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ZIMSEC O-Level Agriculture

5.2.4Soil constituents

Soil constituents in ZIMSEC O-Level Agriculture: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 5.2.4.1Form 3: describe the composition of an agriculturally viable soil and explain the importance of each component.
  2. 5.2.4.2Form 3: describe the types of soil water, explain the movement of water in soil and field capacity.
  3. 5.2.4.3Form 3: explain the roles of living organisms in the soil.

Lessons

  • Soil constituents, soil water and soil organisms

    35 min

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Sample question

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

Soil constituents: sample question

1 mark

A soil was soaked by heavy rain two days ago, and water has stopped draining from it. What is the soil's water content now called?

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