If diploid chromosome number in a flowering plant is $12$, then which one of the following will have only $6$ chromosomes
Endosperm
Leaf cells
Cotyledons
Synergids
Identify the labelling of given diagrams
Chalazal pole is present
The number of mitotic generations required to form a mature embryo sac in most of the flowering plants is
In angiosperms, microsporogenesis andmegasporogenesis