A) heterostyly
B) herkogamy
C) dichogamy
D) cleistogamy
Correct Answer: B
Solution :
When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier or fence, or when some natural barriers exist between androecium and gynoecium to check self pollination, it is known as herkogamy, eg, Calotropis.You need to login to perform this action.
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