Biology

Question

31. Where in an angiosperm would you find a megasporangium?

a. inside the tip of a pollen tube

b. within an ovule contained within an ovary of a flower

c. packed into pollen sacs within the anthers found on a stame

d. enclosed in the stigma of a flower

e.

in the style of a flower

Answer

b. within an ovule contained within an ovary of a flower.

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Megasporangium is a structure that produces megaspores, which develop into female gametophytes in angiosperms. In angiosperms, the megasporangium is located within an ovule contained within an ovary of a flower. The ovary is the female reproductive organ of the flower, and it contains one or more ovules. Each ovule contains a megasporangium, which produces a single functional megaspore. The megaspore then undergoes mitosis to produce a multicellular female gametophyte, which contains the egg cell that will be fertilized by a sperm cell during sexual reproduction.