18.A type of pollination which is achieved within the same flower is called as: A. Geitonogamy B. Xenogamy C. Autogamy D. Hologamy
Option C Pollination occurs in the same flower of a plant is called Autogamy. It is also a type of self-pollination. Xenogamy and Allogamy are the same things and type of cross-pollination in which pollen grains from the flower of one plant transfer to the stigma of the flower of another plant.
