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Question

In maize, the flowers are

A
Absent
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B
Unisexual but on different plants
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C
Bisexual
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D
Unisexual but on the same plant
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Solution

The correct option is D Unisexual but on the same plant
The maize plant depicts the monoecious condition. It implies that the plant has both the male flowers (staminate) and female flowers (pistillate). So, the plant becomes bisexual. However, the flowers are unisexual or imperfect. They do not have both the male and female reproductive whorls present with the single flower. They occur separately on the same plant. If pollination occurs between these flowers, it is called geitonogamy, which is a type of self-pollination because the flowers are actually on the same plant
So, the correct answer is 'Unisexual but on the same plant'

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