Question

What are Micro nutrients and why are they called micro nutrient?

Answer 1

micro nutrients are nutrients which are required in small quantities and the reason Is micro means small. therefore they are called micro nutrients for they are smaller in size

Answer 2

$\large{\underline{\rm{\purple{Micro\: nutrients:-}}}}$

→ They are needed in very small amounts.

→ They include iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.

→ Essential elements are also grouped into four categories on the basis of their functions. They are:-

● Components of biomolecules and structural elements of cells.

E.g. carbon, hydrogen, oxygen and nitrogen.

● Components of energy-related chemical compounds.

E.g. Mg in chlorophyll and phosphorous in ATP.

● Essential elements that activate or inhibit enzymes.

● They are critical enzymes in photosynthetic carbon fixation.

● Zn2+ is an activator of alcohol dehydrogenase and Mo of nitrogenase during nitrogen metabolism.

● Essential elements that alter the osmotic potential of a cell.

E.g. Potassium functions in the opening and closing of stomata.