Criteria for Essentiality of Elements NCERT Exemplar (Objective) Based MCQs Mineral Nutrition (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which one of the following roles is not characteristic of an essential element?

1.	is a component of biomolecules
2.	changing the chemistry of soil
3.	being a structural component of energy-related chemical compounds
4.	activation or inhibition of enzymes

Subtopic: Criteria for Essentiality of Elements |

82%

From NCERT

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital