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Anatomy of Flowering Plants Flashcards - NEET Biology Class 11 PDF Download
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| 1. What are the different types of plant tissues in flowering plants and how do they differ? |  |
Ans. Flowering plants contain two main tissue types: meristematic tissues (actively dividing cells) and permanent tissues (differentiated cells). Permanent tissues split into simple tissues (parenchyma, collenchyma, sclerenchyma) and complex tissues (xylem, phloem). Each serves distinct functions-parenchyma stores nutrients, sclerenchyma provides mechanical support, while xylem transports water and phloem distributes sugars throughout the plant body.
| 2. How is the internal structure of a dicot root different from a monocot root in CBSE anatomy? | |
Ans. Dicot roots feature a solid, star-shaped xylem core with 2-4 arms and exarch arrangement, surrounded by phloem groups. Monocot roots display numerous xylem and phloem bundles arranged in a radial pattern around the pith. Dicots lack true pith, while monocots possess a well-developed pith. Additionally, dicot roots develop secondary growth enabling thickening, whereas monocot roots remain primary and fibrous throughout their lifespan.
| 3. What's the purpose of cambium tissue and why does it matter for plant growth? | |
Ans. Cambium is a lateral meristematic tissue responsible for secondary growth in flowering plants. Vascular cambium produces secondary xylem (wood) outward and secondary phloem inward, enabling stems and roots to thicken. This growth increases structural strength, water-transport capacity, and nutrient distribution. Without cambial activity, woody plants couldn't develop thick, sturdy trunks needed for height and longevity in their environment.
| 4. Why do different plants have different arrangements of vascular bundles in their stems? | |
Ans. Vascular bundle arrangements reflect plant classification and evolutionary adaptation. Dicots display scattered, closed bundles arranged in rings; monocots show scattered, open bundles throughout ground tissue. Ring arrangement in dicots supports secondary growth and mechanical strength in woody plants. Scattered monocot patterns distribute resources evenly, suiting herbaceous growth. These structural differences enable each group to optimize water transport, nutrient distribution, and mechanical support for their respective lifestyles and environments.
| 5. What structures protect the root tip and how do they help roots penetrate soil? | |
Ans. The root cap-a protective tissue covering the root apex-shields delicate meristematic cells from mechanical injury and microbial damage during soil penetration. Root cap cells secrete mucilage, reducing friction and easing root movement through soil particles. Underneath, the quiescent centre contains slowly dividing cells that replenish damaged cap cells. These structures collectively enable the root to navigate dense soil environments while maintaining growth integrity and establishing firm anchorage in the substrate.
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Document Description: Flashcards: Anatomy of Flowering Plants for NEET 2026 is part of Biology Class 11 preparation. The notes and questions for Flashcards: Anatomy of Flowering Plants have been prepared according to the NEET exam syllabus. Information about Flashcards: Anatomy of Flowering Plants covers topics like and Flashcards: Anatomy of Flowering Plants Example, for NEET 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Flashcards: Anatomy of Flowering Plants.
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