Large stout,nocturnal flowers producing copious nectar and emitting fermenting fruity odour,are the adaptations for

Pollination by wind is called

In which type of pollination does the transfer of pollen grains from the anther to the stigma of the same flower occur?

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.

What are the requirements for anemophily (wind pollination)?

Plants with ovaries having only a single ovule or a few ovules are generally pollinated by ........