There is only one female Borasses palm on an island and no male palms. There are a few male Borasses palms on a near by island. Birds fly frequently between these two islands. The female palm produce fruits regularly in every season. What is the agent of pollination?

Harish observed two different types of papaya plants in his garden. One produced male flowers only and the other type produced female flowers as well as fruits. a. What are these type of plants called in which male and female flowers seen separately? b. Name another plant with the same feature. c. If both male and female flowers are seen separately in the same plant, what do you call them? Give examples.