Which is an incorrect statement for wind-pollinated plants?

Pollination in this group occurs through wind,insects,and birds.

Identify the set of correct statements:
$A$. The flowers of Vallisneria are colourful and produce nectar.
$B$. The flowers of water lily are not pollinated by water.
$C$. In most of water-pollinated species,the pollen grains are protected from wetting.
$D$. Pollen grains of some hydrophytes are long and ribbon like.
$E$. In some hydrophytes,the pollen grains are carried passively inside water.
Choose the correct answer from the options given below.

Which of the following is $NOT$ a characteristic of cleistogamous flowers?

Transfer of pollen to the stigma of another flower of the same plant is called.

Wind pollination is common in