What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.
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7. What are chasmogamous flowers? Can cross-pollination occur in

cleistogamous flowers? Give reasons for your answer.? 

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: The anther and stigma of chasmogamous flowers are exposed for

pollination. Cleistogamous flowers are incapable of cross-pollination. Therefore,

only self-pollination is caused by these closed flowers. During the dehiscence

process of cleistogamous flowers, anthers dehisce into closed flowers. As a result,

pollen grains are exposed to stigma. Therefore, it is impossible for cross-

pollination to occur, such as Oxalis and Viola.

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