Fibre and Roughage


 
 
Concept Explanation
 

Fibre and Roughage

Dietary Fibers (Roughage) :

The fibrous indigestible material present in our food is called  Roughage. Roughage neither provides energy, like carbohydrates and fats, nor builds our body, like proteins. However, it is an important component of our food. Roughage help us in following ways :

  • This helps our body to get rid of undigested food. Water helps our body to absorb nutrients from food. It also helps in throwing out some wastes from body as urine and sweat.
  • Roughage can absorb a great amount of water and helps retain water in the body. 
  • The main source of roughage in human food are salad, vegetables and fruits, corn , unpeeled apple, half - crushed wheat(Dalia). 

    Sample Questions
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    Question : 1

    Why should we have dietary fibres in our food?

    Right Option : C
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    Question : 2

    Which one of the following food items does not provide dietary fibre?

    Right Option : D
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    Question : 3

    Read the following two statements carefully and choose the correct option.

    (i) Roughages absorb large amount of water  and retain it in our body.

    (ii) A diet, which contains all the nutrients required by our body and that too in adequate quantities is called balanced diet.

    Right Option : C
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    Explanation
     
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