Flowers in which insects act as the pollinating agent are called insect pollinated flowers.
Insect pollinated flowers have a bright color with a sweet odor that attracts insects.
These flowers produce nectar and as the insects tend to collect the nectar the pollen grains stick to their body which is carried to the female flower by the insect.
Examples: rose, papaya, sunflower, lotus, etc.
Final Answer: Two examples of plants where pollination occurs through insects are sunflower and papaya.