Archives: Questions and Answers

When does the yolk sac turn into an embryo?

What happens when there is no embryo in the sac?

What is the embryo sac?

What has happened to the endosperm that formed in the embryo sac?

Which of the following describes Self-Pollination? a. Pollen grains are transferred from anther to stigma of another flower. b. Pollen grains are transferred from filament to stigma of the same flower. c. Pollen grains are transferred from anther to stigma of the same flower. d. Pollen grains are transferred from stigma to anther of the … Read more

How does the location of the female gametophyte of gymnosperms compare to that of angiosperms? A. In gymnosperms it is within a cone, and in angiosperms it is within a flower. B. It is found as cells within pollen grains in both gymnosperms and angiosperms. C. An ovule of both gymnosperms and angiosperms contains the … Read more

Which of the following best describes the anthers of a flower? A. Sticky parts of pistils B. Male parts that contain pollen C. Female parts that contain eggs D. Modified leaves below petals

which part of a flower grows into the fruit? the stigma the anther the ovule the ovary