Question Detail
Question
Which of the following elements is classified as a macronutrient and is obtained by plants from the soil in the form of H2PO4- or HPO42-?
Correct Answer
Option C is the correct answer.
Detailed Explanation
According to the 'MACRONUTRIENTS' table on page 25, Phosphorus (P) is obtained from SOIL in the form of H2PO4- or HPO42-.
Hint
Locate the Macronutrients table and check the 'Form Used by Plant' column for the given ions.