Nucellar embryo is
Apomictic embryo
Amphimictic haploid
Adventitive embryony
Amphimictic diploid
It’s obvious.
Dichogamy which helps in cross pollination is a floral mechanism in which
Apogamy is
$A$ : Tetraploid gametophyte can be produced from tetraploid sporophyte by means of apogamy. $R$ : Apogamy involves fertilisation, not meiosis.
If a sporangium is derived from a single cell, it is called
Confusing about what to choose? Our team will schedule a demo shortly.