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Question

Bisexual flowers which never open, demonstrate

A
Cleistogamy
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B
Allogamy
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C
Autogamy
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D
None of these
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Solution

The correct option is A Cleistogamy
Some plants never open to ensure complete selfpollination. This condition is called cleistogamy e.g., Commelina bengalensis , Oxalis, Viola, etc. The cleistogamous flower are bisexual small, inconspicuous, colourless and do not secrete nectar.

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