Multiple choice

Which of the following is a macronutrient?

  1. Ca

  2. Mo

  3. Mn

  4. Zn

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Macronutrients are elements plants need in large quantities. Primary macronutrients are N, P, K. Secondary macronutrients include Ca (Calcium), Mg, and S. Molybdenum (Mo), Manganese (Mn), and Zinc (Zn) are all micronutrients needed only in trace amounts.