Biology for IGCSE & O level - Plant Nutrition (Section 2 - No. 37)
Which of the following is a common deficiency symptom in plants lacking magnesium ions?
Increased growth rate
Yellowing of leaves (chlorosis)
Dark green leaves
Thickening of the stems
Explanation
Magnesium is essential for chlorophyll production, and a deficiency results in yellowing of the leaves.
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