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प्रश्न
Which one of the following prevents cross-pollination?
विकल्प
Cleistogamy
Dichogamy
Heterostyly
Protogyny
MCQ
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उत्तर
Cleistogamy
Explanation:
Cleistogamous flowers remain closed and undergo self-pollination, preventing cross-pollination. Dichogamy, heterostyly and protogyny are outbreeding devices that favour cross-pollination.
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