Question

Which of the following is an incorrect criterion for essentiality of an element?

• A. The life cycle of the plant would not be completed in its absence
• B. The element is replaceable with another element
• C. The element must be directly involved in the metabolism of plant
• D. Deficiency of the element should cause diseases in plant

Answer 1

The correct option is B

The element is replaceable with another element

If an element is essential for the normal growth, development, and reproduction of a plant and its deficiency leads to diseases, then it cannot be replaced with another element