AP BIOLOGY

Detailed explanation-1: -In angiosperms, pollen is produced by the anthers of the stamens in flowers. In gymnosperms, it is formed in the microsporophylls of the microstrobili (male pollen cones). Pollen consists of one or more vegetative cells and a reproductive cell.

Detailed explanation-2: -Final answer: Pollen grains are produced in anther.

Detailed explanation-3: -Anther: The part of the stamen where pollen is produced.

Detailed explanation-4: -Pollen grains are the male gametes. These are formed in the anther sac, by meiosis cell division each microspore mother cells produces four microspores or pollen grains.