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  • Malaysia's leader said on Saturday communications aboard a missing jet were switched off and its course deliberately changed by someone on board before the aircraft disappeared a week ago, but stopped short of saying it had been hijacked.

  • Ukraine braced on Saturday for a breakaway vote in Crimea as deadly violence flared again in the ex-Soviet country's tinderbox east amid the biggest east-west showdown since the Cold War.

  • Finally, the TRS chief K Chandrashekhara Rao has broken his silence over possibility of an alliance with the Congress in Telangana. After saying a firm 'no' to merger with the Congress, KCR has now ruled out any alliance with the Congress in both Assembly and Lok Sabha elections to be held on April 30.

  • The Bharatiya Janata Party's much anticipated list of Lok Sabha candidates is expected shortly which will end the the suspense over who will contest from Varanasi - its prime ministerial candidate Narendra Modi or party veteran Murli Manohar Joshi.

  • The Delhi High Court has confirmed death penalty to all four convicts of the December 16 Delhi gangrape and murder case. The four were convicted in September 2013 for raping and murdering a 23-year-old paramedical student.

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    Home >> Biology >> Components Of Food

    Components Of Food

    What are the main food groups

    The main food groups are energy giving,body building and protective food.

    What is a balanced diet

    A diet which contains all the important nutrients in the right amount is called a complete or a balanced diet.

    Which nutrients are needed in small quantities only

    The nutrients needed in small quantites only are minerals and vitamins.

    What is roughage

    Roughage is a fibre present in fruits and vegetables .It is a carbohydrate called cellulose.

    Why is fat important in our diet?

    Fat is very important in our diet because fats are stored mainly under the skin of the body.They provide energy particularly when the body runs short of carbohydrates.They therefore work like the body's energy banks .The fat under the skin acts as an insulator cutting down heat loss in cold weather.It helps to keep the body warm.

    What are minerals

    Minerals are salts that contain certain chemical elements.

    If a child has rickets which part of the body is affected

    If a child has rickets the part of the body affected are bones.

    Name the two kinds of carbohydrates that provide us with energy

    The two kinds of carbohydrates that provide us with energy are sugar and starch.

    What happens when there is shortage of proteins in a child's diet

    When there is shortage of protein in a child's diet then a child suffers from kwashiorkar.

    What is anaemia

    Anemia is a disease in which RBCs decrease.It is caused by deficiency of iron in diet.

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