The transfer of pollen grains from the anther to the stigma of another flower of the same plant is genetically known as:

In maize,pollination is

Which type of flowers always produce seeds even in the absence of pollinators?

Assertion: $Chasmogamous$ flowers require pollinating agents.
Reason: $Cleistogamous$ flowers do not expose their sex organs.

In which of the following marine grasses does pollination occur via an abiotic agent?

$A$ : Geitonogamy helps in maintaining homozygosity and superiority of the race indefinitely.
$R$ : It is functionally,ecologically and genetically cross-pollination.