Home ยป In gymnosperms, the development of pollen grains occurs in Plant kingdom MCQs In gymnosperms, the development of pollen grains occurs in January 31, 2022 10 Views Q. In gymnosperms, the development of pollen grains occurs in A. Strobili B. Microsporangia C. Megasporangia D. Macrosporangia Answer: Microsporangia