In the Life Cycle of an Angiosperm,which of the Following

Question

In the life cycle of an angiosperm,which of the following stages is diploid?
A)megaspore
B)generative nucleus of a pollen grain
C)polar nuclei of the embryo sac
D)microsporocyte
E)both megaspore and polar nuclei

Accepted Answer

The microsporocyte, which undergoes meiosis to produce haploid microspores, is the only diploid stage in the life cycle of an angiosperm. The other listed stages are all haploid or triploid.