Question

Cross pollination happens only when the pollen from a flower from a plant is transported to the stigma of the flower of the same species but different plant .

Answer 1

this not only the reason for cross pollination because in cross pollination pollen grains reach other flower from different agents like animals for eg when humming bird suck nectar pollen grains stuck to its beak and if it goes to another plant the pollen grains are transported in other plant