Masses of pollen grains i.e. pollinia is found in | Filo
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Class 12



Sexual Reproduction in Flowering Plants

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Masses of pollen grains i.e. pollinia is found in

  1. Orchidaceae
  2. Solanaceae
  3. Malvaceae
  4. Gramineae
Correct Answer: Option(a)
Solution: Orchidoideae have a single terminal stamen and the anthers produce one or more waxy masses of pollen called as pollinia. The gynoecium consists of a single compound pistil of 3 carpels that together with the androecium comprises the column. The stigma is proximal to the single terminal stamen. The stigma is two or three lobed and the ovary is inferior and has 1 locule with numerous tiny parietal ovules. The fruit is mostly capsular.
So, the correct answer is  'Orchidaceae'
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