Type of pollination in Commelina is

Which term is used for the transfer of pollen grains from the anther of one plant to the stigma of a different plant,where genetically different types of pollen grains are brought to the stigma during pollination?

In which of the following types of pollination does pollen grain with different genetic makeup land on the stigma?

In $Ficus$ (Peepal),pollination is effected by:

In how many genera is pollination by water observed?

What type of pollination occurs in cleistogamous flowers?