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Question

In which of the following, all three are macronutrients?
  1. Boron, zinc, manganese
  2. Molybdenum, magnesium, manganese
  3. Nitrogen, potassium, phosphorus
  4. Iron, copper, molybdenum

A
Molybdenum, magnesium, manganese
B
Iron, copper, molybdenum
C
Nitrogen, potassium, phosphorus
D
Boron, zinc, manganese
Solution
Verified by Toppr

From the given options, Option D has a better answer with macro nutrients - Nitrogen, Potassium and Phosphorus.
All other options have only micronutrients and thus 'D' turns the correct answer.
The primary macronutrients: nitrogen (N), phosphorus (P), potassium (K) the three secondary macronutrients: calcium (Ca), sulfur (S), magnesium (Mg) the micronutrients/trace minerals: boron (B), chlorine (Cl), manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni).
In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the macronutrients. In relatively small amounts, the soil supplies iron, manganese, boron, molybdenum, copper, zinc, chlorine, and cobalt, the so-called micronutrients. Nutrients must be available not only in sufficient amounts but also in appropriate ratios.
So, the correct answer is option D.

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