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Minerals in Human Body their Functions, Deficiency Diseases and Rich Sources

Essential Vitamins and Minerals Needed for Body Growth


Today we will be covering a very important topic from the Chemistry part of the General Knowledge section that is – Important Minerals and their Deficiency Diseases. The post is very helpful for the upcoming FCI Exam 2015 and SSC CHSL Exam 2015. 

All about Minerals & their Deficiency Diseases

Minerals are specific kinds of nutrients that the body needs in order to function properly. A mineral deficiency occurs when the body doesn’t obtain the required amount of a mineral. Minerals helps in building strong teeth and bones, skin, hair, proper function of nerves, muscle contraction, maintains heart functions, etc.


Some important Minerals necessary for Human Body are:

Minerals are important substances that help your body’s form and function on many different levels.

  • Minerals are Inorganic Substances.
  • At least 29 elements are found in our body.
  • Minerals have No Energy value but imbalance may cause diseases

There are two different types of minerals required to human body


  1. Macro-Minerals (or) Macro-Nutrients: (RDA > 200 mg/day)

These are minerals your body needs in larger amounts. They include Calcium, Phosphorus, Magnesium, Sodium, Potassium, Chloride and Sulphur.


  1. Micro-minerals (or) Micro-Nutrients: (RDA < 200 mg/day)

 Your body needs just small amounts of trace minerals. These include Iron, Manganese, Copper, Iodine, Zinc, Cobalt, Fluoride and Selenium.


Functions of Various Minerals in Human Body




Deficiency/ Diseases



Component of bones and teeth, helps in blood clotting, Muscle contraction, Conduction of nerve impulses etc. Acts as cofactor of Myosin ATPase.

Defective bones and teeth, Tetany and rickets, Loss of muscle coordination

Milk, dairy foods, cereals (Ragi), meat, vegetables, fruits (Sitaphals)


Formation of bones and teeth, Component of nucleic acids, energy molecules and coenzymes

Poor body growth, weak bones and teeth.

Milk, dairy foods, Cereals, eggs, fish, meat etc.


Maintains water balance, blood pressure and nervous system.

Improper muscle contraction; nervous depression; loss of Na+ in urine, dehydration

Table salt, vegetables


Osmotic balance; muscle contraction; nerve impulse conduction

Nervous disorder; poor muscle control leading to paralysis

Vegetables, molasses, banana, date etc



Nutrition and Deficiency – Static GK Notes PDF 

Let us talk about nutrition and deficiency. Nutrition and deficiency due to insufficient consumption of nutrients is a science that has been around for centuries. This is quizzed often in the General Awareness sections of various competitive exams like SSC CGL, Railways RRB and Bank PO. Let us learn about Nutrition and deficiency in detail.




Disease Due to Deficiency


Carrots, Papaya, Milk, Cheese, Fish Liver Oil, Green Vegetables etc.

Night Blindness


Fish, Meat, Nuts, Beans, Wheat etc.



Amla, Citrus Fruits like Lemon, Tomato, Orange, Sprouted Grains, Guava etc.

Scurvy, Swelling of Gums


Fish Liver Oil, Milk, Egg Yolk, Sunlight etc.



Nuts, Fish, Milk, Butter, Plant Oil etc.

Reproductive Failure


Soybean, Green Vegetables, Tomato, Olive Oil etc.

Non Clotting of Blood



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