AMU Medical AMU Solved Paper-2005

  • question_answer
    When gynoecium is present in the topmost position of thalamus, the flower is known as

    A)  inferior                                               

    B)  epigynous

    C)  perigynous                       

    D)  hypogynous

    Correct Answer: D

    Solution :

                     Hypogynous flower (Hypo-below, gyny-ovary): Thalamus is conical or convex with gynoecium at top and other parts below it, ovary is superior and other parts inferior, eg, mustard, petunia China rose. If the ovary is fused with the thalamus so that sepals, petals and stamens arise from its top like the style. The condition is known as inferior. Epigynous flower (Epi-upon, gynae-ovary) Thalamus is hollowed out and fused with ovary other flower organs appear at the top of ovary. Gynoecium is inferior, while other parts are superior, eg, sunflower, carrot, guava etc. Perigynous flower (Peri-around, gyny-ovary): Gynoecium is superior and other floral organ inferior. Thalamus does not fuse with ovary, eg, pea, plum, rose etc.


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