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The organelle through which water and carbon dioxide enter the leaf of a plant
The organelle through which water and carbon dioxide enter the leaf of a plant The stomata are the organelle via which water and carbon dioxide enter a plant’s leaf.
A stomata is a tiny aperture utilized for gas exchange that can be found on the outside of leaves, stems, and other plant organs. Two guard cells, unique cells that regulate the opening and closing of the stomatal pore, make up this structure. The guard cells expand as a result of water absorption, which widens the stomatal opening and permits the exchange of gases like carbon dioxide and oxygen. By limiting the amount of water lost through transpiration, the stomata also assist in maintaining the proper balance of water within the plant. As they enable the plant to absorb carbon dioxide from the atmosphere to be utilised in the creation of energy, they are crucial to the process of photosynthesis.
Species of plants with stomata
- Oaktree
- Maple tree
- Tomato plant
- Sunflower
- Cactus
- Pine tree
Video: Stomata | Opening and Closing of Stomata
Common questions and answers about Stomata
Q: What is the function of stomata in plants? A: The main function of stomata is to allow plants to take in carbon dioxide from the air for photosynthesis and to release oxygen and water vapor.
Q: How do stomata open and close? A: Stomata open and close through the movement of guard cells, which are specialized cells found near the stomatal opening. When the guard cells absorb water, they swell and cause the stomatal opening to widen, allowing for gas exchange. When the guard cells lose water, they shrink and the stomatal opening closes.
Q: Why are stomata found primarily on the lower surface of leaves? A: Stomata are typically found on the lower surface of leaves to reduce water loss through transpiration. The upper surface of leaves is exposed to more sunlight and heat, which can cause increased water loss through evaporation.
Q: Can stomata be found on other plant organs besides leaves? A: Yes, stomata can also be found on the stems, flowers, and fruits of some plants.
Q: What happens when stomata are closed? A: When stomata are closed, the plant is not able to take in carbon dioxide for photosynthesis and release oxygen. This can limit the plant’s growth and survival in low light or dry conditions.
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