Question:
Which one of the following minerals is NOT mobilized in plants?
Which one of the following minerals is NOT mobilized in plants?
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Immobile elements: Ca, Fe, B → deficiency appears in young leaves.
Updated On: May 4, 2026
- Phosphorus
- Sulphur
- Potassium
- Calcium
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Concept:
Mineral nutrients in plants are classified based on their mobility within the plant body.
Step 1: Understand mobile elements. Mobile elements can be translocated from older tissues to younger tissues:
• Phosphorus \checkmark
• Potassium \checkmark
• Sulphur (relatively mobile) \checkmark
Step 2: Understand immobile elements. Immobile elements cannot be easily transported once deposited:
• Calcium → Highly immobile in plants
Step 3: Analyze options.
• (A) Phosphorus → Mobile $\times$
• (B) Sulphur → Mobile $\times$
• (C) Potassium → Mobile $\times$
• (D) Calcium → Not mobilized \checkmark
Step 4: Conclusion. \[ \text{Calcium is not mobilized in plants} \]
Mineral nutrients in plants are classified based on their mobility within the plant body.
Step 1: Understand mobile elements. Mobile elements can be translocated from older tissues to younger tissues:
• Phosphorus \checkmark
• Potassium \checkmark
• Sulphur (relatively mobile) \checkmark
Step 2: Understand immobile elements. Immobile elements cannot be easily transported once deposited:
• Calcium → Highly immobile in plants
Step 3: Analyze options.
• (A) Phosphorus → Mobile $\times$
• (B) Sulphur → Mobile $\times$
• (C) Potassium → Mobile $\times$
• (D) Calcium → Not mobilized \checkmark
Step 4: Conclusion. \[ \text{Calcium is not mobilized in plants} \]
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