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Pteridophyta: Characteristics, Example, Structure Video Lecture - NEET

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FAQs on Pteridophyta: Characteristics, Example, Structure Video Lecture - NEET

1. What are the main characteristics of Pteridophyta?
Ans. Pteridophyta, also known as ferns, are characterized by having vascular tissues, roots, stems, and leaves. They reproduce through spores and have a lifecycle that involves alternation of generations.
2. Can you provide an example of a Pteridophyta species?
Ans. One example of a Pteridophyta species is the bracken fern (Pteridium aquilinum). It is a common fern found in many parts of the world and is known for its large, triangular fronds.
3. What is the structure of a typical Pteridophyta plant?
Ans. A typical Pteridophyta plant consists of a rhizome, which is an underground stem that produces roots and fronds. The fronds are the leaf-like structures of the fern, and they are often divided into smaller leaflets called pinnae. These structures play a vital role in photosynthesis and reproduction.
4. How do Pteridophyta reproduce?
Ans. Pteridophyta reproduce through spores. These spores are produced in structures called sporangia, which are typically located on the underside of the fronds. When the sporangia release the spores, they can be dispersed by various means, such as wind or water, and eventually develop into new fern plants.
5. What is the significance of Pteridophyta?
Ans. Pteridophyta play an essential role in ecosystems as they help maintain soil stability, provide habitat for various organisms, and contribute to nutrient cycling. They are also used in landscaping and gardening due to their attractive foliage. Additionally, some species of ferns have medicinal properties and are used in traditional medicine for treating various ailments.
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