Question

6 adaptive features of self pollination plants

Answer 1

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Self-pollination is when pollen from the same plant arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms). There are two types of self-pollination: in autogamy, pollen is transferred to the stigma of the same flower; in geitonogamy, pollen is transferred from the anther of one flower to the stigma of another flower on the same flowering plant, or from microsporangium to ovule within a single (monoecious) gymnosperm. Some plants have mechanisms that ensure autogamy, such as flowers that do not open (cleistogamy), or stamens that move to come into contact with the stigma. The term selfingthat is often used as a synonym, is not limited to self-pollination, but also applies to other types of self-fertilization
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Answer 2

Self pollination occurs when male parr of the flower of one plant pollinated on the female part of the same plant.

Characteristics of such plants are:

● They have pollen stigma receptivity i.e., the pollen and stigma are matured at the same time.

● Pollen grains and Stigma are compatible.

● Self pollinating plants are not dependant on pollinating agents.

● Plants develop bisexual flowers on the same plant.

● The size and level of Stamen and Style is equal.

● Plants also adapt cleistogamy i.e., pkants can reproduce even when the flowers are closed.