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ZIMSEC O-Level Geography

7.8.2Environmental deterioration

Environmental deterioration in ZIMSEC O-Level Geography: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic40 practice questions2 lessons

Overview

Form 2: veld fires, soil erosion, siltation, gullies, uncontrolled mining and sand abstraction, deforestation, wetland destruction, water and air pollution, poor waste management, noise and graffiti.

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.8.2.1Describe the forms and causes of environmental degradation.
  2. 7.8.2.2Explain the social, economic and physical effects of environmental degradation.
  3. 7.8.2.3Outline measures to reduce environmental degradation.

Lessons

  • Land degradation: soil erosion, deforestation and desertification

    35 min

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  • Pollution and waste management in Zimbabwe

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Environmental deterioration: sample question

1 mark

Why does ploughing along the contours reduce soil erosion?

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