Which is the most logical sequence with reference to the life cycle of angiosperms?

Sexual reproduction leads to

Which of the following statements is correct?

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.

Normally,the number of chromosomes in the nuclei of gametes that fuse at fertilization are

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Sporopollenin	$(1)$ Spindle-shaped nucleus
$(b)$ Cellulose,Pectin	$(2)$ Exine
$(c)$ Vegetative cell	$(3)$ Intine
$(d)$ Generative cell	$(4)$ Irregularly shaped nucleus