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Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be
[2011]
- a)smaller and have smaller sex organs
- b)larger but have smaller sex organs
- c)larger and have larger sex organs
- d)smaller and to have larger sex organs
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Compared with the gametophytes of the bryophytes the gametophytes of v...
Gametophytes are the haploid generation of plants that produce gametes (sex cells). In bryophytes (mosses, liverworts, and hornworts), the gametophyte is the dominant generation, while in vascular plants (ferns, gymnosperms, and angiosperms), the sporophyte is the dominant generation. The gametophytes of vascular plants tend to be smaller and have smaller sex organs compared to those of bryophytes.
Explanation:
1. Size of gametophytes:
- Bryophyte gametophytes are typically larger than vascular plant gametophytes.
- Bryophyte gametophytes can range from a few millimeters to several centimeters in size, while vascular plant gametophytes are usually less than a centimeter in size.
- This is because vascular plants have evolved to have a reduced gametophyte stage, as the sporophyte generation is better adapted to life on land.
2. Size of sex organs:
- Bryophyte gametophytes have larger sex organs (archegonia and antheridia) compared to vascular plants.
- This is because bryophytes rely on water to transport sperm to the egg, and larger sex organs provide a larger surface area for sperm to swim towards.
- Vascular plants, on the other hand, have evolved to use pollen and seeds to transport sperm to the egg, and thus do not require as large of sex organs.
3. Adaptations of vascular plant gametophytes:
- Despite being smaller and having smaller sex organs, vascular plant gametophytes have evolved adaptations to help them survive on land.
- For example, they have evolved to be able to photosynthesize and produce their own food, whereas bryophyte gametophytes rely on the sporophyte generation for nutrition.
- Vascular plant gametophytes have also evolved to be more resistant to desiccation and to be able to survive in a wider range of environmental conditions.
In summary, the gametophytes of vascular plants tend to be smaller and have smaller sex organs compared to those of bryophytes, but have evolved adaptations to help them survive on land.
Explanation:
1. Size of gametophytes:
- Bryophyte gametophytes are typically larger than vascular plant gametophytes.
- Bryophyte gametophytes can range from a few millimeters to several centimeters in size, while vascular plant gametophytes are usually less than a centimeter in size.
- This is because vascular plants have evolved to have a reduced gametophyte stage, as the sporophyte generation is better adapted to life on land.
2. Size of sex organs:
- Bryophyte gametophytes have larger sex organs (archegonia and antheridia) compared to vascular plants.
- This is because bryophytes rely on water to transport sperm to the egg, and larger sex organs provide a larger surface area for sperm to swim towards.
- Vascular plants, on the other hand, have evolved to use pollen and seeds to transport sperm to the egg, and thus do not require as large of sex organs.
3. Adaptations of vascular plant gametophytes:
- Despite being smaller and having smaller sex organs, vascular plant gametophytes have evolved adaptations to help them survive on land.
- For example, they have evolved to be able to photosynthesize and produce their own food, whereas bryophyte gametophytes rely on the sporophyte generation for nutrition.
- Vascular plant gametophytes have also evolved to be more resistant to desiccation and to be able to survive in a wider range of environmental conditions.
In summary, the gametophytes of vascular plants tend to be smaller and have smaller sex organs compared to those of bryophytes, but have evolved adaptations to help them survive on land.
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Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer?
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Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. 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 Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer?.
Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. 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 Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer?.
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Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be[2011]a)smaller and have smaller sex organsb)larger but have smaller sex organsc)larger and have larger sex organsd)smaller and to have larger sex organsCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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