Plants require various mineral ions from the soil to maintain healthy growth.
Explain why magnesium ions are needed by plants.
Practise AQA GCSE Biology Plant tissues, organs and systems with exam-style questions for Foundation and Higher tier. 29 questions covering Plant tissues and Plant organ system, matched to the AQA GCSE Biology (8461) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.