GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
8. | Which of the following roles is not a criterion for essentiality of an element? | |
A. | In its absence, plants do not set seeds | |
B. | Irreplaceable by another element | |
C. | Indirectly involved in the metabolism of the plant | |
D. | Absolutely necessary for metabolism | |