A) Zn
B) Zn2+
C) ZnO
D) ZnSO4
Correct Answer: B
Solution :
| [B] Zinc is taken up by the plants in the form of Zn++. It is required for biosynthesis of chlorophyll in some plants. Deficiency of Zn is shown by a reduction in intemodal growth as a result plants display a rosette habit of growth in which the leaves form a circular cluster radiating at or close to the ground. |
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