Q.
Which one of the following is not a micronutrient?
A) Boron
B) Molybdenum
C) Magnesium
D) Zinc
Explanation
[Solution from source] Magnesium is a macronutrient: it is needed in large amounts and is the central atom of chlorophyll. Boron, molybdenum and zinc are needed in trace amounts, so they are micronutrients. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.