In angiosperms endosperm is formed by
Free nuclear divisions of megaspore
Division of fused polar nuclei
Division of fused polar nuclei and male gamete
Division of fused synergids and male gamete
Milky water of tender coconut is
The endosperm in angiosperm develops from
The endosperm found in angiospermic seed is different from that of gymnosperms in the sense that, in the former
Double endosperm is found in