Secondary nucleus in the middle of an embryo sac of angiosperms is
Diploid
Triploid
Tetraploid
Haploid
The nutritive tissue present in the ovule is called
Definations / Explanation :
$1.$ Micropyle
$2.$ Chalaza
The ovule of an angiosperm is technically equivalent to
The haploid cell which divides by mitosis to form embryosac is
Identify the type of ovary in diagram