Which of the following statements is not true?

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 statements is correct regarding maize?

Select the incorrect statement from the following.

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

Identify the correct statement regarding the structure shown in the image: