Gce Model Questions Vol1 2017 Geography Question 1

Practice objective / multiple choice question 1 from the 2017 Gce Model Questions Vol1 Geography examination.

Gce Model Questions Vol1 2017 Geography Objective / Multiple Choice Medium Difficulty
Question 1 GCE_MODEL_QUESTIONS_VOL1 • 2017 • GEOGRAPHY • objective

A river drops from an elevation of \(800\) m at its source to \(200\) m at its mouth over a total length of \(120\) km. Along its course there is a waterfall that drops \(30\) m over a \(2\) km stretch. Calculate the average gradient (in m km⁻¹) of the remaining stretch of the river (excluding the waterfall) and state whether the overall average gradient of the river exceeds \(5\) m km⁻¹.

Answer Options

A. Yes; the average gradient is approximately 4.50 m km⁻¹, which is less than 5 m km⁻¹.
Correct Answer B. No; the average gradient is approximately 4.83 m km⁻¹, which is less than 5 m km⁻¹.
C. No; the average gradient is approximately 5.00 m km⁻¹, which is equal to 5 m km⁻¹.
D. Yes; the average gradient is approximately 5.12 m km⁻¹, which is greater than 5 m km⁻¹.
Correct Answer
B
Correct Option:
No; the average gradient is approximately 4.83 m km⁻¹, which is less than 5 m km⁻¹.

About This Question

This is Gce Model Questions Vol1 2017 Geography Question 1. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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