Waec Model Questions Vol1 2020 Geography Question 16

Practice objective / multiple choice question 16 from the 2020 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2020 Geography Objective / Multiple Choice Medium Difficulty
Question 16 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • GEOGRAPHY • objective

A river has two consecutive segments. The upstream segment is 20 km long with a gradient of 0.4 %, while the downstream segment is 30 km long with a gradient of 0.08 %. The river's discharge is uniform along its course. The critical gradient below which a river tends to develop meanders is 0.1 %. Identify which segment is more likely to develop meanders and state the dominant landform expected in the upstream segment.

Answer Options

Correct Answer A. The downstream segment will develop meanders; the upstream segment will have a straight, confined channel (a youthful V‑shaped valley).
B. Both segments will develop meanders; the upstream segment will have a braided channel (a wide floodplain).
C. The upstream segment will develop meanders; the downstream segment will have a straight, confined channel (a youthful V‑shaped valley).
D. The downstream segment will develop meanders; the upstream segment will have a meandering channel (a mature floodplain).
Correct Answer
A
Correct Option:
The downstream segment will develop meanders; the upstream segment will have a straight, confined channel (a youthful V‑shaped valley).

About This Question

This is Waec Model Questions Vol1 2020 Geography Question 16. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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