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- #Class 11
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- #Biology
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Which of the following is not a criteria of essentiality of mineral nutrients?
The element must be essential for supporting normal growth and reproduction
The element must be directly involved in the metabolism
In the absence of element, no disorder or malformation in plant should occur
The requirement of element must be specific
Answers (1)
The criteria of essentiality is as follows
1. The element must be absolutely necessary for supporting normal growth and reproduction. In the absence of the element, the plants do not complete their life cycle or set the seeds.
2. The requirement of the element must be specific and not replaceable by another element. In
other words, deficiency of any one element cannot be met by supplying some other element.
3. The element must be directly involved in the metabolism of the plant.
4. In the absence of element a disorder or malformation in plants occur
Hence, the correct answer is option c.
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