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Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYMorphology of Flowering Plants3 Marks
Question
Which structures form gynoecium? How is placenta related to gynoecium? What are its types?
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Answer

Gynoecium is the female reproductive whorl of the flower. It is composed of one or more carpels. Each carpel is differentiated into three parts, i.e., the ovary, style and stigma.

Placenta is the tissue on which ovule(s) develops in the ovary.

The placentation in the ovary may be:

  1. Marginal.
  2. axile.
  3. Parietali.
  4. Basal.
  5. Free-central.

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