Micronutrients are called micro, because they are

A. Less important

B. Small in size

C. Needed in small amounts

D. All of these

Answer: Option C

Solution(By Examveda Team)

Micronutrients are called micro because they are needed in small amounts.
Micronutrients are essential dietary elements required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health.
There are about seven nutrients essential to plant growth and health that are only needed in very small quantities, thus termed Micronutrients.