Final answer:
The correct path of sperm from the pollen grain to the female gametophyte in angiosperms is: stigma, style, ovary, ovule, and then the egg. Pollen lands on the stigma and grows a tube down the style to reach the ovary, where it fertilizes the egg inside the ovule.
Step-by-step explanation:
The Correct Path of Sperm from Pollen Grain to Female Gametophyte in Angiosperms
The correct path followed by the sperm from the pollen grain to the female gametophyte in angiosperms is as follows: the pollen grain lands on the stigma, after which a pollen tube extends and grows down the style and enters the ovary. Once inside the ovary, the sperm reaches the ovule, where it fertilizes the egg. Therefore, the correct sequence is a. Stigma, style, ovary, ovule, egg.
During this process, the male reproductive organs called stamens, which contain anthers and filaments, produce the pollen grains. The female reproductive structure, the pistil or carpel, encompasses the stigma, style, and ovary. After depositing on the stigma, the pollen grain germinates, and the sperm is transported via the pollen tube to the ovule, where it fertilizes the egg to form a zygote, eventually developing into a seed.