Question detail
What is the primary role of permafrost in a cold environment?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Section B: The living world
Question
- A. It provides nutrients for plant growth
- B. It acts as a barrier to water drainage
- C. It supports animal habitats
- D. It regulates the temperature of the soil
Answer
The correct answer is It acts as a barrier to water drainage.
Explanation
The correct option is It acts as a barrier to water drainage. It acts as a barrier to water drainage is correct because it directly matches the approved learning objective to explain the interdependence of climate, permafrost, soils, plants, animals and people in a cold environment. This belongs to Cold environments (optional route) within Section B: The living world, so the answer must stay focused on the geographical process, evidence, place, or impact named by the curriculum. The other options are weaker because they move away from Cold environments (optional route), reverse the geographical relationship, or make a broader claim than the objective supports.
Common mistake
Misunderstanding Interdependence
Students often think that climate and permafrost are the only factors affecting plants and animals in cold environments, ignoring the roles of soils and human activities.
Emphasize the interconnectedness of all components, including how soils influence plant growth and how human activities impact the ecosystem.
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