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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-9

  • question_answer
    Which one of the following hormones contains iodine?

    A)  Thyroxine                    

    B)  Testosterone     

    C)         Insulin 

    D)         Adrenaline

    Correct Answer: A

    Solution :

    Thyroxine hormone and tri-iodothyronine hormone are secreted by thyroid follicular cells of thyroid gland. The major component of thyroxine hormone is iodine. Deficiency of iodine causes goitre in human.


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