- Which is the longest river in Cambodia?
- A) Mekong River
- B) Tonle Sap River
- C) Bassac River
- D) Stung Sen River
- The Mekong River flows into which body of water?
- A) Bay of Bengal
- B) South China Sea
- C) Andaman Sea
- D) Gulf of Thailand
- Which river is known for its seasonal flooding and is connected to Tonle Sap Lake?
- A) Bassac River
- B) Tonle Sap River
- C) Stung Treng River
- D) Prek Thnot River
- What is the main use of the rivers in Cambodia?
- A) Hydroelectric power
- B) Agriculture
- C) Tourism
- D) Transportation
- Which river is a major tributary of the Mekong River?
- A) Tonle Sap River
- B) Bassac River
- C) Stung Sen River
- D) Prek Thnot River
- Which river is the primary source of fish for many communities in Cambodia?
- A) Bassac River
- B) Tonle Sap River
- C) Stung Treng River
- D) Mekong River
- Which river is known for its biodiversity and rich ecosystem?
- A) Tonle Sap River
- B) Bassac River
- C) Stung Sen River
- D) Prek Thnot River
- The Bassac River is a distributary of which river?
- A) Tonle Sap River
- B) Mekong River
- C) Stung Treng River
- D) Prek Thnot River
- Which river flows through Phnom Penh?
- A) Stung Treng River
- B) Bassac River
- C) Tonle Sap River
- D) Mekong River
- What is a significant environmental challenge for the rivers in Cambodia?
- A) Deforestation
- B) Low water levels
- C) Pollution
- D) Invasive species
- Which river is important for local transportation in Cambodia?
- A) Stung Treng River
- B) Mekong River
- C) Tonle Sap River
- D) Bassac River
- The Tonle Sap Lake is significant for its role in which ecological process?
- A) Water storage
- B) Flood pulse
- C) Sedimentation
- D) Erosion
- Which river provides water for rice paddies in Cambodia?
- A) Bassac River
- B) Stung Treng River
- C) Mekong River
- D) Prek Thnot River
- The Stung Sen River is located in which province?
- A) Battambang
- B) Kompong Thom
- C) Takeo
- D) Kampot
- Which river has a famous floating village?
- A) Bassac River
- B) Tonle Sap River
- C) Mekong River
- D) Stung Treng River
- Which river is known for the largest freshwater fish migration in the world?
- A) Stung Sen River
- B) Tonle Sap River
- C) Bassac River
- D) Mekong River
- What is the main economic activity supported by the rivers in Cambodia?
- A) Fishing
- B) Mining
- C) Tourism
- D) Manufacturing
- Which river serves as a border between Cambodia and Laos?
- A) Tonle Sap River
- B) Stung Treng River
- C) Mekong River
- D) Bassac River
- The water level of the Tonle Sap River changes due to which phenomenon?
- A) Tides
- B) Seasonal monsoon rains
- C) Glacial melt
- D) Groundwater levels
- Which river is significant for hydroelectric projects in Cambodia?
- A) Stung Sen River
- B) Bassac River
- C) Mekong River
- D) Tonle Sap River
- Which river is important for the rural economy of Cambodia?
- A) Tonle Sap River
- B) Prek Thnot River
- C) Mekong River
- D) Stung Treng River
- What type of ecosystem is primarily found along the Mekong River?
- A) Desert
- B) Wetlands
- C) Forest
- D) Urban areas
- Which river is a significant habitat for many bird species?
- A) Tonle Sap River
- B) Stung Sen River
- C) Bassac River
- D) Mekong River
- What is the impact of dam construction on the Mekong River?
- A) Increased fish populations
- B) Disruption of fish migration
- C) Improved water quality
- D) Enhanced navigation
- Which river is known for its beautiful landscapes and tourist attractions?
- A) Stung Treng River
- B) Tonle Sap River
- C) Mekong River
- D) Bassac River
- The Mekong River is considered one of the most important rivers in which region?
- A) North America
- B) Southeast Asia
- C) Europe
- D) South America
- Which river is crucial for local irrigation systems in Cambodia?
- A) Bassac River
- B) Mekong River
- C) Stung Sen River
- D) Tonle Sap River
- Which river flows into the Mekong River near Phnom Penh?
- A) Stung Treng River
- B) Bassac River
- C) Tonle Sap River
- D) Prek Thnot River
- What natural event significantly affects the Tonle Sap Lake?
- A) Drought
- B) Flooding
- C) Erosion
- D) Pollution
- Which river has historical significance for trade routes in Cambodia?
- A) Mekong River
- B) Bassac River
- C) Stung Sen River
- D) Tonle Sap River
| River Name | Length (km) | Major Features | Drainage Basin | Notable Locations |
| Mekong River | 4,350 | Longest river in Southeast Asia; vital for transport | Mekong Basin | Phnom Penh, Kratie |
| Tonle Sap River | 120 | Connects Tonle Sap Lake to the Mekong; seasonal flooding | Mekong Basin | Siem Reap, Kampong Chhnang |
| Bassac River | 200 | A distributary of the Mekong; flows through Phnom Penh | Mekong Basin | Phnom Penh |
| Stung Sen River | 80 | Flows into the Tonle Sap; important for irrigation | Tonle Sap Basin | Kompong Thom |
| Prek Thnot River | 70 | Flows through southern Cambodia; important for fishing | Mekong Basin | Takeo |
| Stung Treng River | 80 | Flows into the Mekong; rich in biodiversity | Mekong Basin | Stung Treng |
| Rivers in Koh Kong | Varies | Includes several small rivers; important for local ecosystems | Gulf of Thailand | Koh Kong |