WB JEE Medical WB JEE Medical Solved Paper-2014

  • question_answer
    Juvenile hormone in insect is released from

    A)  protocerebrum     

    B)  corpora cardiaca

    C)  corpora allata      

    D)  thoracic gland

    Correct Answer: C

    Solution :

     Juvenile hormones are a group of a cyclic sesquiterprenoids which tend to regulate many aspects of insect physiology, i.e., they regulate    development,    reproduction diapause and polyphenisms in them. They are  secreted by a pair of endocrine glands behind the brain called corpora allata. These hormones are also important for the   production of eggs in female insects.


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