In which year did the last flowering of Neelakurinji $(Strobilanthes \text{ kunthiana})$ occur?

Which of the following pairs of structures in plants possess a haploid number of chromosomes?

Which of the following plants possesses flowers on its rhizome?

The zygote develops into an embryo through $.......$ and the primary endosperm cell develops into endosperm tissue through $.......$.

Draw a chart of the life cycle in angiosperms.

Select the correct option from the following statements regarding pollen grains:
$I -$ Pollen grains are rich in nutrients.
$II -$ In recent years,pollen tablets have been used as food supplements.
$III -$ In western countries,a large number of pollen products are available in the market in the form of tablets and syrups.
$IV -$ Pollen consumption has been claimed to increase the performance of athletes and racehorses.
$V -$ Pollen grains can germinate on the stigma after losing their viability.