Question

functions of pollen grains and ovary​

Answer 1

pollen tube formation is important for sexual reproduction to occur in seed plants...... pollen tube act as conduits to transport the male gamete cells from the pollen grain either from the stigma in flowering plants to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms

Answer 2

Explanation:

pollen grains develope from PMC by meiotic division. (2) they help in sexual reproduction. (3) taken as food supplement. (4) help in crop breeding programs. Overly:=(1) it is Basel swollen part of pistil that contains ovules and egg