MCQs on rivers of Sri Lanka

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  1. What is the longest river in Sri Lanka? A) Mahaweli River B) Kelani River C) Walawe River D) Gin River Answer: A) Mahaweli River
  2. Which river flows through the capital city, Colombo? A) Kalu River B) Kelani River C) Mahaweli River D) Walawe River Answer: B) Kelani River
  3. The Mahaweli River is significant for which type of development? A) Industrial B) Agricultural C) Urban D) Tourism Answer: B) Agricultural
  4. Which river is known for the Victoria Dam? A) Mahaweli River B) Kalu River C) Walawe River D) Kelani River Answer: A) Mahaweli River
  5. Which river is considered the second longest in Sri Lanka? A) Kalu River B) Kelani River C) Walawe River D) Gin River Answer: B) Kelani River
  6. The Walawe River primarily flows through which province? A) Western Province B) Southern Province C) Central Province D) Uva Province Answer: B) Southern Province
  7. What is the main use of the rivers in Sri Lanka? A) Transportation B) Irrigation C) Recreation D) Fishing Answer: B) Irrigation
  8. The Kalu River originates from which mountain range? A) Knuckles Range B) Central Highlands C) Adam’s Peak D) Samanala Kanda Answer: B) Central Highlands
  9. Which river is known for its biodiversity and scenic beauty? A) Mahaweli River B) Kelani River C) Walawe River D) Gin River Answer: B) Kelani River
  10. The Gin River is located in which part of Sri Lanka? A) Northern Province B) Southern Province C) Western Province D) Central Province Answer: B) Southern Province
  11. Which river forms part of the border between Sri Lanka and India? A) Mahaweli River B) Kalu River C) Walawe River D) Nilwala River Answer: D) Nilwala River
  12. What is the primary tributary of the Mahaweli River? A) Kalu River B) Kelani River C) Walawe River D) Amban River Answer: D) Amban River
  13. The Kelani River is a major source of water for which city? A) Kandy B) Colombo C) Galle D) Jaffna Answer: B) Colombo
  14. Which river is known for its waterfalls, including the Dunhinda Falls? A) Mahaweli River B) Kelani River C) Walawe River D) Kalu River Answer: A) Mahaweli River
  15. The Nilwala River is significant for its impact on which region? A) Western Province B) Southern Province C) Northern Province D) Central Province Answer: B) Southern Province
  16. What is the primary environmental threat to rivers in Sri Lanka? A) Flooding B) Pollution C) Deforestation D) Drought Answer: B) Pollution
  17. Which river is known for the Mahoora Wildlife Sanctuary along its banks? A) Mahaweli River B) Walawe River C) Gin River D) Kelani River Answer: B) Walawe River
  18. The Uma Oya is a tributary of which river? A) Kelani River B) Mahaweli River C) Walawe River D) Kalu River Answer: B) Mahaweli River
  19. Which river is important for the irrigation of the dry zone in Sri Lanka? A) Walawe River B) Mahaweli River C) Kelani River D) Kalu River Answer: B) Mahaweli River
  20. What is the significance of the Victoria Reservoir? A) Flood control B) Hydro power generation C) Tourism D) All of the above Answer: D) All of the above
  21. Which river is primarily used for the cultivation of rice in Sri Lanka? A) Kalu River B) Mahaweli River C) Gin River D) Walawe River Answer: B) Mahaweli River
  22. The Walawe River is also known for which of the following? A) Freshwater fishing B) Irrigation of tea plantations C) Boating activities D) Wild elephant habitats Answer: D) Wild elephant habitats
  23. Which river is famous for the historic site of the Kothmale Reservoir? A) Kelani River B) Mahaweli River C) Walawe River D) Kalu River Answer: B) Mahaweli River
  24. The Kalu River is primarily used for which purpose? A) Transport B) Hydropower generation C) Irrigation D) Domestic water supply Answer: C) Irrigation
  25. Which river has a significant impact on the culture and livelihoods of the people living in its basin? A) Kalu River B) Mahaweli River C) Kelani River D) Gin River Answer: B) Mahaweli River
  26. What is the ecological importance of the Kelani River? A) Biodiversity hotspot B) Source of fishing C) Recreational area D) Urban water supply Answer: A) Biodiversity hotspot
  27. Which river flows through the town of Kandy? A) Walawe River B) Mahaweli River C) Kalu River D) Gin River Answer: B) Mahaweli River
  28. Which river is known for its historical importance during the British colonial period? A) Kelani River B) Mahaweli River C) Walawe River D) Kalu River Answer: A) Kelani River
  29. The Gin River is known for which feature? A) Fishing B) Waterfalls C) Wildlife D) Historical sites Answer: B) Waterfalls
  30. The Kalu River empties into which body of water? A) Indian Ocean B) Bay of Bengal C) Arabian Sea D) Atlantic Ocean Answer: A) Indian Ocean
 
River Name Length Location Significance
Mahaweli River Approx. 335 km Flows through central and eastern Sri Lanka Longest river, essential for agriculture and hydroelectric power.
Kelani River Approx. 145 km Flows through western Sri Lanka, including Colombo Important for water supply and hydroelectric projects.
Walawe River Approx. 129 km Flows through southern Sri Lanka Vital for irrigation, known for its biodiversity and wildlife.
Kalu River Approx. 129 km Flows through western Sri Lanka Key for irrigation and hydroelectric power generation.
Gin River Approx. 90 km Flows through southern Sri Lanka Known for scenic beauty and biodiversity, important for fishing.
Nilwala River Approx. 90 km Flows through southern Sri Lanka Important for irrigation and as a water source for local communities.
Jaffna River Approx. 40 km Flows through the Northern Province Significant for agriculture in the Jaffna Peninsula.
Amban River Approx. 58 km Flows through central Sri Lanka A tributary of the Mahaweli River, supports irrigation.
Mahaweli Ganga Approx. 65 km Flows through central Sri Lanka Important tributary of the Mahaweli River.
Kekirawa River Approx. 30 km Flows through central Sri Lanka Supports local agriculture and irrigation.

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