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      Question

      Among the following which condition causes self

      pollination?
      A Cleistogamy Correct Answer Incorrect Answer
      B Homogamy Correct Answer Incorrect Answer
      C Monoecy Correct Answer Incorrect Answer
      D All of these Correct Answer Incorrect Answer

      Solution

      A flower is self-pollinated (a “selfer”) if pollen is transferred to it from any flower of the same plant and cross-pollinated (an “outcrosser” or “outbreeder”) if the pollen comes from a flower on a different plant. Cleistogamy. When pollination and fertilization occur in unopened flower bud, it is known as cleistogamy. Maturation of anthers and stigma of a flower at the same time is called homogamy.  Monoecy is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant.

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