Question

Which of the following statements is incorrect with regards to criteria for essentiality of minerals in plants?

• A. Element must be absolutely necessary for plant growth and reproduction
• B. Deficiency of any one element can be met by supplying some other element.
• C. No other element can perform the function of another element.
• D. Elements plays a direct role in metabolism of plants

Answer 1

The correct option is B Deficiency of any one element can be met by supplying some other element.

There is a criteria for essentiality of elements which is listed below:
1. Element must be absolutely necessary for plant growth, metabolism & reproduction so much so that plant can't complete it's life cycle without it.
2. The element must not be replaceable by any other element in the plant.
3. Element must have direct participation in plant metabolism