This question will help you understand an important part of the chapter and is useful for exam practice.
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The internal structure of plants is an interesting concept that reveals how the cells and tissues are arranged and how they carry out different processes to survive. Class 11 Biology Chapter 6 Anatomy of Flowering Plants NCERT Solutions explains briefly and simply different plant tissues, i.e., meristematic tissues, which are responsible for plant growth, and permanent tissues, which serve particular purposes. Anatomy and the functions of the chief plant organs, i.e., roots, stems, and leaves, are explained. The NCERT Solutions are explained in detail with the best format for easy reading and understanding.
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Answers in the NCERT Solutions Class 11 Anatomy of Flowering Plants are designed to make learning easier for students. They consist of simple descriptions, diagrammatic sketches, and step-by-step explanations of every question in the NCERT textbook. Whether you are a beginner or already possess plant anatomy knowledge, these solutions will make your learning and test preparation easier. This is one of the important chapters to study about how plants grow and develop. NCERT Solutions for Class 11 Biology offer detailed explanations and answers to help students learn key concepts and do well in their examinations.
Get clear and step-by-step answers to help you understand the concepts better. Given below is a detailed PDF that you can download for quick and easy reference.
Find well-explained and accurate solutions to all the textbook exercises to strengthen your understanding of Chapter 6.
Q1. Draw illustrations to bring out the anatomical differences between
(i) Monocot root and Dicot root
Answer:
Monocot root
Dicot root-
(b) Monocot stem and Dicot stem
Answer:
Monocot Stem:
Dicot Stem:
By confirming these features under the microscope, you can determine if the stem is monocotyledonous or dicotyledonous.
Q3. The transverse section of a plant material shows the following anatomical features -
(i) The vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous bundle sheath.
What will you identify it as?
(ii) Phloem parenchyma is absent.
Answer:
(a) Vascular bundles are isolated and embedded in sclerenchyma.
(b) There is no phloem parenchyma.
Conclusion:
These characteristics are characteristic of a monocot stem.
Q4. What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.
Answer:
Stomatal apparatus includes:
Answer:
The three basic tissue systems in the flowering plants include epidermal tissue system, ground tissue system and vascular tissue system.
1. Epidermal Tissue System
Tissues: Epidermis, Cuticle, Stomata, Trichomes
2. Ground Tissue System
Tissues: Parenchyma, Collenchyma, Sclerenchyma
3. Vascular Tissue System
Tissues: Xylem (for water transport), Phloem (for food transport)
Q 6. How is the study of plant anatomy useful to us?
Answer:
The analysis of plant anatomy proves to be useful in the following ways:
Q 7. Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.
Answer:
The internal structure of a dorsiventral leaf includes:
Upper Epidermis: A protective layer often covered with a cuticle to reduce water loss.
Mesophyll:
Lower Epidermis: Contains stomata for transpiration and gas exchange.
Vascular Bundles: Composed of xylem (for water transport) and phloem (for food transport).
NCERT Solutions for Class 11: Subject-wise
This question will help you understand an important part of the chapter and is useful for exam practice.
Question 1: Passage cells are thin-walled cells found in
Options
1- Endodermis of roots facilitates the rapid transport of water from the cortex to the pericycle
2- Phloem elements that serve as entry points for substances for transport to other plant parts
3- Testa of seeds to enable the emergence of the growing embryonic axis during seed germination
4- Central region of style through which the pollen tube grows towards the ovary
Answer:
In roots, the innermost layer of the cortex is known as the endodermis, which is an important regulating layer in the movement of water and nutrients. Some endodermal cells, opposite the xylem patches, are thin-walled and are termed passage cells or transfusion cells. These passage cells can perform direct transfers of water and dissolved salts from the cortex to the xylem, thus allowing direct transport to the vascular system and thence to the pericycle, which then allows for distribution throughout the plant.
Hence, the correct answer is option (1), endodermis of roots facilitating rapid transport of water from cortex to pericycle.
To solve questions effectively from this chapter, students can follow the steps provided below:
Check the NCERT Books and NCERT Syllabus here:
Below is a table highlighting the most important topics from the chapter that students should focus on for NEET preparation beyond the NCERT.
Check out the chapter-wise solutions to help you understand the concepts better and improve your exam preparation.
Important Topics in NCERT Solutions of Class 11 Biology Chapter 6
Step by Step Procedure for Downloading NCERT Solutions of Class 11 Biology Chapter 6 PDF
Types of Tissues in Flowering Plants (NCERT Class 11 Biology)
Meristematic Tissues – helps in plant development by dividing continuously.
Permanent Tissues – Do not divide, give support and function.
Simple Permanent Tissues: Parenchyma, Collenchyma, Sclerenchyma.
Complex Permanent Tissues: Xylem and Phloem.
Difference Between Monocot and Dicot Stem Anatomy
Monocot Stem:
Types of Vascular Bundles (NCERT Class 11 Biology)
Simple and Complex Permanent Tissues in Flowering Plants
Difference Between Root and Stem Anatomy
Root Anatomy:
Stem Anatomy:
Role of Cambium in the Growth of the Plant
Open Vascular Bundles: Have cambium, permit secondary growth (dicots).
Closed Vascular Bundles: No cambium, no secondary growth (monocots).
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