Question

Mention any two characteristics of pollen in plant such as maize and coconut plain to suit the kind of pollination in them.

Answer 1

Answer :

Pollination is the transfer of pollen grains from anther to the stigma of a pistil.

(i)Autogamy is the transfer of pollen grains from anther to the stigma of the same flower. Anthers and the stigma lie close to each other in a way that self-pollination occurs, i.e. cleistogamous flowers, which produce assured seed-set even in the absence of pollinators.

(ii)Geitonogamy is the transfer of pollen grains from anther to the stigma of another flower of same plant. It is genetically similar to autogamy but functionally involves cross-pollination.

(iii)Xenogamy is the transfer of pollen grains from anther to the stigma of a different plant flower.