Cambridge IGCSE Environmental Management practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Soils for plant growth
Exam-style question
Which mineral ion is the main source of nitrogen for plants in soil?.
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Description
Soils contain mineral ions such as nitrate, phosphate, and potassium ions. They also have organic matter, varying pH levels, air and water content, and differ in drainage and ease of cultivation.
Explain Explain how mineral ions in soil support plant growth.
Aim for approximately 3 distinct marking points.