In the gametophytic phase -

For a gene, if $AA = \text{male plant}$ and $BB = \text{female plant}$, find out the genotype of the endosperm and the embryo.

$A$: The life of all organisms begins with a single cell,the zygote.
$R$: The genetic material in the cell is responsible for inheritance.

Which of the following statements is true regarding $Strobilanthus \; kunthiana$ (Neelakuranji)?

Choose the correct option for the given statements:
$(i)$ In western countries, a large number of pollen products in the form of syrups are available in the market.
$(ii)$ In rice, pollen grains lose viability within $30$ minutes of their release.
$(iii)$ Pollen grains are stored at $-196^{\circ}C$ (cryopreservation) in liquid nitrogen, not at room temperature, for future use.
$(iv)$ Pollen grains are released from the anther, not from the seeds of wheat and rice.

Which of the following plants is monoecious?