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Which of the element is beneficial but not essential?

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in Biology – Class 11 by (272k points)
Which of the element is beneficial but not essential?

(a) Ca

(b) Mo

(c) Na

(d) Zn

This question was posed to me in examination.

My question is from Mineral Requirements of a Plant-2 topic in portion Mineral Nutrition of Biology – Class 11

1 Answer

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Best answer
Correct option is (c) Na

The best explanation: Na comes under the group of elements which are beneficial to plants if given in very small amounts. Ca, Mo and Zn are constituents of essential elements group which are absolutely necessary for the survival of the plants.

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