- What is the longest river in Gabon?
- A) OgoouƩ
- B) Ivindo
- C) NgouniƩ
- D) Mpassa Answer: A) OgoouƩ
- The OgoouƩ River flows into which body of water?
- A) Atlantic Ocean
- B) Mediterranean Sea
- C) Gulf of Guinea
- D) Lake Nyasa Answer: A) Atlantic Ocean
- Which river is known for its rapids and is popular for white-water rafting?
- A) Ivindo
- B) OgoouƩ
- C) NgouniƩ
- D) Mpassa Answer: A) Ivindo
- What is the primary tributary of the OgoouƩ River?
- A) Lolo
- B) NgouniƩ
- C) Ndjoungou
- D) Ivindo Answer: D) Ivindo
- The NgouniƩ River is primarily located in which region of Gabon?
- A) Estuaire
- B) Haut-OgoouƩ
- C) Moyen-OgoouƩ
- D) NgouniƩ Answer: D) NgouniƩ
- Which river flows through the national park of Ivindo?
- A) OgoouƩ
- B) Mpassa
- C) Ndjoungou
- D) Ivindo Answer: D) Ivindo
- The Mpassa River is a tributary of which river?
- A) OgoouƩ
- B) NgouniƩ
- C) Nyanga
- D) Ivindo Answer: A) OgoouƩ
- What is the estimated length of the OgoouƩ River?
- A) 800 km
- B) 900 km
- C) 1,200 km
- D) 1,400 km Answer: C) 1,200 km
- Which river is known for its rich biodiversity and wildlife?
- A) OgoouƩ
- B) Ivindo
- C) NgouniƩ
- D) Mpassa Answer: B) Ivindo
- The Nyanga River flows into which ocean?
- A) Atlantic Ocean
- B) Indian Ocean
- C) Pacific Ocean
- D) Arctic Ocean Answer: A) Atlantic Ocean
- Which river forms part of the border between Gabon and the Republic of the Congo?
- A) OgoouƩ
- B) Ivindo
- C) Nyanga
- D) Mpassa Answer: C) Nyanga
- What is a major economic activity associated with the OgoouƩ River?
- A) Agriculture
- B) Fishing
- C) Mining
- D) Timber production Answer: B) Fishing
- Which river is considered sacred by some local communities in Gabon?
- A) NgouniƩ
- B) OgoouƩ
- C) Ivindo
- D) Mpassa Answer: B) OgoouƩ
- The Ivindo River is a source of hydroelectric power for which area?
- A) Franceville
- B) Libreville
- C) Port-Gentil
- D) Owendo Answer: A) Franceville
- Which river is known for its unique ecosystem and conservation efforts?
- A) NgouniƩ
- B) Mpassa
- C) OgoouƩ
- D) Ivindo Answer: D) Ivindo
- What type of wildlife is commonly found in the OgoouƩ River basin?
- A) Marine mammals
- B) Large predators
- C) Freshwater fish
- D) Desert reptiles Answer: C) Freshwater fish
- The NgouniƩ River is known for which natural feature?
- A) Waterfalls
- B) Marshlands
- C) Caves
- D) Sand dunes Answer: A) Waterfalls
- Which river is crucial for the local transportation of goods?
- A) Ivindo
- B) OgoouƩ
- C) Mpassa
- D) Nyanga Answer: B) OgoouƩ
- Which river is less explored compared to the OgoouƩ and Ivindo?
- A) NgouniƩ
- B) Mpassa
- C) Nyanga
- D) Mbandja Answer: B) Mpassa
- What is the main use of the Ivindo River by the local communities?
- A) Agriculture
- B) Recreation
- C) Fishing and transportation
- D) Timber harvesting Answer: C) Fishing and transportation
- Which river is part of the largest watershed in Gabon?
- A) OgoouƩ
- B) Ivindo
- C) Nyanga
- D) Mpassa Answer: A) OgoouƩ
- The OgoouƩ River passes through which major city in Gabon?
- A) Libreville
- B) Port-Gentil
- C) Franceville
- D) Moanda Answer: A) Libreville
- Which river’s basin is important for both ecological and economic reasons in Gabon?
- A) Mpassa
- B) OgoouƩ
- C) Ivindo
- D) NgouniƩ Answer: B) OgoouƩ
- The local people often depend on the rivers for which resource?
- A) Drinking water
- B) Electricity
- C) Timber
- D) Minerals Answer: A) Drinking water
- What is a major challenge facing the rivers in Gabon?
- A) Deforestation
- B) Urbanization
- C) Pollution
- D) All of the above Answer: D) All of the above
- Which river has a significant cultural importance for indigenous communities?
- A) OgoouƩ
- B) Ivindo
- C) Nyanga
- D) Mpassa Answer: A) OgoouƩ
- The Mpassa River is primarily used for what purpose?
- A) Commercial shipping
- B) Agriculture
- C) Fishing
- D) Tourism Answer: C) Fishing
- Which river is known for its scenic beauty and biodiversity?
- A) OgoouƩ
- B) Ivindo
- C) NgouniƩ
- D) Mpassa Answer: B) Ivindo
- What type of climate affects the rivers of Gabon?
- A) Desert
- B) Tropical rainforest
- C) Temperate
- D) Arctic Answer: B) Tropical rainforest
- The economic activities along the rivers of Gabon primarily include:
- A) Tourism and agriculture
- B) Mining and oil extraction
- C) Fishing and transportation
- D) All of the above Answer: D) All of the above
| River Name | Length (approx.) | Source | Mouth | Significance |
| OgoouƩ | 1,200 km | Monts de Cristal | Atlantic Ocean | Longest river in Gabon; important for transportation and fishing. |
| Ivindo | 600 km | Ivindo River Basin | OgoouƩ | Known for its rapids; major hydroelectric power source. |
| NgouniƩ | 600 km | Gabonese Highlands | OgoouƩ | Important for local agriculture and fishing. |
| Mpassa | 300 km | Forested regions | OgoouƩ | Less explored; supports local fishing activities. |
| Nyanga | 400 km | Ndzongou Mountains | Atlantic Ocean | Forms part of the border with the Republic of the Congo. |
| Mvoungui | 100 km | Near Franceville | OgoouƩ | Known for its biodiversity and ecological importance. |
| NdzƩ | 200 km | OgoouƩ Basin | OgoouƩ | Important for local transportation and fishing. |
| Lolo | 150 km | Central Gabon | OgoouƩ | Significant for local communities and biodiversity. |