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An element must be considered essential,...

An element must be considered essential, when
I. the element is necessary for supporting normal growth and reproduction of the plants.
II. The deficiency of that particular element cannot be met by supplying some other element.
III. The element is directly involved in the metabolism of the plants
Choose the correct option.

A

I and III

B

Only II

C

II and III

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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