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    science
    Grade-10
    Easy

    Question

    A gametophyte is __________ in nature.  

    1. Haploid

    2. Diploid

    3. Triploid

    4. None of the above

    Hint:

    A diploid zygote is formed by the fusion of gametes.

    The correct answer is:

    Haploid

      In plants and algae, alteration of generation includes two stages: sporophyte and gametophyte. The two stages are also termed as asexual and sexual phases.
      Sporophyte is the multicellular diploid stage of the plant. This forms the asexual phase. The meiosis of sporophyte produces haploid spores.
      Gametophyte is the haploid multicellular stage that develops from the haploid spores. These form the sexual phase.
      The haploid gametes fuse together to form diploid zygote.

      • Sporophyte stage is also called asexual phase
      • Gametophyte stage is also called sexual phase

      Related Questions to study

      Grade-10
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      In sexual reproduction ______ gametes fuse to form _________ zygote.

      1. Diploid, haploid

      2. Diploid, diploid

      3. Haploid, diploid

      4. Haploid, haploid

      In sexual reproduction ______ gametes fuse to form _________ zygote.

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      1. Diploid, haploid

      2. Diploid, diploid

      3. Haploid, diploid

      4. Haploid, haploid

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      In plants which of the following are produced by meiosis?

      1. Haploid gametes

      2. Haploid spores

      3. Diploid sporophyte

      4. Diploid spores

      In plants which of the following are produced by meiosis?

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      1. Haploid gametes

      2. Haploid spores

      3. Diploid sporophyte

      4. Diploid spores

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      A sporophyte produces _____.

      1. Gametes

      2. Spores

      3. Zygote

      4. None of the above

      A sporophyte produces _____.

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      1. Gametes

      2. Spores

      3. Zygote

      4. None of the above

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      Which life cycle is seen in Chlamydomonas?

      1. Haplontic

      2. Diplontic

      3. Haplo-diplontic

      4. None of the above

      Which life cycle is seen in Chlamydomonas?

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      1. Haplontic

      2. Diplontic

      3. Haplo-diplontic

      4. None of the above

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      Which of the following is correct regarding spores?

      1. Spores have a single set of chromosomes.

      2. Spores have two copies of chromosomes.

      3. Spores have three copies of chromosome.

      4. None of the above

      Which of the following is correct regarding spores?

      scienceGrade-10

      1. Spores have a single set of chromosomes.

      2. Spores have two copies of chromosomes.

      3. Spores have three copies of chromosome.

      4. None of the above

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      What is the pattern followed in the alternation of generations in plants?

      1.  Rotating haploid and diploid generations.
      2. Every third generation is diploid, the rest are haploid.
      3. Every generation of plants starts with a haploid cell.
      4. Every generation of plants starts with diploid cells.

      What is the pattern followed in the alternation of generations in plants?

      scienceGrade-10
      1.  Rotating haploid and diploid generations.
      2. Every third generation is diploid, the rest are haploid.
      3. Every generation of plants starts with a haploid cell.
      4. Every generation of plants starts with diploid cells.
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      The method of reproduction where a parent organism breaks into fragments that are capable of developing into a new organism is called:

      1. Budding

      2. Fragmentation

      3. Vegetative reproduction

      4. Binary fission

      The method of reproduction where a parent organism breaks into fragments that are capable of developing into a new organism is called:

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      1. Budding

      2. Fragmentation

      3. Vegetative reproduction

      4. Binary fission

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      ____________ are produced by sporophyte.

      1. Gametes

      2. Gametes

      3. Spores

      4. Pollen

      ____________ are produced by sporophyte.

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      1. Gametes

      2. Gametes

      3. Spores

      4. Pollen

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      A diplontic life cycle is observed in:

      1. Chlamydomonas

      2. Bryophytes

      3. Algae

      4. All of the above

      A diplontic life cycle is observed in:

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      1. Chlamydomonas

      2. Bryophytes

      3. Algae

      4. All of the above

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      A gametophyte produces _____.

      1. Gametes

      2. Spores

      3. Zygote

      4. None of the above

      A gametophyte produces _____.

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      1. Gametes

      2. Spores

      3. Zygote

      4. None of the above

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      The sporophyte generation is:

      1. Diploid and multicellular

      2. Haploid and unicellular

      3. Haploid and multicellular

      4. Diploid and unicellular

      The sporophyte generation is:

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      1. Diploid and multicellular

      2. Haploid and unicellular

      3. Haploid and multicellular

      4. Diploid and unicellular

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      Syngamy means:

      1. Fusion of gametes

      2. Fusion of two similar spores

      3. Fusion of two dissimilar spores

      4. Fusion of cytoplasm

      Syngamy means:

      scienceGrade-10

      1. Fusion of gametes

      2. Fusion of two similar spores

      3. Fusion of two dissimilar spores

      4. Fusion of cytoplasm

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      In what type of asexual reproduction formation of an outgrowth takes place in an organism:

      1. Budding

      2. Binary fission

      3. Parthenogenesis

      4. Vegetative propagation

      In what type of asexual reproduction formation of an outgrowth takes place in an organism:

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      1. Budding

      2. Binary fission

      3. Parthenogenesis

      4. Vegetative propagation

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      _________ is the process in which a cell divides to produce two identical cells.

      1. Binary fission

      2. Parthenogenesis

      3. Multiple fission

      4. Fragmentation

      _________ is the process in which a cell divides to produce two identical cells.

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      1. Binary fission

      2. Parthenogenesis

      3. Multiple fission

      4. Fragmentation

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      Alternation of generation occur in ______________.

      1. Bryophytes

      2. Bryophytes

      3. Algae

      4. All of the above

      Alternation of generation occur in ______________.

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      1. Bryophytes

      2. Bryophytes

      3. Algae

      4. All of the above

      parallel

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