NEET 2016 Biology question

Not in NEET syllabus

In which of the following, all three are macronutrients?

(1)Boron, zinc, manganese
(2)Iron, copper, molybdenum
(3)Molybdenum, magnesium, manganese
(4)Nitrogen, nickel, phosphorusCorrect

Answer: (4)

Solution

Macronutrients (required in concentrations above about 10 mmol per kg of dry matter) are C, H, O, N, P, S, K, Ca and Mg. Micronutrients (trace elements) are Fe, Mn, Cu, Mo, Zn, B, Cl and Ni. Option (1): B, Zn, Mn are all micronutrients. Option (2): Fe, Cu, Mo are all micronutrients. Option (3):

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Question ID VK-091932