Ans- Monoecious Dioecious Both male and female flowers are present on the plant.Only male or female flowers are present in the plantFlowers are unisexual Flowers are also unisexualBoth self and cross-pollination occursOnly cross-pollination can occurThere is low genetic variation due to homozygosity which is the result of self-pollinationHigh genetic variation and heterozygosity.Reproductive isolation has a low effect on itReproductive isolation has a drastic effectExample- corn and cucurbitsExample- papaya and date palm