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1.Sexual Reproduction in Flowering Plants
medium
Which one of the following is an example of cleistogamy?
A
Sunflower
B
Vallisneria
C
Commelina
D
Calotropis
Solution
In cleistogamy, bisexual flowers never open; therefore, the pollen grains may only pollinate the stigma of the same flower, e.g., Commelinabenghalensis.
Standard 12
Biology