Geography and Nature

Major River Basins, Hydrology and Inland Waterways

25 practice questions, each with the answer and an explanation.

Practise Major River Basins, Hydrology and Inland Waterways now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 25 questions

  1. In which mountain highland of West Africa does the River Niger take its primary source before entering Nigeria?
  2. At which historic confluence town in Kogi State do the River Niger and River Benue meet to form a single lower river trunk?
  3. Which major distributary of the River Niger discharges into the Atlantic Ocean through the coastal waters of Bayelsa State?
  4. Which endorheic inland drainage basin in northeastern Nigeria has suffered severe shrinkage in surface water volume since the 1960s?
  5. The Komadugu Yobe river system that flows into Lake Chad is formed by the confluence of which two major rivers?
  6. What is the largest artificial reservoir by surface area and volume constructed along the course of the River Niger in Nigeria?
  7. Which major left-bank tributary of the River Niger hosts both the Shiroro and Zungeru hydroelectric dams in Niger State?
  8. Which river flows southward through Cross River State to empty into the Gulf of Guinea via a vast estuary at Calabar?
  9. In which state is the Bakolori Dam located, constructed on the Sokoto-Rima river system for large-scale cereal irrigation?
  10. Which massive earth-fill dam was constructed in Kano State on the Kano River between 1971 and 1974 to supply municipal water and irrigation?
  11. Where is the statutory administrative headquarters of the National Inland Waterways Authority located in Nigeria?
  12. Which natural ocean fairway connects Lagos Lagoon to the open waters of the Atlantic Ocean?
  13. Which spectacular waterfall in Nasarawa State drops from a granite escarpment and is considered among the highest water cascades in West Africa?
  14. Which seven-tiered cascading waterfall is situated on the ridge of the effusive hills in Osun State, southwestern Nigeria?
  15. Which geological thermal phenomenon in Ekiti State features warm and cold springs flowing side by side from the same rock ridge without intermixing?
  16. What is the natural spring water temperature consistently maintained at the Wikki Warm Springs in Yankari National Park, Bauchi State?
  17. Which major tributary flows into the River Benue entirely within Nigerian territory, originating from the eastern slopes of the Jos Plateau?
  18. Which reservoir in Oyo State constructed on the Osun River basin supplies potable water to the city of Ibadan?
  19. Which prominent river flows southwest through Ogun State to feed into the Lagos Lagoon system near Ikorodu?
  20. Which dredged marine waterway provides ocean vessels with deepwater navigation access across the littoral mudbanks into the ports of Warri, Burutu, and Sapele?
  21. Which major hydroelectric dam was commissioned on the River Niger downstream of Kainji in 1984 to generate 578 MW of electricity?
  22. Which river in Cross River and Akwa Ibom States is renowned for its vast blue estuary that served as an early palm oil trading terminal?
  23. What is the primary ecological risk confronting the Hadejia-Nguru wetlands in Jigawa and Yobe States caused by upstream dam construction?
  24. Which scenic natural body of water in Imo State represents the largest natural freshwater lake in southeastern Nigeria?
  25. What major water infrastructure project diverts surplus river flow from Niger State to replenish the Lower Usuma Dam reservoir supplying Abuja?

Keep practising

More general knowledge topics

All general knowledge →

Ready for more general knowledge?

Play the GK ChallengeGeneral knowledge hub