Скачать или смотреть Significance of Secondary Growth | 12th Class Biology | Chapter 16 | Support and Movement

12th Class Biology | Chapter 16 – Support and Movement | Significance of Secondary Growth 🌱

In this lecture, we will discuss the Significance of Secondary Growth in plants from Class 12 Biology (Punjab Curriculum Textbook Board). Secondary growth is the process that increases the girth (thickness) of stems and roots and is very important for the survival of woody plants.

🔹 Key points covered in this lecture:
✔ What is secondary growth?
✔ Role of vascular cambium and cork cambium
✔ Importance of annual rings in plants
✔ How secondary growth provides strength, protection, and conduction
✔ Significance of secondary growth in woody plants vs. herbaceous plants
✔ Board exam important questions and answers

✨ Why this lecture is important?

Helps students understand how plants develop mechanical strength

Explains adaptation of plants for survival in different environments

Covers important exam-oriented concepts from Chapter 16: Support and Movement

📚 Subject: Biology
📖 Chapter 16: Support and Movement
🏫 Class: 12th

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