Q. Which of the following is/are not an essential micro nutrient?
A) Boron
B) Nickel and cadmium
C) Molybdenum
D) Zinc
Explanation
Nickel and cadmium are physiologically inactive minerals for plants, i.e., not required for healthy growth of plants.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.