Q.6.What are stomata? Give two junctions of stomata.
Answers
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They are pores surrounded by specialized parenchymatic cells, called guard cells. Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO2) and releasing the Oxygen (O2) that we breath. The other main function is regulating water movement through transpiration.
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Answer:
Stomata are the tiny, kidney, or bean-shaped pores or openings present in the epidermis of the cell. The stomatal opening has specialized guard cells surrounding them.
Functions of Stomata
The main functions of stomata are:
Gaseous exchange- Stomatal opening and closure help in the gaseous exchange between the plant and surrounding.
It helps in transpiration and removal of excess water in the form of water vapour.
Stomatal closure at night prevents water from escaping through pores.
It maintains the moisture balance according to weather by opening and closing.
Stomata facilitate carbon dioxide uptake and release of oxygen during the process of photosynthesis.
Explanation:
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