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If both male and female flowers are present on the same plant, such as castor and maize
- a)It allows both geitonogamy and autogamy
- b)It prevents geitonogamy but not autogamy
- c)It prevents autogamy but not geitonogamy
- d)It allows xenogamy but not geitonogamy
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
If both male and female flowers are present on the same plant, such as...
Explanation:
Plants have different types of flowers depending on the species. Some plants have separate male and female flowers, while others have both male and female flowers on the same plant. In the latter case, it is important to understand the implications of having both types of flowers on the same plant.
Geitonogamy and Autogamy:
Geitonogamy is the transfer of pollen from one flower to another flower on the same plant. Autogamy is the transfer of pollen from the same flower to the stigma of the same flower. In plants that have both male and female flowers on the same plant, both geitonogamy and autogamy are possible.
Prevention of Autogamy:
If a plant has both male and female flowers on the same plant, it prevents autogamy but not geitonogamy. This is because self-pollination in these plants is not favored as it reduces genetic diversity, and the plant has mechanisms to avoid it. The plant may have physical barriers such as the separation of male and female flowers, or the timing of pollen release and stigma receptivity may be different, preventing self-pollination.
Allowance of Geitonogamy:
However, the plant allows geitonogamy, which is the transfer of pollen from one flower to another flower on the same plant. This is because geitonogamy is still a form of cross-pollination, and it increases the chances of successful fertilization and genetic diversity. The plant may have mechanisms such as differences in the timing of male and female flower maturation to promote geitonogamy.
Examples:
Castor and maize are examples of plants that have both male and female flowers on the same plant. In both cases, the plant prevents autogamy but allows geitonogamy. This ensures genetic diversity and increases the chances of successful fertilization.
Conclusion:
In conclusion, plants that have both male and female flowers on the same plant prevent autogamy but allow geitonogamy. This ensures genetic diversity and increases the chances of successful fertilization. Castor and maize are examples of such plants.
Plants have different types of flowers depending on the species. Some plants have separate male and female flowers, while others have both male and female flowers on the same plant. In the latter case, it is important to understand the implications of having both types of flowers on the same plant.
Geitonogamy and Autogamy:
Geitonogamy is the transfer of pollen from one flower to another flower on the same plant. Autogamy is the transfer of pollen from the same flower to the stigma of the same flower. In plants that have both male and female flowers on the same plant, both geitonogamy and autogamy are possible.
Prevention of Autogamy:
If a plant has both male and female flowers on the same plant, it prevents autogamy but not geitonogamy. This is because self-pollination in these plants is not favored as it reduces genetic diversity, and the plant has mechanisms to avoid it. The plant may have physical barriers such as the separation of male and female flowers, or the timing of pollen release and stigma receptivity may be different, preventing self-pollination.
Allowance of Geitonogamy:
However, the plant allows geitonogamy, which is the transfer of pollen from one flower to another flower on the same plant. This is because geitonogamy is still a form of cross-pollination, and it increases the chances of successful fertilization and genetic diversity. The plant may have mechanisms such as differences in the timing of male and female flower maturation to promote geitonogamy.
Examples:
Castor and maize are examples of plants that have both male and female flowers on the same plant. In both cases, the plant prevents autogamy but allows geitonogamy. This ensures genetic diversity and increases the chances of successful fertilization.
Conclusion:
In conclusion, plants that have both male and female flowers on the same plant prevent autogamy but allow geitonogamy. This ensures genetic diversity and increases the chances of successful fertilization. Castor and maize are examples of such plants.
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Community Answer
If both male and female flowers are present on the same plant, such as...
Geitonogamy occurs on monoecious plant.
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If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer?
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If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer?.
If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If both male and female flowers are present on the same plant, such as castor and maizea)It allows both geitonogamy and autogamyb)It prevents geitonogamy but not autogamyc)It prevents autogamy but not geitonogamyd)It allows xenogamy but not geitonogamyCorrect answer is option 'C'. Can you explain this answer?.
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