Which of the Following Structures Gives Rise to Endosperm

Question

Which of the following structures gives rise to endosperm?  
A) Zygote formed from the fusion of a sperm and an egg
B) Triploid cell formed during double fertilization
C) Inner wall of the ovary
D) Cytoplasm of the megaspore
E) Cytoplasm of the microspore

Accepted Answer

The triploid cell formed during double fertilization gives rise to the endosperm, which nourishes the developing embryo in angiosperms. The zygote formed from the fusion of a sperm and an egg develops into the embryo, while the inner wall of the ovary develops into the fruit. The cytoplasm of the megaspore and microspore are not involved in endosperm formation.