Gaseous Exchange in Plants | Class 10th | Chapter 10 | Matric Biology Part II

Gaseous Exchange in Plants | Class 10th | Chapter 10 | Matric Biology Part II

Chapter 10: Gaseous Exchange
Topic: gaseous exchange in Plants

This lecture is especially recorded for 10th class students Punjab Board. The purpose of this lecture is to facilitate students , so they can clear all their doubts about the topic and can clarify their concepts.

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In this video lecture we've discussed about how gases exchange in plants.

Plants have no organs or systems for the exchange of gases with the environment. Every cell of the plant body exchanges gases with the environment by its own.
The leaves and young stems have stomata in their epidermis.The gaseous exchange occurs through these stomata.
In woody stems and mature roots, the entire surface is covered by bark which is impervious to gases or water. However, there are certain pores in the layer of bark. These are called the lenticels. gaseous exchange occur through these stomata.
Gases diffuse in and out of the general surface of the young roots. The gases are found in the soil surrounding the roots.

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