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1.Sexual Reproduction in Flowering Plants
medium
Bisexual flowers which never open, demonstrate
A
Cleistogamy
B
Allogamy
C
Autogamy
D
None of these
Solution
(a) Some plants never open to ensure complete self-pollination.
This condition is called cleistogamy e.g., Commelina bengalensis, Oxalis, Viola, etc.
The cleistogamous flower are bisexual small, inconspicious, colourless and do not secrete nectar.
Standard 12
Biology
