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Which of the following elements is a macronutrient?

ACu

BMn

CCl

DMg

Answer:

D. Mg

Read Explanation:

  • Mg is a macronutrient.

  • Macronutrients consist of elements which are necessary for plant’s survival and are required in excess of 10 mmole Kg-1.

  • Mg is absorbed by plants in divalent form.

  • It is involved in the synthesis of DNA & RNA.

  • Cu, Mn and Cl are micronutrients.


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