Most Important Diagrams in Class 10 to practice for CBSE Class 10 Science Board Exam 2024. Simple Stomata Diagram Class 10 NCERT with Labels Easy Colour Drawing and Explanation.
Stomata Diagram Class 10 With Labels And Explanation
Now, let us study how the plant obtains carbon dioxide. In Class IX, we had talked about stomata which are tiny pores present on the surface of the leaves. Massive amounts of gaseous exchange takes place in the leaves through these pores for the purpose of photosynthesis.
But it is important to note here that exchange of gases occurs across the surface of stems, roots and leaves as well. Since large amounts of water can also be lost through these stomata, the plant closes these pores when it does not need carbon dioxide for photosynthesis.
The opening and closing of the pore is a function of the guard cells. The guard cells swell when water flows into them, causing the stomatal pore to open. Similarly the pore closes if the guard cells shrink.
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