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Which of the following is incorrect about haplontic life cycle?
  • a)
    Gametophytes are the dominant phase in this life cycle
  • b)
    Sporophytes are free-living
  • c)
    Spores are haploid in nature and form gametophyte by mitotic division
  • d)
    Zygote acts as sporophyte
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Which of the following is incorrect about haplontic life cycle?a)Gamet...
Gametophytes are the dominant phase in this life cycle. Sporophytes don’t have free living existence. Spores are haploid in nature and form gametophyte by mitotic division. Zygote acts as Sporophyte that forms spores.
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Which of the following is incorrect about haplontic life cycle?a)Gamet...
Explanation:

Incorrect statement:

b) Sporophytes are free-living

Corrected explanation:

Haplontic life cycle:

Gametophytes dominant:
- In the haplontic life cycle, gametophytes are the dominant phase.
- Gametophytes produce gametes through mitosis, which then fuse to form a zygote.

Haploid spores:
- Spores are haploid in nature in the haplontic life cycle.
- These spores germinate to form the gametophyte through mitotic division.

Zygote as sporophyte:
- In the haplontic life cycle, the zygote acts as the sporophyte.
- The sporophyte produces haploid spores through meiosis.

Corrected statement:
- Sporophytes are not free-living in the haplontic life cycle.
- The sporophyte is dependent on the gametophyte for nutrition and support.
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In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution.Q. In pteridophytes the dominant form of life is the_______.

In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution. Direction : In the above questions the Assertions (

In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution.Q. The gametophytes are called as________.

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Which of the following is incorrect about haplontic life cycle?a)Gametophytes are the dominant phase in this life cycleb)Sporophytes are free-livingc)Spores are haploid in nature and form gametophyte by mitotic divisiond)Zygote acts as sporophyteCorrect answer is option 'B'. Can you explain this answer?
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Which of the following is incorrect about haplontic life cycle?a)Gametophytes are the dominant phase in this life cycleb)Sporophytes are free-livingc)Spores are haploid in nature and form gametophyte by mitotic divisiond)Zygote acts as sporophyteCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following is incorrect about haplontic life cycle?a)Gametophytes are the dominant phase in this life cycleb)Sporophytes are free-livingc)Spores are haploid in nature and form gametophyte by mitotic divisiond)Zygote acts as sporophyteCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is incorrect about haplontic life cycle?a)Gametophytes are the dominant phase in this life cycleb)Sporophytes are free-livingc)Spores are haploid in nature and form gametophyte by mitotic divisiond)Zygote acts as sporophyteCorrect answer is option 'B'. Can you explain this answer?.
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