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Which of the following group of plants is called vascular cryptogams?
- a)Angiospermae
- b)Bryophyta
- c)Pteridophyta
- d)Thallophyta
Correct answer is option 'C'. Can you explain this answer?
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Which of the following group of plants is called vascular cryptogams?...
Vascular cryptogam is an old botanical phrase and it refers to those vascular plants that do not make seeds. Thus, cryptogam refers to the production of a separate, usually very small, archegoniate gametophyte. These are well represented in the fossil record.
Thus, vascular cryptogams are pteridophytes.
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Which of the following group of plants is called vascular cryptogams?...
Understanding Vascular Cryptogams
Vascular cryptogams are a unique group of plants that possess vascular tissues but do not produce seeds. The correct answer to the question is option 'C', which refers to Pteridophyta. Let's delve into the reasons for this classification.
Definition of Vascular Cryptogams
- Vascular plants contain specialized tissues (xylem and phloem) for the transport of water, nutrients, and food.
- Cryptogams are non-seed-producing plants, which include various groups such as ferns and horsetails.
Characteristics of Pteridophyta
- Pteridophyta, commonly known as ferns, exhibit the following features:
- They have a well-developed vascular system.
- They reproduce through spores instead of seeds.
- Their life cycle includes both a sporophyte (dominant) and a gametophyte stage.
Comparison with Other Groups
- Angiospermae (Flowering Plants):
- These are seed-producing plants and do not fall under cryptogams.
- Bryophyta (Mosses and Liverworts):
- While they are non-vascular plants, they also reproduce via spores but lack vascular tissues.
- Thallophyta (Algae and Fungi):
- These do not have vascular tissues and are not classified as vascular plants.
Conclusion
Pteridophyta stands out as the group of vascular cryptogams due to the presence of vascular tissues and spore-based reproduction. Understanding these classifications helps appreciate the diversity and complexity of plant life.
Vascular cryptogams are a unique group of plants that possess vascular tissues but do not produce seeds. The correct answer to the question is option 'C', which refers to Pteridophyta. Let's delve into the reasons for this classification.
Definition of Vascular Cryptogams
- Vascular plants contain specialized tissues (xylem and phloem) for the transport of water, nutrients, and food.
- Cryptogams are non-seed-producing plants, which include various groups such as ferns and horsetails.
Characteristics of Pteridophyta
- Pteridophyta, commonly known as ferns, exhibit the following features:
- They have a well-developed vascular system.
- They reproduce through spores instead of seeds.
- Their life cycle includes both a sporophyte (dominant) and a gametophyte stage.
Comparison with Other Groups
- Angiospermae (Flowering Plants):
- These are seed-producing plants and do not fall under cryptogams.
- Bryophyta (Mosses and Liverworts):
- While they are non-vascular plants, they also reproduce via spores but lack vascular tissues.
- Thallophyta (Algae and Fungi):
- These do not have vascular tissues and are not classified as vascular plants.
Conclusion
Pteridophyta stands out as the group of vascular cryptogams due to the presence of vascular tissues and spore-based reproduction. Understanding these classifications helps appreciate the diversity and complexity of plant life.
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Which of the following group of plants is called vascular cryptogams?a)Angiospermaeb)Bryophytac)Pteridophytad)ThallophytaCorrect answer is option 'C'. Can you explain this answer?
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