WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    Megasporangium is equivalent to

    A)  embryo sac      

    B)  fruit

    C)  nucellus         

    D)  ovule

    Correct Answer: D

    Solution :

     An ovule (megasporangium) generally has a single embryo sac formed from a megaspore through reduction division. It is a small structure attached to the placenta by means of a stalk called funicle. Ovule \[\to \] Megaspore Mother Cell (MMC) by meiosis \[\to \] Megaspore Each has one or two protective envelopes called integuments. Nucellus is a mass of cells enclosed with the integuments. Fruits develop from the ovary of flower, other floral parts degenerate and fall off.


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