Which one among the following is not a micronutrient for plants?

  1. A. Iron
  2. B. Manganese
  3. C. Magnesium
  4. 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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