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Question

Both autogamy and geitonogamy cannot occur in

A
Papaya
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B
Cucumber
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C
Castor
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D
Maize
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Solution

The correct option is A Papaya
Autogamy is the kind of self pollination in which pollens are transferred from the anther to the stigma of the same flower. Geitonogamy is the kind of self pollination in which pollens are transferred from the anther of one flower to the stigma of another flower on the same plant.
Papaya is a dioecious plant i.e. it has male and female flowers on separate plants. Hence, neither Autogamy nor Geitonogamy can occur. So, the correct answer is A.

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