The number of functional plant nutrient is

A. 16

B. 20

C. 12

D. 25

Answer: Option A

Solution(By Examveda Team)

The number of functional plant nutrients is 16.
These are essential plant nutrients required by plants for the proper functioning and growth of the plant.
These nutrients are Nitrogen, phosphorus, potassium, calcium, magnesium and Sulphur as macronutrients and iron, manganese, boron, molybdenum, copper, zinc, chlorine and cobalt as micronutrients.