Identify wind pollinated plant

When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier or fence, it is referred as or when some natural barrier exists between androecium and gynoecium to check self pollination, it is known as

Function of embryonal suspensor in angiosperms is to

The structures which guide the pollen tube into synergid is

Rose plants produce large, attractive bisexual flowers but they seldom produce fruits. On the other hand a tomato plant produces plenty of fruits though they  have small flowers. Analyse the reasons for failure of fruit formation in rose.