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IB ESS SL 5.1.5 Soil system outputs Question Bank

Practise IB ESS SL/HL 005.001.005 by applying soil system outputs concepts to exam-style environmental systems questions.

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • identify the relevant environmental system, process or evidence
  • apply the correct ESS concept and explain the causal relationship
  • evaluate the outcome using ecological, social or management evidence

5.1.5—Soil system outputs question 1

[Maximum number: 5]
Figure Types and causes of soil degradation globally

Figure Types and causes of soil degradation globally

Figure Soil profile and the relative proportions of each type of microorganism at increasing depth

Figure Soil profile and the relative proportions of each type of microorganism at increasing depth

Question (a)

(a)

Using Figure, identify which cause of soil degradation makes up the largest percentage globally.

[ 1 ]

Question (b)

(b)

State one process that could reduce the mineral storage from the A horizon.

[ 1 ]

Question (c)

(c)

Explain how deforestation could impact soil quality.

[ 3 ]
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