Through which route does the pollen tube enter the ovule?

Study the following statements and choose the correct option.
$I-$ Tapetum nourishes the developing pollen grains.
$II-$ Hilum represents the junction between ovule and funicle.
$III-$ In aquatic plants such as water hyacinth and water lily,pollination is by water.
$IV-$ The primary endosperm nucleus is triploid.

Approximately how tall is the inflorescence of the Century plant (Agave)?

In angiosperms,microsporogenesis and megasporogenesis

Pollen extract stimulates the formation of fruit in the unpollinated carpel because the extract contains the following hormone:

Identify the incorrect statement.