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Solution


Q.

Which one of the following may require pollinators, but is genetically similar to autogamy             [2015]
1 Apogamy  
2 Cleistogamy  
3 Geitonogamy  
4 Xenogamy  

Ans.

(3)

Geitonogamy involves transfer of the pollen from one flower of a plant to the stigma of another flower of the same plant, e.g., in maize. As the pollen has to move from one flower to another flower, it requires a pollinating agent. Yet it is genetically similar to autogamy, as both the flowers of the plant, share the same genotype of the plant.