NURSING ANM AND GNM

Detailed explanation-1: -Example: Sodium, phosphorus, sulphur, potassium, chloride. Trace minerals: These, also known as micronutrients, are required in lesser quantities than macro minerals. Example: Iron, manganese, copper, zinc, iodine, fluoride, selenium, boron etc. Thus, (C) Magnesium is not a micronutrient.

Detailed explanation-2: -Mg is not a trace element. An element is absorbed by the plants in a small amount is termed as a trace element which is important for the correct growth, development, and physiology of the plants. Chromium, cobalt, copper, iron, manganese, magnesium, molybdenum, selenium, zinc all are the instances of trace elements.

Detailed explanation-3: -trace element, also called micronutrient, in biology, any chemical element required by living organisms in minute amounts (that is less than 0.1 percent by volume [1, 000 parts per million]), usually as part of a vital enzyme (a cell-produced catalytic protein).