In an embryo sac, the cells that degenerate after fertilisation are
synergids and primary endosperm cell
synergids and antipodals
antipodals and primary endosperm cell
egg and antipodals
While planning for an artificial hybridisation programme involving dioecious plants, which of the following steps would not be relevant?
Bagging of female flower
Dusting of pollen on stigma
Emasculation
Collection of pollen
In the embryos of a typical dicot and a grass, true homologous structures are
coleorrhiza and coleoptile
coleoptile and scutellum
cotyledons and scutellum
hypocotyl and radicle
The phenomenon observed in some plants where in parts of the sexual apparatus is used for forming embryos without fertilisation is called
parthenocarpy
apomixis
vegetative propagation
sexual reproduction
In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be
haploid
diploid
a few haploid and a few diploid
with varying ploidy