An essential element is one

An essential element is one

Options

(a) Improve plant growth
(b) Present in plant ash
(c) Is indispensable for growth and is irreplaceable
(d) Available in soil

Correct Answer:

Is indispensable for growth and is irreplaceable

Explanation:

An essential element is the one which has a specific structural or physiological role and without which plants cannot complete their life cycle.

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