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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer
    When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier of fence, it is referred as or when some natural barriers,  exist  between  androecium  and gynoecium to check self pollination, it is known as                                                                                                                                            

    A)  heterostyly      

    B)  herkogamy

    C)  dichogamy       

    D)  cleistogamy

    Correct Answer: B

    Solution :

    When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier or fence, or when some natural barriers exist between androecium and gynoecium to check self pollination, it is known as herkogamy, eg, Calotropis.


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