Mass wasting — KCSE Geography

KCSE Geography · 35 practice questions · 4 syllabus objectives

13 easy14 medium8 hard

What You'll Learn

Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.

Define mass wasting (mass movement) and classify the types: soil creep, landslides, mudflows, rock falls, slumping

Explain the factors that trigger mass wasting and describe the consequences for settlements, infrastructure and agriculture

Describe measures that can be taken to prevent and manage the effects of mass wasting

Mass wasting

Sample Questions

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1
easySHORT ANSWER4 marks

List four strategies that can be employed to reduce the risk of mass wasting in urban areas built on hilly terrain. (4 marks)

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Part (a) — 4 marks
Construct retaining walls to stabilize slopes (1 mk)
Implement proper drainage systems to manage water runoff (1 mk)
Reinforce slopes with vegetation to enhance soil stability (1 mk)
Conduct regular land surveys to assess potential landslide risks (1 mk)
2
easySHORT ANSWER4 marks

Explain two consequences of mass wasting for agricultural practices in rural communities. (4 marks)

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Part (a) — 4 marks
Loss of arable land due to soil erosion (1 mk)
Destruction of crops and farm infrastructure (1 mk)
Increased difficulty in accessing farms for cultivation (1 mk)
Reduced soil fertility due to removal of topsoil (1 mk)
3
easySHORT ANSWER3 marks

Name three factors that can trigger mass wasting in urban areas. (3 marks)

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Part (a) — 3 marks
Heavy rainfall leading to increased soil saturation (1 mk)
Construction activities that destabilise slopes (1 mk)
Earthquakes that induce ground shaking (1 mk)
4

Name three types of mass wasting and explain how each type occurs. (4 marks)

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