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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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Most Upvoted Answer
Which of the following is incorrect about haplontic life cycle?a)Gamet...
Haplontic life cycle is a type of life cycle in which the haploid stage is the dominant phase. The following is incorrect about haplontic life cycle:

Incorrect statement: Sporophytes are free-living.

Explanation:

- Dominant phase: In haplontic life cycle, the gametophytes are the dominant phase, while the sporophytes are the short-lived and dependent phase.
- Spore formation: The sporophyte produces haploid spores by meiosis, which are released into the environment.
- Gametophyte formation: The spores develop into haploid gametophytes by mitotic division.
- Gamete formation: The gametophytes produce gametes (sperm and egg) by mitosis.
- Fertilization: The gametes fuse to form a diploid zygote, which develops into a sporophyte.
- Sporophyte phase: The sporophyte phase is short-lived and dependent on the gametophyte phase for nutrition. It produces spores by meiosis and the cycle starts again.

Therefore, the correct statement about haplontic life cycle is that sporophytes are dependent on the gametophyte phase for nutrition and are not free-living.
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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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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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