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BVP Medical BVP Medical Solved Paper-2009

  • question_answer
    When pollen tube enters through micropyle, the process is called

    A)                  porogamy         

    B)  chalazogamy

    C)                  mesogamy        

    D)  apogamy

    Correct Answer: A

    Solution :

                    The pollen tube may enter the ovule by following one of three routes given below :                  Porogamy-Pollen tube enters the ovule through micropyle, eg, most angiosperms.                  Mesogamy-Pollen tube enters the ovule through integuments (eg, Cucurbita) or through funiculus {eg, Pistacia).                  Chalazogamy-Pollen tube enters the ovule through chalazal tissues, eg, Casuarina, Beta vulgaris, Juglens regia, etc.


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