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Question : Mention two strategies evolved to prevent self -pollination in flowers .

Answer»

Solution :(i) DICHOGAMY : Maturation of anther and stigma of a flower at DIFFERENT times . Therefore self pollination is not possible in bisexual flowers .
(ii) Dicliny : (unisexually ) . The stamens and carpels occur in different flowers .
Self sterility : The pollen GRAINS of a bisexual flower are not able to develop its growth on the stigma of the same flower .


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