All of the following are micronutrients accept:
Correct answer: D. Potassium
- A. Iron
- B. Chlorine
- C. Copper
- D. Potassium
Explanation
The correct answer is potassium. Potassium is classified as a macromineral, not a micronutrient. Macrominerals, including potassium, calcium, and magnesium, are required by the body in larger quantities compared to micronutrients. Micronutrients, such as iron, chlorine, and copper, are essential but needed in smaller amounts. These micronutrients play vital roles in bodily functions, but their required intake is significantly less than that of macrominerals like potassium.
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About Plant Nutrition and Transport
Plants require macronutrients and micronutrients for growth, and mineral deficiencies produce recognizable symptoms. Transport involves water and minerals through xylem by transpiration pull, cohesion and adhesion, while phloem translocates sugars from sources to sinks. Root pressure and transpiration are distinct mechanisms.
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