NEET Biology question

Not in NEET syllabus

Which one of the following elements is almost non-essential for plants (in the classical 16-element scheme)?

(A)Zn
(B)NaCorrect
(C)Ca
(D)Mo

Answer: (B)

Solution

Sodium is involved in processes such as membrane permeability in some plants, but its essentiality has not been conclusively established for plants generally, unlike zinc (needed for tryptophan/auxin

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Question ID VK-112949