Q.

Magnesium is found in plants. In what form is it found in them?


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a

Trivalent ions

b

Divalent ions

c

Enzymes

d

Chloroplast 

answer is B.

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Detailed Solution

Concept- Numerous metals have been found to be necessary for the intricate balance of plant growth and reproduction. Plants absorb these metals in the form of their ions.
As soon as the plants have absorbed the metal ions from the soil with the aid of their roots, their vascular tissues distribute them to various areas of the plant.
Additionally, plants take up magnesium in the form of magnesium divalent ions.
With the aid of chlorophyll, plants produce food through a process known as photosynthesis. The centre atom of the chlorophyll molecule, magnesium, retains the solar energy required for photosynthesis.
Thus, we can infer that magnesium exists in plants as magnesium divalent ions and that it is the core atom of chlorophyll.
 
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Magnesium is found in plants. In what form is it found in them?