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Deficiency symptoms of readily mobilised essential elements will first appear in ______.
- a)younger tissues
- b)older tissues
- c)roots
- d)shoots
Correct answer is option 'B'. Can you explain this answer?
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Deficiency symptoms of readily mobilised essential elements will first...
For elements that are actively mobilised within the plants and exported to young developing tissues, the deficiency symptoms tend to appear first in the older tissues e.g., the deficiency symptoms of nitrogen (N), potassium (K) and magnesium (Mg) are visible first in the senescent leaves. In the older leaves, biomolecules containing these elements are broken down, making these elements available for mobilising to younger leaves. On the other hand, the deficiency symptoms tend to appear first in the young tissues whenever the elements are relatively immobile and are not transported out of the mature organs, for example, elements like sulphur (S) and calcium (Ca) are a part of the structural components of the cell and hence are not easily released.
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Deficiency symptoms of readily mobilised essential elements will first...
Deficiency symptoms of readily mobilised essential elements will first appear in older tissues.
Explanation:
Readily mobilised essential elements are those elements that can be easily transported from the old tissues to the young tissues. These elements include nitrogen (N), phosphorus (P), and potassium (K). The deficiency symptoms of these elements will first appear in older tissues because these elements are readily mobilised from the older tissues to the younger ones.
When these elements are deficient, the plant will first move them from the older tissues to the younger tissues to maintain essential functions. As a result, the older tissues will become deficient in these elements first, and the symptoms will appear in these tissues.
For example, if a plant is deficient in nitrogen, it will first move the nitrogen from the older leaves to the younger leaves to maintain essential functions. As a result, the older leaves will become deficient in nitrogen first, and the symptoms will appear in these leaves. The symptoms may include yellowing, stunted growth, and reduced yield.
In conclusion, the deficiency symptoms of readily mobilised essential elements will first appear in older tissues because these elements are readily transported from the older tissues to the younger tissues to maintain essential functions.
Explanation:
Readily mobilised essential elements are those elements that can be easily transported from the old tissues to the young tissues. These elements include nitrogen (N), phosphorus (P), and potassium (K). The deficiency symptoms of these elements will first appear in older tissues because these elements are readily mobilised from the older tissues to the younger ones.
When these elements are deficient, the plant will first move them from the older tissues to the younger tissues to maintain essential functions. As a result, the older tissues will become deficient in these elements first, and the symptoms will appear in these tissues.
For example, if a plant is deficient in nitrogen, it will first move the nitrogen from the older leaves to the younger leaves to maintain essential functions. As a result, the older leaves will become deficient in nitrogen first, and the symptoms will appear in these leaves. The symptoms may include yellowing, stunted growth, and reduced yield.
In conclusion, the deficiency symptoms of readily mobilised essential elements will first appear in older tissues because these elements are readily transported from the older tissues to the younger tissues to maintain essential functions.
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Deficiency symptoms of readily mobilised essential elements will first appear in ______.a)younger tissuesb)older tissuesc)rootsd)shootsCorrect answer is option 'B'. Can you explain this answer?
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