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Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
A
Autogamy
B
Xenogamy
C
Geitonogamy
D
Karyogamy
Detailed Solution
Autogamy: transfer of pollen from the anther to the stigma of the same flower.
Geitonogamy: transfer of pollen from the anther to the stigma of another flower of the same plant. It is functionally cross-pollination, since it needs a pollinating agent, but genetically it is similar to autogamy because the pollen comes from the same plant.
Xenogamy: transfer of pollen from the anther to the stigma of a flower of a different plant; it brings genetically different pollen to the stigma.
Karyogamy is the fusion of two nuclei.
Hence the transfer described is geitonogamy.
Geitonogamy: transfer of pollen from the anther to the stigma of another flower of the same plant. It is functionally cross-pollination, since it needs a pollinating agent, but genetically it is similar to autogamy because the pollen comes from the same plant.
Xenogamy: transfer of pollen from the anther to the stigma of a flower of a different plant; it brings genetically different pollen to the stigma.
Karyogamy is the fusion of two nuclei.
Hence the transfer described is geitonogamy.