<prompt> Which of the following is not a micronutrient -IodineChromiumGlucoseIron  <response>: Ans. is c i.e., Glucose o Nutrients are organic and inorganic complexes contained in food. There are two major types of nutrients : Micronutrients Micronutrients are nutrients needed throughout life in small quantities. They are dietary minerals needed by the human body in very small quantities. Micronutrients include : VitaminsQ: - A, B-compiex, C, D, E, K Microminerals Trace elementsQ - required intake is less than 100 mgday: Boron Chromium Fluoride IronQ Molybdenum ZincQ Cobalt CopperQ IodineQ MangneseQ SeleniumQ Macrominerals - required 100 mgday : Calcium Phosphorus SodiumQ Sulfur Magnesium Potassium Chloride Macronutrients Proximate principals These are the nutrients which are consumed in large quantities. They provide bulk energy. Macronutrients are: i Proteins, ii Fats iii Carbohydrate. 