A nutrient element is said to be essential if___________________?
Correct answer: C. All the above
- A. Plants can not complete their life cycle in absence of that element
- B. Nutrients has some physiological function in metabolism of plant
- C. All the above
- D. Deficiency symptoms can be removed by application of that putrid
Explanation
An essential element is required for completion of the plant life cycle, performs a specific physiological or metabolic function, and cannot be replaced by another element. Its deficiency is corrected by supplying that element, so all listed criteria are intended to apply.
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