Question

Which of the following groups of mint, are micronutrients

• A. Magnesium, Manganese, Copper, Boron and Phosphorus
• B. Manganese, Copper, Magnesium, Zinc and Boron
• C. Nitrogen, Potassium, Manganese, Copper and Iron
• D. Iron, Manganese, Copper, Molybdenum and Zinc

Answer 1

Answer: (D)

Iron, Manganese, Copper, Molybdenum and Zinc

Answer 2

Micronutrients or trace nutrients are those which are needed in very small amounts (less than $10\,m$ mole $kg^{-1}$ of dry matter). They include $Fe, Mn, Cu, MO, Zn, B, Cl$ and $Ni$.