Comparatively,a large amount of pollen grains are wasted during

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

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

$A$ close relation between flower and pollinating agent is best exhibited by

Pollination in water hyacinth $(Eichhornia)$ occurs through which of the following?

Geitonogamy involves: