Which one among the following is not a micronutrient for plants?
- A. Iron
- B. Manganese
- C. Magnesium ✓
- D. Chlorine
Correct Answer: C. Magnesium
Explanation
Micronutrients are required by plants in very small quantities (e.g., Iron, Manganese, Chlorine). Magnesium is a macronutrient, essential for the structure of the chlorophyll molecule.
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