Tissues Class 9 Chapter 6 | Permanent Tissue & Types | Parenchyma, Collenchyma, Sclerenchyma

Welcome to School24x7 with Ravi Bhaiya!
In this video, we continue Class 9 Science Chapter 6 – Tissues (Part 2) and begin exploring Permanent Tissues in plants.
After understanding Meristematic Tissue in Part 1, this lecture explains how cells become permanent and perform specific functions in different parts of a plant.

We focus on Simple Permanent Tissues such as Parenchyma, Collenchyma, and Sclerenchyma, with clear diagrams, properties, functions, and NCERT-based explanations.

📘 Topics Covered in This Video:

🔹 1. Introduction to Permanent Tissue

How meristematic cells become permanent

Cell differentiation

Characteristics of permanent tissues

Importance in plant structure and function

🔹 2. Simple Permanent Tissue

Meaning and classification

Where they are found in plants

Role in support, storage, and photosynthesis


3. Parenchyma

Structure: thin-walled, living cells

Types:
✅ Chlorenchyma (photosynthesis)
✅ Aerenchyma (air spaces for buoyancy)

Functions: storage, transport, photosynthesis, support

🔹 4. Collenchyma

Unevenly thickened walls

Living supportive tissue

Location: stems, petioles, leaf margins

Functions: flexibility and mechanical support

Why it helps plant bend without breaking

🔹 5. Sclerenchyma

Thick lignified walls

Dead cells

Types: fibers and sclereids

Function: hardness and rigidity

Examples: coconut husk, nutshell

🎯 What You Will Learn:

✔ How permanent tissues are formed
✔ Differences between parenchyma, collenchyma, and sclerenchyma
✔ Structure and function of simple permanent tissues
✔ NCERT-based concepts explained clearly

📚 Perfect For:

Class 9 CBSE & NCERT Students

School exam preparation

Students wanting clear understanding of plant tissues

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Class 9 Science Chapter 6 Tissues

Tissues Class 9 full explanation

Permanent tissue Class 9

Parenchyma Class 9 explanation

Collenchyma Class 9 easy notes

Sclerenchyma Class 9 NCERT

Simple permanent tissues Class 9

Class 9 plant tissues

Tissues chapter class 9 biology

NCERT Class 9 tissues part 2

Difference between parenchyma collenchyma sclerenchyma

Class 9 tissues animated explanation

Class 9 Science Chapter 6 School24x7

Class 9 tissues in Hindi explanation

Class 9 Science Chapter 6 important questions

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