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A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life.  What is this dust called?
  • a)
    Pollen
  • b)
    Sperm
  • c)
    Spore
  • d)
    Sporocyst
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A yellow dust appears on the fingers, whenever we touch the middle of ...
The yellow powder is called pollen and the stick that holds it is known as stamen.
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A yellow dust appears on the fingers, whenever we touch the middle of ...
Understanding Pollen
Pollen is the fine, powdery substance produced by flowering plants, and it plays a crucial role in plant reproduction. When you touch the middle part of a flower, you often encounter this yellow dust, which is rich in nutrients and genetic material necessary for fertilization.
What is Pollen?
- Pollen is made up of tiny grains that are released from the male reproductive organs (anthers) of flowers.
- Each grain contains the male gametes (sperm cells) of the plant, which are essential for fertilizing the ovules in the female reproductive organs (pistils).
The Importance of Pollen
- Reproduction: Pollen grains are vital for the sexual reproduction of flowering plants. They enable the transfer of genetic material, leading to the formation of seeds.
- Pollination: Pollen is transferred from one flower to another, often aided by wind, water, or pollinators like bees and butterflies. This process is known as pollination and is critical for the production of fruits and seeds.
- Biodiversity: Pollen contributes to genetic diversity within plant populations, enhancing their adaptability and survival in various environments.
Conclusion
In summary, the yellow dust you see on your fingers when touching a flower is pollen, a vital substance in the reproductive process of plants. Its role in fertilization and pollination makes it one of the most precious substances in nature, essential for food production and maintaining biodiversity in ecosystems.
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A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?a)Pollenb)Spermc)Spored)SporocystCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?a)Pollenb)Spermc)Spored)SporocystCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?a)Pollenb)Spermc)Spored)SporocystCorrect answer is option 'A'. Can you explain this answer?.
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