Botany - Mineral Nutrition Question with Solution | TestHub
Which of the following are incorrect as a criterion for the essentiality of an element.
i. If the concerned element is deficient another element can fulfil the need of it.
ii. The plants would complete their life cycle irrespective of the absence or deficiency of the elements.
iii. The elements have indirect involvement in the metabolism of plants.
iv. The elements must be absolutely necessary for supporting normal growth and reproduction.
Options:
Answer:
Solution:
The criteria for essentiality of an element are :
The element must be absolutely necessary for supporting normal growth and reproduction.
In the absence of element the plants do not complete their life cycle.
The requirement of the element must be specific and not replaceable by another element.
The element must be directly involved in the metabolism of the plant.
