From among the situations given below, choose...
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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
- a)Monoecious plant bearing unisexual flowers
- b)Monoecious plant with bisexual flowers
- c)Dioecious plant bearing only male or female flowers
- d)Dioecious plant with bisexual flowers
Correct answer is option 'C'. Can you explain this answer?
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From among the situations given below, choose the one that prevents bo...
Explanation:
Monoecious vs. Dioecious Plants:
- Monoecious plants have both male and female reproductive structures on the same plant.
- Dioecious plants have separate male and female plants.
Autogamy and Geitonogamy:
- Autogamy is the self-pollination of a flower.
- Geitonogamy is the pollination of a flower with pollen from another flower on the same plant.
Preventing Autogamy and Geitonogamy:
- In a monoecious plant bearing unisexual flowers (option a), although there are separate male and female flowers on the same plant, autogamy can still occur if the pollen from the male flower fertilizes the female flower on the same plant.
- In a monoecious plant with bisexual flowers (option b), both male and female reproductive structures are present in the same flower, which can lead to both autogamy and geitonogamy.
- In a dioecious plant bearing only male or female flowers (option c), since male and female flowers are present on separate plants, both autogamy and geitonogamy are prevented. This is because pollen from a male flower on one plant cannot fertilize a female flower on the same plant, thus ensuring cross-pollination between different plants.
- In a dioecious plant with bisexual flowers (option d), although male and female flowers are present on separate plants, the presence of bisexual flowers can still lead to geitonogamy if pollen from a flower on one plant fertilizes a flower on another plant of the same species.
Therefore, option c (Dioecious plant bearing only male or female flowers) is the situation that prevents both autogamy and geitonogamy.
Monoecious vs. Dioecious Plants:
- Monoecious plants have both male and female reproductive structures on the same plant.
- Dioecious plants have separate male and female plants.
Autogamy and Geitonogamy:
- Autogamy is the self-pollination of a flower.
- Geitonogamy is the pollination of a flower with pollen from another flower on the same plant.
Preventing Autogamy and Geitonogamy:
- In a monoecious plant bearing unisexual flowers (option a), although there are separate male and female flowers on the same plant, autogamy can still occur if the pollen from the male flower fertilizes the female flower on the same plant.
- In a monoecious plant with bisexual flowers (option b), both male and female reproductive structures are present in the same flower, which can lead to both autogamy and geitonogamy.
- In a dioecious plant bearing only male or female flowers (option c), since male and female flowers are present on separate plants, both autogamy and geitonogamy are prevented. This is because pollen from a male flower on one plant cannot fertilize a female flower on the same plant, thus ensuring cross-pollination between different plants.
- In a dioecious plant with bisexual flowers (option d), although male and female flowers are present on separate plants, the presence of bisexual flowers can still lead to geitonogamy if pollen from a flower on one plant fertilizes a flower on another plant of the same species.
Therefore, option c (Dioecious plant bearing only male or female flowers) is the situation that prevents both autogamy and geitonogamy.
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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer?
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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer? for 2024 is part of preparation. The Question and answers have been prepared according to the exam syllabus. Information about From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer?.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer? for 2024 is part of preparation. The Question and answers have been prepared according to the exam syllabus. Information about From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for From among the situations given below, choose the one that prevents both autogamy and geitonogamy.a)Monoecious plant bearing unisexual flowersb)Monoecious plant with bisexual flowersc)Dioecious plant bearing only male or female flowersd)Dioecious plant with bisexual flowersCorrect answer is option 'C'. Can you explain this answer?.
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