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Sexual Reproduction in Flowering Plants question

2013 · Q1
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Sexual Reproduction in Flowering Plants question

2013 · Q1

NEETBiologySexual Reproduction in Flowering PlantsMCQ+4 / −1
Which one of the following statements is correct?
  1. A
    Cleistogamous flowers are always autogamous.
  2. B
    Xenogamy occurs only by wind pollination.
  3. C
    Chasmogamous flowers do not open at all.
  4. D
    Geiotonogamy involves the pollen and stigma of flowers of different plants.
View written solutionFree

Correct answer: A

Cleistogamous flowers do not expose their reproductive parts. Anthers and stigma lie close to each other. Pure autogamy occurs since there is no chance of cross-pollination. Cleistogamy is the most efficient floral adaptation for promoting self-pollination. E.g., Viola mirabilis and Oxalis autosella.

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