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Difficulty: HardRelief, Physical Regions, and Drainage Systems of Nigeria

Match each major Nigerian river listed on the left with its correct physical source area and primary drainage destination on the right.

  • Cross RiverRises in the Cameroon Mountains and empties into the Bight of Biafra
  • River Yobe (Komadugu Yobe)Formed by the Hadejia and Jama'are confluence, draining into Lake Chad
  • Ogun RiverOriginates from the Western Uplands and drains into the Lagos Lagoon
  • Gongola RiverRises on the eastern slopes of the Jos Plateau and flows into the Benue River

Answer

Cross River matches with rising in the Cameroon Mountains and emptying into the Bight of Biafra; River Yobe matches with being formed by the Hadejia and Jama'are confluence and draining into Lake Chad; Ogun River matches with originating from the Western Uplands and draining into the Lagos Lagoon; Gongola River matches with rising on the eastern slopes of the Jos Plateau and flowing into the Benue River.
Each river is correctly paired with its source highland and ultimate drainage destination: Cross River to the Cameroon Mountains and Bight of Biafra, River Yobe to the Hadejia-Jama'are confluence and Lake Chad, Ogun River to the Western Uplands and Lagos Lagoon, and Gongola River to the Jos Plateau and Benue River.

Step-by-Step Solution

1
Identify the source and outlet of the Cross River
The Cross River originates in the Cameroon highlands and discharges southwards into the Bight of Biafra.
Recognizing the major southeastern borderland river system.
2
Identify the drainage characteristics of the inland Lake Chad basin system
River Yobe is formed by the confluence of the Hadejia and Jama'are rivers, forming the main river flowing into Lake Chad.
Distinguishing the inland drainage basin of northeastern Nigeria from Atlantic ocean systems.
3
Trace the hydrological source of the southwestern coastal rivers
Ogun River rises in the Western Uplands (Yoruba Hills) and flows south into the Lagos Lagoon.
Identifying rivers draining the southwestern crystalline highlands into coastal lagoons.
4
Trace the course of the major Benue tributary originating from the central plateau
Gongola River rises on the Jos Plateau eastern slopes, performing a distinctive loop before joining the Benue River.
Understanding river capture and major tributaries of the Benue system.

Key Concept

Drainage Basins and River Sources of Nigeria
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Topics

Relief, Physical Regions, and Drainage Systems of Nigeria

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