Q. Which one of the following is not a micronutrient :

Q. Which one of the following is not a micronutrient :

(a) Magnesium

(b) Zinc

(c) Boron

(d) Molybdenum

Solution :

Correct option : A Magnesium is a macronutrient. Boron, molybdenum and zinc are important micronutrients. So, the correct answer ‘Magnesium’