Which one of the following is a reference to xenogamy?

Question

Which one of the following is a reference to xenogamy? (A) Ripening of androecium earlier to gynoecium (B) Pollen grains of one flower reaching the stigma of another flower present on the same plant (C) Pollen grains of one flower, reaching the stigma of another flower present on a different plant of the same species (D) The inability of pollen to germinate on the stigma of the same flower

Tardigrade Admin · Accepted Answer

Transfer of pollen grains to the stigma of another flower is known as cross-pollination. It is further classified depending on whether the pollination has occured between two flowers on the same plant, ie, geitonogamy or between two flowers on different plants, ie, xenogamy.

Q. Which one of the following is a reference to xenogamy?

Ripening of androecium earlier to gynoecium

Pollen grains of one flower reaching the stigma of another flower present on the same plant

Pollen grains of one flower, reaching the stigma of another flower present on a different plant of the same species

The inability of pollen to germinate on the stigma of the same flower

Transfer of pollen grains to the stigma of another flower is known as cross-pollination. It is further classified depending on whether the pollination has occured between two flowers on the same plant, ie, geitonogamy or between two flowers on different plants, ie, xenogamy.