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Heterospory and seed habit are often discussed in relation to a structure called
[1997]
- a)spathe
- b)bract
- c)petiole
- d)ligule
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Heterospory and seed habit are often discussed in relation to a struct...
Heterospory, development of seed habit and ligulate leaves are important features of Selaginella. The reproductive structure in Selaginella is strobilus. A strobilus have many ligulate sporophylls. Two types of spores are produced in megasporophylls and microsporophylls. Ligule is a small leaf like outgrowth at the base of leaf.
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Heterospory and seed habit are often discussed in relation to a struct...
Heterospory and seed habit in relation to the ligule structure
Heterospory and seed habit are two important concepts in plant reproduction that are often discussed in relation to the ligule structure. The ligule is a small, thin, and often membranous structure found at the base of the leaf blade in many plants. It is particularly prominent in grasses and some other monocots.
1. Heterospory
Heterospory refers to the production of two different types of spores by a plant. These spores, known as megaspores and microspores, differ in size and give rise to female and male gametophytes, respectively.
2. Seed Habit
Seed habit is a characteristic feature of gymnosperms and angiosperms. Seeds are structures that contain an embryo, along with a food supply, surrounded by a protective seed coat. Seeds play a vital role in plant reproduction, dispersal, and survival.
Relation to the Ligule
The ligule is not directly related to heterospory or seed habit. It is primarily involved in leaf morphology and function. However, the ligule can indirectly impact these reproductive processes in two ways:
1. Protection of Sporangia
In some plants, the ligule may partially cover or protect the sporangia, which are the structures that produce spores. This protection can prevent damage to the sporangia and ensure the successful production and dispersal of spores.
2. Enhancing Leaf Function
The ligule can also contribute to the overall function of the leaf, which plays a crucial role in the plant's reproductive success. By providing structural support and assisting in the regulation of water and gas exchange, the ligule helps maintain optimal conditions for spore production and germination.
Conclusion
While heterospory and seed habit are not directly related to the ligule structure, the presence of a ligule can indirectly impact plant reproduction by protecting sporangia and enhancing leaf function. Understanding the functions and adaptations of various plant structures, including the ligule, is essential for comprehending the complexities of plant reproduction and survival.
Heterospory and seed habit are two important concepts in plant reproduction that are often discussed in relation to the ligule structure. The ligule is a small, thin, and often membranous structure found at the base of the leaf blade in many plants. It is particularly prominent in grasses and some other monocots.
1. Heterospory
Heterospory refers to the production of two different types of spores by a plant. These spores, known as megaspores and microspores, differ in size and give rise to female and male gametophytes, respectively.
2. Seed Habit
Seed habit is a characteristic feature of gymnosperms and angiosperms. Seeds are structures that contain an embryo, along with a food supply, surrounded by a protective seed coat. Seeds play a vital role in plant reproduction, dispersal, and survival.
Relation to the Ligule
The ligule is not directly related to heterospory or seed habit. It is primarily involved in leaf morphology and function. However, the ligule can indirectly impact these reproductive processes in two ways:
1. Protection of Sporangia
In some plants, the ligule may partially cover or protect the sporangia, which are the structures that produce spores. This protection can prevent damage to the sporangia and ensure the successful production and dispersal of spores.
2. Enhancing Leaf Function
The ligule can also contribute to the overall function of the leaf, which plays a crucial role in the plant's reproductive success. By providing structural support and assisting in the regulation of water and gas exchange, the ligule helps maintain optimal conditions for spore production and germination.
Conclusion
While heterospory and seed habit are not directly related to the ligule structure, the presence of a ligule can indirectly impact plant reproduction by protecting sporangia and enhancing leaf function. Understanding the functions and adaptations of various plant structures, including the ligule, is essential for comprehending the complexities of plant reproduction and survival.
Community Answer
Heterospory and seed habit are often discussed in relation to a struct...
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Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer?
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Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer?.
Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Heterospory and seed habit are often discussed in relation to a structure called[1997]a)spatheb)bractc)petioled)liguleCorrect answer is option 'D'. Can you explain this answer?.
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