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Home » In which one of the following, both autogamy and geitonogamy are prevented? (1) Maize (2) Wheat (3) Papaya (4) Castor
In which one of the following, both autogamy and geitonogamy are prevented?
(1) Maize
(2) Wheat
(3) Papaya
(4) Castor
biology
In which one of the following, both autogamy and geitonogamy are prevented?
(1) Maize
(2) Wheat
(3) Papaya
(4) Castor

Option (3) Papaya is correct.

This is because –  Papaya is a dioecious plant in which male and female flowers are produced on two separate plants. Hence it prevents both autogamy as well as geitonogamy.
Castor and Maize : Monoecious and unisexual
Wheat : Monoecious and bisexual

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