One of the following is not a criterion for an element to be termed as "essential"?

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One of the following is not a criterion for an element to be termed as "essential"? Answer: The element is not required for growth and development particular element cannot be replaced

To be classified as an essential element for plants or animals, the element must meet certain criteria. The widely accepted criteria (especially for plants)

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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.