Ploidy level endosperm is

What is ploidy level of endosperm in Angiosperms?

Write is the ploidy level of endosperm cells of gymnosperms?

If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be

If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be

When a diplid female plantis crossed with a tetraplid male, the ploidy level of endosperm cells in the resulting seed is:

When a diploid female plant is crossed with a tetraploid male, the ploidy level of endosperm cells in the resulting seed is:

If the male plant is tetraploid and female plant is diploid, what will be the ploidy level of endosperm after fertilization ?

If the male plant is tetraploid and female plant is diploid, what will be the ploidy level of endosperm after fertilization ?