Transpiration | Mechanism Of Transpiration | Lec #6 | Biology Chapter 9 | 9th Class | New Book 2025

Transpiration | Mechanism Of Transpiration | Lec #6 | Biology Chapter 9 | 9th Class | New Book 2025
📗 @MehransScience

In this lecture, we will discuss Transpiration — the process by which plants lose water in the form of vapors — and the Mechanism of Transpiration 🌿.
This topic is from Chapter 9: Plant Physiology of 9th Class Biology (New Book 2025). The lecture includes clear explanations, diagrams, and important MCQs and short questions for board exam preparation!

🌱 Topics Covered:

Definition and importance of transpiration

Types of transpiration (stomatal, cuticular, lenticular)

Mechanism of transpiration

Factors affecting transpiration

Advantages and disadvantages of transpiration

🧠 Important MCQs:

Transpiration is the loss of _______ from plants.

Which part of the leaf mainly performs transpiration?

The opening and closing of stomata is controlled by _______.

Cuticular transpiration occurs through _______.

✍️ Important Short Questions:

Define transpiration and explain its importance.

Name the three types of transpiration.

Explain the mechanism of transpiration.

List the factors that affect the rate of transpiration.

🎓 Perfect for: 9th Class Biology Students (PTB New Book 2025)
🎬 Watch till the end for concept clarity and exam-focused discussion.
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