Difference between Macronutrients and Micronutrients MCQ - Practice Questions with Answers

Macronutrients

• Macronutrients are generally present in plant tissues in large amounts (in excess of 10 mmol Kg-1 of dry matter). 
• The macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur, potassium, calcium and magnesium.
• Of these, carbon, hydrogen and oxygen are mainly obtained from CO2 and H2O, while the others are absorbed from the soil as mineral nutrition.

Micronutrients

• Micronutrients or trace elements are needed in very small amounts (less than 10 mmole Kg-1 of dry matter).