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Chapter Analysis
Intermediate8 pages • EnglishQuick Summary
The chapter 'Anatomy of Flowering Plants' introduces the internal structure and functional organization of higher plants, covering tissue systems such as epidermal, ground, and vascular. Topics include the anatomy of monocot and dicot plants, highlighting differences in roots, stems, and leaves. The chapter explores tissue types and functions, and discusses adaptations in plant structures to diverse environments.
Key Topics
- •Epidermal Tissue System
- •Ground Tissue System
- •Vascular Tissue System
- •Dicotyledonous Root Anatomy
- •Monocotyledonous Root Anatomy
- •Dicotyledonous Stem Anatomy
- •Monocotyledonous Stem Anatomy
- •Leaf Anatomy and Adaptations
Learning Objectives
- ✓Understand the structure and function of tissue systems in plants.
- ✓Distinguish between dicot and monocot plants based on anatomical characteristics.
- ✓Identify and describe the different parts of a plant's internal structure.
- ✓Explain the role of various plant tissues in growth and adaptation.
- ✓Describe the adaptations in plant anatomy to various environmental conditions.
Questions in Chapter
Draw illustrations to bring out the anatomical difference between (a) Monocot root and Dicot root (b) Monocot stem and Dicot stem
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Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.
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The transverse section of a plant material shows the following anatomical features - (a) the vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous bundle sheaths. (b) phloem parenchyma is absent. What will you identify it as?
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What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.
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Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.
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How is the study of plant anatomy useful to us?
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Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.
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Additional Practice Questions
Explain the significance of vascular bundles in plants.
mediumAnswer: Vascular bundles are crucial for the transportation of water, minerals, and nutrients throughout the plant. They consist of xylem and phloem tissues, which help in upward and downward movement of sap. The arrangement of these bundles also provides structural support to plants.
Differentiate between open and closed vascular bundles.
mediumAnswer: Open vascular bundles have a cambium present between the xylem and phloem, allowing for secondary growth, typical in dicots. Closed vascular bundles lack cambium and do not undergo secondary growth, characteristic of monocots.
Discuss the role of epidermal trichomes in plants.
hardAnswer: Epidermal trichomes are hair-like outgrowths on the plant surface. They reduce water loss by minimizing air flow across the leaf surface, reflect radiation, and deter herbivory by being tough or having secretory capabilities.
What adaptations are seen in the anatomy of monocot and dicot leaves?
hardAnswer: Monocot leaves often exhibit similar-sized vascular bundles and parallel venation, useful for their growth habits, while dicot leaves show differentiated mesophyll and reticulate venation, facilitating efficient photosynthesis.
Explain the function of the pith in plant stems.
easyAnswer: The pith, composed mainly of parenchyma cells, is located at the center of stems and roots, often functioning in storage of nutrients and maintaining structural integrity.
NCERT Exemplar
AvailablePractice with NCERT Exemplar problems and solutions for this chapter. Exemplar problems are designed to help you master the concepts with advanced-level questions.
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