Answer:
(a)the gynoecium represents the
female reproductive part of the flower and consists of pistil. Each pistil has
three parts, i.e., stigma, style and ovary. Inside the ovarian cavity, the
placenta is located. Arising from the placenta there are the mega sporangia,
commonly called ovules. The functional megaspore undergoing the meiotic
division develops into the female gametophyte or embryo sac.
In option 'b? thalamus is not a part of
gynoecium. Thalamus is the part of flower which form the base on which all the
floral whorls rest upon, it is not associated with gynoecium. In option 'c'
tapetum is not a part of gynoecium.
Tapetum is the inner most
nutritive layer or microsporangium and in option? d'stamens not a part of
gynoecium. Stamen is male reproductive part (androecium) of plant. Therefore,
the other options are wrong.
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