- What is the longest river in Laos?
- A) Nam Ou
- B) Mekong River
- C) Nam Ngum
- D) Nam Theun
- Which river serves as a natural border between Laos and Thailand?
- A) Nam Ou
- B) Mekong River
- C) Nam Ngum
- D) Mun River
- The Nam Ou River is a tributary of which river?
- A) Mekong River
- B) Mekong River
- C) Nam Ngum
- D) Nam Theun
- Which river is known for its stunning waterfalls and scenic views in Laos?
- A) Nam Ngum
- B) Khone Phapheng
- C) Nam Theun
- D) Mekong River
- What is the primary use of the Mekong River for the people of Laos?
- A) Transportation
- B) Fishing and agriculture
- C) Industrial use
- D) Mining
- Which river is the largest hydroelectric power source in Laos?
- A) Mekong River
- B) Nam Theun
- C) Nam Ngum
- D) Nam Ou
- What is a major environmental concern for rivers in Laos?
- A) Overfishing
- B) Damming and deforestation
- C) Pollution
- D) Climate change
- Which river flows through the capital city, Vientiane?
- A) Mekong River
- B) Nam Ngum
- C) Nam Ou
- D) Nam Theun
- Which river is famous for its biodiversity, including rare fish species?
- A) Nam Ou
- B) Mekong River
- C) Nam Ngum
- D) Mun River
- What is the significance of the Nam Theun River?
- A) Transportation route
- B) Hydroelectric power generation
- C) Fishing area
- D) Tourist attraction
- The Nam Ngum Dam is located on which river?
- A) Mekong River
- B) Nam Ngum
- C) Nam Theun
- D) Nam Ou
- Which river is known for its steep gorges and rugged terrain?
- A) Mekong River
- B) Nam Ou
- C) Nam Ngum
- D) Mun River
- What is a traditional method of fishing used along the Mekong River?
- A) Trap fishing
- B) Net fishing
- C) Spearfishing
- D) Commercial fishing
- Which river is significant for transportation and trade in Laos?
- A) Nam Ou
- B) Mekong River
- C) Nam Ngum
- D) Nam Theun
- What is the ecological status of the Mekong River?
- A) Stable
- B) Threatened
- C) Expanding
- D) Protected
- Which river is characterized by its winding path and numerous tributaries?
- A) Mekong River
- B) Nam Ngum
- C) Nam Ou
- D) Mun River
- Which river flows through the Bolaven Plateau, known for its coffee plantations?
- A) Mekong River
- B) Nam Theun
- C) Nam Ou
- D) Nam Ngum
- What type of ecosystem is typically found along the banks of the Mekong River?
- A) Desert
- B) Riparian
- C) Mountain
- D) Urban
- Which river has a famous fishing village called Don Det?
- A) Mekong River
- B) Mekong River
- C) Nam Ou
- D) Nam Ngum
- What is the average flow rate of the Mekong River?
- A) 10,000 m³/s
- B) 16,000 m³/s
- C) 5,000 m³/s
- D) 20,000 m³/s
- The Nam Ou River is often referred to as the “river of what”?
- A) Clouds
- B) Rocks
- C) Fish
- D) Waterfalls
- What is a common challenge for the rivers in Laos due to climate change?
- A) Increased rainfall
- B) Drought and altered flow patterns
- C) Flooding
- D) Pollution
- Which river is considered sacred by many local communities?
- A) Nam Ngum
- B) Mekong River
- C) Nam Theun
- D) Nam Ou
- What type of fishing is prevalent in the Mekong River?
- A) Commercial fishing
- B) Subsistence fishing
- C) Aquaculture
- D) Recreational fishing
- Which river basin is crucial for agricultural irrigation in Laos?
- A) Mekong River Basin
- B) Nam Ngum Basin
- C) Nam Ou Basin
- D) Mun River Basin
- What is the impact of damming on the Mekong River ecosystem?
- A) Disruption of fish migration
- B) Increased fish populations
- C) Improved water quality
- D) Enhanced biodiversity
- Which river is known for its scenic beauty and tourist activities?
- A) Nam Ou
- B) Nam Ngum
- C) Mekong River
- D) Nam Theun
- What traditional practice is associated with the Mekong River?
- A) Festival of Lights
- B) Harvest Festival
- C) Water Festival
- D) Dragon Boat Racing
- What is the main source of livelihood for communities along the Mekong River?
- A) Mining
- B) Fishing and agriculture
- C) Tourism
- D) Manufacturing
- Which river is vital for the ecology and economy of Laos?
- A) Mekong River
- B) Nam Ngum
- C) Nam Ou
- D) Nam Theun
| River Name | Length (km) | Source | Mouth | Significance |
| Mekong River | 4,350 | Tibetan Plateau | South China Sea | Major river, essential for transportation, agriculture, and fishing |
| Nam Ou | 450 | Luang Prabang Province | Mekong River | Important for local communities, known for scenic beauty |
| Nam Ngum | 210 | Nam Ngum Dam | Mekong River | Major hydroelectric power source, vital for irrigation |
| Nam Theun | 130 | Annamite Range | Mekong River | Significant for hydroelectricity and biodiversity |
| Nam Khan | 120 | Luang Prabang Province | Mekong River | Known for its cultural significance and tourism |
| Mun River | 400 | Eastern Thailand | Mekong River | Important for agriculture and local livelihoods |
| Nam Cheun | 160 | Phou Khao Khouay National Park | Mekong River | Known for its natural beauty and biodiversity |