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What is the process called when pollen lands on the stigma of a flower of a different plant of the same kind?
  • a)
    Self-pollination
  • b)
    Cross-pollination
  • c)
    Fertilisation
  • d)
    Germination
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What is the process called when pollen lands on the stigma of a flower...
Cross-pollination occurs when pollen from a flower lands on the stigma of a different plant of the same kind. This helps in genetic diversity and the creation of healthy plants.
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What is the process called when pollen lands on the stigma of a flower...
Understanding Cross-Pollination
Cross-pollination is a vital process in the reproductive cycle of flowering plants. It occurs when pollen from the anther of one flower lands on the stigma of a flower of a different plant of the same species. This process enhances genetic diversity and is crucial for the evolution and adaptability of plant populations.
Key Aspects of Cross-Pollination:
- Definition: Cross-pollination specifically involves the transfer of pollen between different individuals of the same species, as opposed to self-pollination, where pollen from a flower fertilizes its own ovules.
- Mechanisms: Cross-pollination can occur through various agents, including:
- Wind
- Insects (like bees and butterflies)
- Birds
- Water
- Benefits: The advantages of cross-pollination include:
- Increased genetic diversity, leading to more resilient plant populations.
- Higher rates of seed production and better quality seeds.
- Enhanced adaptability to environmental changes.
- Contrast with Self-Pollination: While self-pollination ensures that a plant can reproduce even in isolation, it does not promote genetic variation as effectively as cross-pollination does.
Conclusion:
In summary, cross-pollination is a fundamental process in botany that promotes genetic diversity and strengthens the resilience of plant species. Understanding this process is essential for appreciating how ecosystems function and evolve over time.
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Community Answer
What is the process called when pollen lands on the stigma of a flower...
When the Pollen grains land on the stigma of a flower of a different plant of the same species it is known as cross pollination.
when pollen grains land on the stigma of a flower of the same plant or another flower on the same plant it is known as self pollination.
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What is the process called when pollen lands on the stigma of a flower of a different plant of the same kind?a)Self-pollinationb)Cross-pollinationc)Fertilisationd)GerminationCorrect answer is option 'B'. Can you explain this answer?
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