Alternation of Generations in Plants
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Questions and Answers

What is the main concept discussed in the text?

  • Reproduction in animals
  • Alternation of generations (correct)
  • Alternation of chromosomes
  • Genetic mutations
  • Which generation in the alternation of generations produces gametes by mitosis?

  • Sporophyte (2n)
  • Haploid generation
  • Gametophyte (n) (correct)
  • Diploid generation
  • What defines the Dominance of generation in the alternation of generations?

  • Presence of chlorophyll
  • Meiosis process
  • Size of the generation
  • When meiosis & fertilization occur during life cycle (correct)
  • What is the result of meiosis in the life cycle of plants?

    <p>Production of spores</p> Signup and view all the answers

    In which organisms does meiosis immediately follow fertilization in their life cycle?

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

    What distinguishes the life cycle of vascular plants from bryophytes?

    <p>Duration of haploid state</p> Signup and view all the answers

    Which generation in the alternation of generations is dominant in higher plants?

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

    What type of plants have a dominant gametophyte generation?

    <p>Non-vascular plants</p> Signup and view all the answers

    What defines isomorphic alternation of generations?

    <p>Similar looking sporophyte and gametophyte</p> Signup and view all the answers

    Which process produces haploid spores that develop into multicellular haploid gametophytes?

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

    What characterizes heteromorphic alternation of generations?

    <p>Different looking sporophyte and gametophyte</p> Signup and view all the answers

    What is an evolutionary trend observed in the nature of the two generations as per the text?

    <p>Gradual increase in dominance of sporophyte generation</p> Signup and view all the answers

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