The Marvels of Alternation of Generations
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Questions and Answers

Which stage in the life cycle of a plant produces spores through meiosis?

  • Sporophyte
  • Gametophyte
  • Generation two
  • Generation one (correct)
  • What is the ploidy level of the gametophyte stage in plants?

  • Diploid (2n)
  • Triploid (3n)
  • Tetraploid (4n)
  • Haploid (n) (correct)
  • Which group of plants has the gametophyte stage as their dominant stage?

  • Gymnosperms
  • Angiosperms
  • Bryophytes (correct)
  • Ferns
  • Which of the following best describes the alternation of generations in plants?

    <p>Plants alternate between two different stages of life: sporophyte and gametophyte.</p> Signup and view all the answers

    What is the unique nature of plant life cycles called?

    <p>Alternation of Generations</p> Signup and view all the answers

    Which statement accurately describes the alternation of generations in plants compared to animals?

    <p>Plants have an independent multi-celled haploid phase, while animals have single-celled sex cells.</p> Signup and view all the answers

    Which stage of the plant life cycle is haploid?

    <p>Gametophyte</p> Signup and view all the answers

    Which stage of the plant life cycle is diploid?

    <p>Sporophyte</p> Signup and view all the answers

    Which stage of the plant life cycle produces spores?

    <p>Sporophyte</p> Signup and view all the answers

    Which stage of the plant life cycle produces gametes?

    <p>Gametophyte</p> Signup and view all the answers

    Study Notes

    Plant Life Cycle

    • The sporophyte stage in plants produces spores through meiosis.
    • The gametophyte stage in plants has a haploid (1n) ploidy level.
    • Bryophytes, a group of non-vascular plants, have the gametophyte stage as their dominant stage.
    • The alternation of generations in plants can be best described as a cycle where a diploid sporophyte generation alternates with a haploid gametophyte generation.
    • The unique nature of plant life cycles is called alternation of generations.
    • In contrast to animals, plants have an alternation of generations, where a diploid generation produces haploid spores, which then develop into a haploid generation that produces gametes, whereas animals have a single diploid generation that produces gametes.
    • The gametophyte stage in the plant life cycle is haploid (1n).
    • The sporophyte stage in the plant life cycle is diploid (2n).
    • The sporophyte stage in the plant life cycle produces spores.
    • The gametophyte stage in the plant life cycle produces gametes.

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    Test your knowledge on the fascinating phenomenon of Alternation of Generations in plants. Explore the unique life cycle of plants and discover how they defy conventional rules of life.

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