Question

it consists of two lobes that contain pollen sacs and pollen grains

Answer 1

In seed plants pollen sac is thee structures that have the pollen grains in it. there are four pollen sac in each Anther in case of Angiosperms in which the microspore mother cells are found. While in Gymnosperms the number of pollen sac varies that are found on the microsporophylls that makes the male cone.

While the two lob structure is called as the Anther that contain pollen sacs.

Answer 2

Answer: The two lob structure is called the Anther that contain pollen sacs.