Gce Model Questions Vol1 2019 Geography Question 45

Practice objective / multiple choice question 45 from the 2019 Gce Model Questions Vol1 Geography examination.

Gce Model Questions Vol1 2019 Geography Objective / Multiple Choice Medium Difficulty
Question 45 GCE_MODEL_QUESTIONS_VOL1 • 2019 • GEOGRAPHY • objective

A river originates at an elevation of 800 m and reaches the sea at 100 m after flowing 150 km.\n(a) Calculate the average gradient in metres per kilometre and state the river's developmental stage using the criteria: youthful >25 m/km, mature 4-25 m/km, old <4 m/km.\n(b) If the average flow velocity (km h⁻¹) is given by \(v = 2\sqrt{g}\) where \(g\) is the gradient (m km⁻¹), estimate the time (in hours, to the nearest whole hour) required for a water parcel to travel the whole length.

Answer Options

A. Mature stage; 28 hours
Correct Answer B. Mature stage; 35 hours
C. Youthful stage; 30 hours
D. Old stage; 40 hours
Correct Answer
B
Correct Option:
Mature stage; 35 hours

About This Question

This is Gce Model Questions Vol1 2019 Geography Question 45. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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