Gas Exchange in Plants | Opening & Closing of Stomata | Class 11 Biology New Book 2025 | PTB
Автор: Yousuf Biology Academy
Загружено: 2025-11-09
Просмотров: 271
In this lecture, we will explore Gas Exchange in Plants and the mechanism of stomatal opening and closing according to the Class 11 Biology (Punjab Textbook Board 2025) syllabus. 🌿
🔍 Topics Covered:
Structure and function of stomata
Mechanism of stomatal movement (K⁺ ion theory)
Role of blue light and abscisic acid
Gas exchange through palisade and spongy mesophyll
Oxygen and carbon dioxide diffusion process
📚 This video is part of our complete Class 11 Biology series based on the New 2025 PTB Book, designed for both students and teachers to understand each topic clearly and conceptually.
👨🏫 Teacher: Sir Muhammad Yousuf — M.Sc. Botany l B. Ed l pharmacy | 7 Years of Teaching Experience
📍 For More Lectures:
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#GasExchangeInPlants #Stomata #Class11Biology #PTB2025 #YousufBiologyAcademy #OpeningClosingOfStomata #NewBook2025 #FScBiology
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