Question

Draw a well labelled diagram of stomata. Explain the role of stomata in photosynthesis
PLEASE FAST URGENT...​

Answer 1

Answer:

Role of Stomata in Photosynthesis

Stomata control the flow of gases in and out of leaves. During the day, when air temperatures rise and carbon dioxide levels are normal or above normal, the stomata open, allowing carbon dioxide to enter and photosynthesis to take place.

Oxygen, a poisonous (to the plant) byproduct of photosynthesis, exits through the stomata. At night, the glucose recombines with oxygen, releasing energy as the glucose molecule breaks back into water and carbon dioxide. The excess water exits through the stomata in a process called transpiration. So, stomata do not directly participate in photosynthesis. However, the stomata control the influx of carbon dioxide, a critical component of photosynthesis, and allow the excess oxygen to exit.

Stomata also control the flow of water vapor out of the leaf, limiting water loss during drought and allowing excess water to exit.

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