Select the incorrect statement.

Pollen grains can be stored for a long period in $......$ at $......$ $^oC$.

Which of the following statements is true?

Which one of the following statements is wrong?

Explain post-fertilization events.

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.