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When the pollen is transferred from anth...

When the pollen is transferred from anther to the stigma of the same flower, the pollination is called autogamy.
Cleistogamous flowers are invariably autogamous. Explain.

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Flowers do not open at all, the anthers and stigma lie close to each other, when the anther dehisce in the flower buds pollen grains come in contact with the stigma, there is no chance of cross-pollen landing on the stigma. (any one of the above responses)
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