Neco Model Questions Vol1 2019 Geography Question 30

Practice objective / multiple choice question 30 from the 2019 Neco Model Questions Vol1 Geography examination.

Neco Model Questions Vol1 2019 Geography Objective / Multiple Choice Medium Difficulty
Question 30 NECO_MODEL_QUESTIONS_VOL1 • 2019 • GEOGRAPHY • objective

A river has three surveyed points: A at \(0\) km downstream with elevation \(500\) m, B at \(10\) km with elevation \(350\) m, and C at \(25\) km with elevation \(200\) m.\n(a) Calculate the longitudinal gradient between points B and C in metres per kilometre.\n(b) Express this gradient as a percentage.\n(c) If gradients greater than \(0.5\%\) usually indicate sections with rapids, does the B-C segment likely contain rapids?

Answer Options

Correct Answer A. Gradient = 10 m km⁻¹ (1 %); rapids likely
B. Gradient = 5 m km⁻¹ (0.5 %); rapids unlikely
C. Gradient = 15 m km⁻¹ (1.5 %); rapids likely
D. Gradient = 10 m km⁻¹ (0.5 %); rapids unlikely
Correct Answer
A
Correct Option:
Gradient = 10 m km⁻¹ (1 %); rapids likely

About This Question

This is Neco Model Questions Vol1 2019 Geography Question 30. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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