Gce Model Questions Vol1 2021 Geography Question 9

Practice objective / multiple choice question 9 from the 2021 Gce Model Questions Vol1 Geography examination.

Gce Model Questions Vol1 2021 Geography Objective / Multiple Choice Medium Difficulty
Question 9 GCE_MODEL_QUESTIONS_VOL1 • 2021 • GEOGRAPHY • objective

A river valley cross‑section shows the following elevations and horizontal distances: source at 350 m elevation, midpoint at 200 m after 12 km, and mouth at 50 m after a further 18 km. Calculate the average gradient (rise/run) for the upper reach (source to midpoint) and the lower reach (midpoint to mouth) to three decimal places, and state the corresponding landform stage for each reach using the criteria: youthful > 0.04, mature 0.01-0.04, old < 0.01.

Answer Options

Correct Answer A. Upper gradient 0.013 (mature), Lower gradient 0.008 (old)
B. Upper gradient 0.020 (youthful), Lower gradient 0.005 (old)
C. Upper gradient 0.012 (mature), Lower gradient 0.007 (old)
D. Upper gradient 0.015 (mature), Lower gradient 0.009 (old)
Correct Answer
A
Correct Option:
Upper gradient 0.013 (mature), Lower gradient 0.008 (old)

About This Question

This is Gce Model Questions Vol1 2021 Geography Question 9. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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