Minerals in Food


 
 
Concept Explanation
 

Minerals in Food

Minerals:

  • They perform important functions like formation of bones. They are needed in the diet in small quantities.
  • These are obtained from table salt, green vegetables and fruits. Iron, Iodine, calcium, phosphorus, sodium and potassium are common minerals.
  • Most food items have more than one nutrient, however one particular nutrient is present in much larger quantity than others.
  •                 S.No.MineralsSourcesFunction
    1.   Iron  Green leafy vegetables, legumes, spinach, jaggery, liver, egg yolk, apple, groundnut, cerealsEssential for the formation of haemoglobin in the red blood cells. Heamoglobin carries oxygen from the lungs to the different body cells.
    2.   CalciumMilk, cheese, eggs, green vegetables, whole grains, cereals, meatEssential for the formation and hardening of bones and teeth; plays an important role in the clotting of blood.
    3.  Phosphorus Milk, cheese, green vegetables, bajra, nuts, liver, ragi Formation of strong bones and teeth.
    4.    SodiumCommon salt, fish, meat,eggs, milkEssential for contraction if muscles and transmission of nerve impulses.
    5.  Potassium  Milk, yoghurt, oranges, potatoes, widely distributed in all foods. Essential for the contraction of muscles and transmission of nerve impulses
    6.   Iodine  Iodised salt, sea food, green leafy vegetablesEssential for the formaton of thyroxine hormone . This hormone controls physical, mental and sexual development of our body.

     

    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Repeated washing of rice may result in loss of

    Right Option : C
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    Explanation
    Question : 2

    Which mineral is essential for formation of strong bones and muscles?

    Right Option : A
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    Explanation
    Question : 3

    Which of the following statements are correct?

    A. Minerals and vitamins are needed in large quantities,as they are not retained by our body for long time.

    B. Minerals and vitamins protect our body against diseases.

    C. Minerals and vitamins promote growth.

    D. Minerals and vitamins help us in maintaining good health.

    Right Option : C
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    Explanation
     
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