Botany and Branches


  1. Which one of the following organs breaks down fat to produce cholesterol ?









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    Liver cells secrete bile, biles help in emulsification of fat i.e. breaking down of fats into small micelles.

    Correct Option: B

    Liver cells secrete bile, biles help in emulsification of fat i.e. breaking down of fats into small micelles.


  1. Among the following elements, which one is essential for the transmission of impulses in the nerve fibre ?









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    Sodium, chloride and potassium ions are essential for the transmission of nerve impulses.

    Correct Option: C

    Sodium, chloride and potassium ions are essential for the transmission of nerve impulses.



  1. Biological catalysis in living organisms are known as









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    Enzymes are biological catalysts that increases the rate of reaction without altering its structure.

    Correct Option: D

    Enzymes are biological catalysts that increases the rate of reaction without altering its structure.


  1. Jaundice in human beings is the result of









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    Jaundice in human beings is the result of incomplete metabolism of bilirubin. Bilirubin is a bile pigment that is metabolised and excreted out as sterco-bilinogen in faeces. However when a pathological process interferes with its normal functioning, it leads to jaundice. The symptoms of jaundice is yellowing of skin and eyes due to deposition of bile pigments.

    Correct Option: C

    Jaundice in human beings is the result of incomplete metabolism of bilirubin. Bilirubin is a bile pigment that is metabolised and excreted out as sterco-bilinogen in faeces. However when a pathological process interferes with its normal functioning, it leads to jaundice. The symptoms of jaundice is yellowing of skin and eyes due to deposition of bile pigments.



  1. Among the given nutrients, milk is a poor source of









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    Milk is a poor source of Vitamin C. Citrus, amla, etc are rich source of vitamin C.

    Correct Option: D

    Milk is a poor source of Vitamin C. Citrus, amla, etc are rich source of vitamin C.