- What is the longest river in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Cacine River
- D) Corubal River
Answer: A) Geba River
- Which river is the main tributary of the Geba River?
- A) Cacheu River
- B) Corubal River
- C) Cacine River
- D) Cumbijã River
Answer: B) Corubal River
- The Cacheu River flows into which body of water?
- A) Atlantic Ocean
- B) Indian Ocean
- C) Mediterranean Sea
- D) Bay of Biscay
Answer: A) Atlantic Ocean
- Which river is known for its rich biodiversity in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Cacine River
- D) Corubal River
Answer: B) Cacheu River
- The Cacine River is primarily located in which region of Guinea-Bissau?
- A) Biombo
- B) Quinara
- C) Oio
- D) Cacheu
Answer: B) Quinara
- What is the main economic activity along the rivers of Guinea-Bissau?
- A) Agriculture
- B) Fishing
- C) Mining
- D) Tourism
Answer: B) Fishing
- The Corubal River is a significant tributary of which river?
- A) Cacheu River
- B) Cacine River
- C) Geba River
- D) Bafatá River
Answer: C) Geba River
- Which river forms part of the border between Guinea-Bissau and Senegal?
- A) Cacheu River
- B) Corubal River
- C) Geba River
- D) Cacine River
Answer: A) Cacheu River
- The Geba River is important for which aspect of the economy?
- A) Transportation
- B) Hydroelectric power
- C) Irrigation
- D) All of the above
Answer: D) All of the above
- What is a major environmental concern for the rivers in Guinea-Bissau?
- A) Deforestation
- B) Pollution
- C) Overfishing
- D) All of the above
Answer: D) All of the above
- Which river is known for its seasonal flooding?
- A) Cacheu River
- B) Geba River
- C) Cacine River
- D) Corubal River
Answer: B) Geba River
- What type of ecosystem is commonly found along the banks of rivers in Guinea-Bissau?
- A) Desert
- B) Tropical rainforest
- C) Mangroves
- D) Savanna
Answer: C) Mangroves
- Which river is important for local irrigation systems?
- A) Cacine River
- B) Cacheu River
- C) Corubal River
- D) All of the above
Answer: D) All of the above
- The Cacine River is primarily used for what purpose?
- A) Hydroelectric power generation
- B) Agriculture
- C) Fishing
- D) Transportation
Answer: C) Fishing
- Which river is associated with the Bijagós Archipelago?
- A) Geba River
- B) Cacheu River
- C) Corubal River
- D) Cacine River
Answer: A) Geba River
- The Corubal River is crucial for which local communities?
- A) Farming communities
- B) Fishing communities
- C) Urban areas
- D) All of the above
Answer: D) All of the above
- Which river has a significant impact on the local fish populations?
- A) Cacheu River
- B) Cacine River
- C) Geba River
- D) All of the above
Answer: D) All of the above
- Which river is navigable for small boats in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Corubal River
- D) All of the above
Answer: D) All of the above
- What is the primary fish species found in the rivers of Guinea-Bissau?
- A) Tilapia
- B) Catfish
- C) Sardines
- D) Trout
Answer: A) Tilapia
- Which river is heavily impacted by agricultural runoff?
- A) Cacine River
- B) Cacheu River
- C) Corubal River
- D) Geba River
Answer: B) Cacheu River
- What is a significant challenge faced by rivers in Guinea-Bissau?
- A) Climate change
- B) Overdevelopment
- C) Invasive species
- D) All of the above
Answer: D) All of the above
- The Cacheu River is known for its historical significance related to which activity?
- A) Mining
- B) Trade
- C) Fishing
- D) Agriculture
Answer: B) Trade
- Which river is the main source of freshwater for communities in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Cacine River
- D) Corubal River
Answer: A) Geba River
- Which river is crucial for maintaining the ecological balance in its region?
- A) Cacine River
- B) Corubal River
- C) Cacheu River
- D) All of the above
Answer: D) All of the above
- What is the length of the Geba River?
- A) 300 km
- B) 450 km
- C) 600 km
- D) 700 km
Answer: C) 600 km
- Which river is often used for cultural festivals in Guinea-Bissau?
- A) Cacheu River
- B) Cacine River
- C) Corubal River
- D) Geba River
Answer: D) Geba River
- Which river has several dams built for irrigation?
- A) Cacheu River
- B) Cacine River
- C) Corubal River
- D) Geba River
Answer: D) Geba River
- The Cacine River is important for which aspect of local communities?
- A) Fishing
- B) Transportation
- C) Agriculture
- D) All of the above
Answer: D) All of the above
- Which of the following rivers is not a major river in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Senegal River
- D) Cacine River
Answer: C) Senegal River
- Which river is essential for both local livelihoods and the environment in Guinea-Bissau?
- A) Geba River
- B) Cacheu River
- C) Cacine River
- D) All of the above
Answer: D) All of the above
| River Name | Length (approx.) | Source | Mouth | Significance |
| Geba River | 600 km | Fouta Djalon Mountains | Atlantic Ocean | Major river; important for transportation and fishing. |
| Cacheu River | 250 km | Cacheu Region | Atlantic Ocean | Significant for biodiversity and local agriculture. |
| Corubal River | 160 km | Fouta Djalon Mountains | Geba River | Key tributary; important for irrigation and fishing. |
| Cacine River | 100 km | Quinara Region | Atlantic Ocean | Known for its rich fish population; vital for local diets. |
| Bafatá River | 90 km | Bafatá Region | Geba River | Important for local communities; supports fishing. |
| Cumbijã River | 70 km | Oio Region | Cacheu River | Lesser-known river; used for local transport and irrigation. |
| Pere River | 50 km | Upper Guinea | Corubal River | Smaller river; important for local agriculture. |
| Mansoa River | 80 km | Mansoa Region | Geba River | Supports local communities and agriculture. |