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Most Expected Questions in NEET: Plant Kingdom Video Lecture - Biology Class 11

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FAQs on Most Expected Questions in NEET: Plant Kingdom Video Lecture - Biology Class 11

1. What are the major divisions of the plant kingdom?
Ans. The major divisions of the plant kingdom are Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. Thallophyta includes algae and fungi, Bryophyta includes mosses and liverworts, Pteridophyta includes ferns and horsetails, Gymnosperms include conifers and cycads, and Angiosperms include flowering plants.
2. What are the characteristics of algae?
Ans. Algae are simple, photosynthetic organisms that belong to the division Thallophyta in the plant kingdom. They are mainly aquatic and can be found in various habitats like freshwater, marine, and even in moist soil. Algae lack true roots, stems, and leaves. They have chlorophyll for photosynthesis and can reproduce by fragmentation or spore formation. Algae play a vital role in oxygen production and serve as a food source for aquatic organisms.
3. How do bryophytes differ from other plants?
Ans. Bryophytes, which include mosses and liverworts, are non-vascular plants that lack specialized tissues for water and nutrient transportation. Unlike other plants, bryophytes do not have true roots, stems, or leaves. They depend on a process called osmosis to absorb water and nutrients from their surroundings. Bryophytes also have a dominant gametophyte generation and rely on water for sexual reproduction.
4. What are the unique features of gymnosperms?
Ans. Gymnosperms are a group of seed-bearing plants that do not produce flowers. They have unique features such as the production of naked seeds, which are not enclosed within a fruit. Gymnosperms include conifers, cycads, ginkgoes, and gnetophytes. They have needle-like or scale-like leaves, adapted to withstand harsh environmental conditions. Gymnosperms also have cones as their reproductive structures, with male and female cones present on separate plants.
5. What distinguishes angiosperms from other plant groups?
Ans. Angiosperms, also known as flowering plants, are the most advanced and diverse group of plants. They are characterized by the presence of flowers and fruits. Unlike gymnosperms, angiosperms have enclosed seeds within a fruit, which aids in dispersal. They have well-developed vascular tissues for efficient water and nutrient transport. Angiosperms exhibit a wide range of adaptations, including various types of flowers, specialized pollination mechanisms, and diverse fruit types.
268 videos|544 docs|326 tests

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00:16 Question 1
00:39 Question 2
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06:56 Question 10
07:33 Question 11
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