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Question :What is cleistogamy ? Write one advantage and one disadvantage of it, to the plant.

Answer»

SOLUTION :Flowers which are never open to ensure self-pollination is called CLEISTOGAMY. They remain closed so that cross-pollination does not occur.
Cleistogamy has the advantage that the PLANT produces assured seed set even in the absence of pollinators and disadvantage is that self-pollination occur which reduces chances of VARIATION and EVOLUTION of genetically superior progeny.


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