IB ESS HL 6.4.3 Stratospheric ozone protection Question Bank
Practise IB ESS SL/HL 006.004.003 by applying stratospheric ozone protection concepts to exam-style environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
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
6.4.3—Stratospheric ozone protection question 1
Figure Ozone concentration by altitude in the atmosphere
Figure Percentage change in tropospheric ozone exposure 2010-2019
Question (a)
(a)
Identify the altitude with the highest concentration of ozone shown in Figure.
[ 1 ]
Question (b)
(b)
With reference to Figure, describe the importance of a higher ozone concentration between 20 and 30 kilometres for living organisms.
[ 2 ]
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