Which criteria must an element meet to be considered essential for plants?

1. A Option A: The element is directly involved in the nutrition of the plant.
2. B Option B: In the absence of the element, the plant cannot complete its vegetative or reproductive cycle.
3. C Option C: The role played by the element is specific and cannot be replaced by another element.
4. D Option D: All of these

Answer checked 11 October 2026 · How we write and check questions