Which of the following is not a micronutrient?

(A) Chlorine

(B) Calcium

(C) Carbohydrates

(D) B and C

Correct Answer of MCQ: (D) B and C

Which of the following is a micronutrient?

(A) Minerals

(B) Vitamins

(C) both A and B

(D) None of these

Correct Answer of MCQ: (C) Carbohydrates

Examples of Macronutrients and Micronutrients


Micronutrients Macronutrients

Phosphorus,    Iron,    Sodium,    Magnesium,    Sulfur, Potassium,    Zinc,    Calcium,



Source of: Amylose, Fructose, Glucose, Amylopectin, Maltose,  Galactose,  Sucrose, Ribose, Lactose

Trace elements

Fluorine,    Selenium,    Manganese, Iodine,    Copper,    Chromium , Boron,    Molybdenum,



Source of: Serine, Alanine, Arginine, Aspartic acid (aspartate), Isoleucine, Cysteine, Glutamic acid (glutama Tryptophan, Tyrosine,Valine, Glutamine, Glycine,  Lysine, Methionine, Phenylalanine, Proline,Asparagine, Threonine, Histidine, Leucine,


Vitamin A, B, C, D, E, K


Source of:      Stearic acid ,     Lauric acid ,     Arachidic acid ,     Caprylic acid ,     Butyric acid ,     Margaric acid ,     Propionic acid ,     Cerotic acid ,    Capric acid ,     Lignoceric acid ,     Behenic acid ,     Palmitic acid ,     Caproic acid ,     Myristic acid ,      Acetic acid ,     Pentadecanoic acid ,   Capric acid ,     Lignoceric acid ,     Behenic acid ,     Palmitic acid ,     Caproic acid ,     Myristic acid ,      Valeric acid


Nervonic acid,    Oleic acid,    Eicosenoic acids, Erucic acid,    Myristoleic acid,


Source of:   Stearidonic acid ,    Arachidonic acid ,    Eicosatetraenoic acid ,  α-Linolenic acid ,    Cervonic acid Timnodonic acid ,    Clupanodonic acid ,    Linoleic acid ,    Gamma-Linolenic acid

Essential fatty acids

Source of:   α-Linolenic acid ALA (18:3) omega-3 fatty acid, Linoleic acid LA (18:2) omega-6 fatty acid,


Source of:  Ethanol



Prof.Fazal Rehman Shamil (Available for Professional Discussions)
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