Rio Negro - The Rio Santa Lucía is primarily used for what purpose? A) Industrial
B) Agriculture
C) Hydropower
D) All of the above
Answer: B) Agriculture - What type of fish is commonly found in the Rio Uruguay? A) Salmon
B) Trout
C) Surubí
D) Catfish
Answer: C) Surubí - Which river is crucial for irrigation in Uruguay? A) Rio Negro
B) Rio Yí
C) Rio de la Plata
D) Rio Tacuarembó
Answer: A) Rio Negro - The Rio Yí is a tributary of which larger river? A) Rio de la Plata
B) Rio Uruguay
C) Rio Santa Lucía
D) Rio Negro
Answer: D) Rio Negro - What is the primary environmental concern for the rivers in Uruguay? A) Pollution
B) Overfishing
C) Deforestation
D) All of the above
Answer: A) Pollution - Which river is notable for its role in the history of Uruguay’s agriculture? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio Tacuarembó
Answer: B) Rio Negro - What type of ecosystem is supported by the Rio Negro? A) Desert
B) Forest
C) Wetland
D) Mountain
Answer: C) Wetland - Which river is known for hosting various water sports? A) Rio Uruguay
B) Rio Yí
C) Rio Negro
D) Rio de la Plata
Answer: D) Rio de la Plata - What is a key characteristic of the Rio de la Plata? A) It is the widest river in the world.
B) It is a mountain river.
C) It is primarily used for irrigation.
D) It flows through the Amazon rainforest.
Answer: A) It is the widest river in the world. - Which river is vital for the cultural heritage of Uruguay? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio Cuareim
Answer: D) Rio Cuareim - The Rio San Juan is located in which part of Uruguay? A) Northern
B) Central
C) Southern
D) Eastern
Answer: C) Southern - Which river supports the largest hydroelectric power plant in Uruguay? A) Rio Uruguay
B) Rio Negro
C) Rio Yí
D) Rio Santa Lucía
Answer: B) Rio Negro - What natural resource is commonly extracted from the Rio Uruguay? A) Minerals
B) Water
C) Oil
D) Natural gas
Answer: B) Water - Which river is often associated with the historic fight for Uruguayan independence? A) Rio Uruguay
B) Rio Negro
C) Rio de la Plata
D) Rio Yí
Answer: C) Rio de la Plata
| River Name | Length | Location | Significance |
| Rio Uruguay | ~1,838 km | Border with Argentina | Longest river in Uruguay; important for navigation and agriculture. |
| Rio de la Plata | ~290 km | Border with Argentina | Widest river in the world; vital for shipping and trade. |
| Rio Negro | ~500 km | Northern Uruguay | Significant for hydroelectric power; flows into the Rio de la Plata. |
| Rio Yí | ~200 km | Central Uruguay | Important tributary of the Rio Negro; used for agriculture. |
| Rio San José | ~120 km | Southern Uruguay | Supports local ecosystems; used for irrigation. |
| Rio Tacuarembó | ~250 km | Northern Uruguay | Flows through agricultural regions; important for local economies. |
| Rio Cuareim | ~230 km | Border with Brazil | Forms part of the boundary between Uruguay and Brazil. |
| Rio Santa Lucía | ~140 km | Central Uruguay | Major water source for Montevideo; important for irrigation. |
| Rio Cebollati | ~100 km | Southern Uruguay | Lesser-known river; contributes to local irrigation. |
| Rio Arapey | ~160 km | Northern Uruguay | Flows through scenic areas; important for recreation |