MHT CET Medical202623 April 2026Morning ShiftBiologyMineral NutritionActual
Which of the following groups has all three micro-elements?
Options
- AMagnesium, Potassium, Zinc
- BZinc, Copper, Silicon
- CPotassium, Sulphur, Calcium
- DSulphur, Calcium, Chlorine
Correct answer
B. Zinc, Copper, Silicon
Step-by-step solution
Macronutrients are generally present in plant tissues in large amounts (in excess of 10 mmole kg ⁻¹ of dry matter). The macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorous, sulphur, potassium, calcium and magnesium. Micronutrients or trace elements are needed in very small amounts (less than 10 mmole kg ⁻¹ of dry matter). These include iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel. Analyzing the given options: Magnesium (Mg), Potassium (K), Sulphur (S), and Calcium (Ca) ar