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Question : How is it possible in Oxalis and Viola plants to produce assured seed sets even in the absence of pollinators? |
| Answer» Solution :Oxalis and Viola produce CLEISTOGAMOUS flowers, in which ANTHERS and stigma lie close to each other. When anthers DEHISCE in the flower buds, the pollen grains fall on the stigma and fertilization is EFFECTED leading to assured seed set. | |