What is the nature of male gametes in angiosperms?

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.

In $Paramecium$,both autogamy and conjugation are considered sexual processes because of:

Papaya and date palm are examples of .......... plants.

How many meiotic divisions are required to produce $100$ seeds/grains of wheat?

The condition in which both male and female reproductive organs are found on the same plant is called: