Definition of Stomata: The stomata are minute pores which occur in the epidermis of the plants. Stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems.Stomata are generally more numerous on the underside of leaves. Answer The … Essentially, guard cells are two bean-shaped cells that surround a stoma. 3. Answer : Stomata are small pores present in the epidermis of the leaf. The primary function is to allow gaseous exchange between the plant's internal tissues and the atmosphere. They can either be present on either the sides or just on one side of the leaf. The stomata may occur on any part of a plant except the roots. 1. As epidermal cells, they play an important role in gaseous exchange in and out of plant leaves by regulating the opening and closing of pores known as a stoma. The other main function is regulating water movement through transpiration. Top function of Stomata. Stomata: Some minute pores which are usually, found in leaf for the exchange of gas and transpiration are known as stomata (singular stoma). It helps in the transpiration of water, i.e., the loss of excess water from the plant. Each stoma remains surrounded by two kidneys or bean shaped epidermal cells the guard cells. Stomata are responsible for the interchange of gases for respiration and photosynthesis. Stomata – breathing pores that enable photosynthesis, and sense and drive climate change. A scientist performs an experiment by placing petroleum jelly on plant leaves, which blocks the leaves’ stomata. Stomata (singular: stoma) are tiny holes on the undersides of leaves. Stomata are found on the leaves of plants. These gas molecules are actually the source of the carbon atoms used by plants to create sugars, proteins, and other essential materials for life. 2. The main function of stomata are : They are necessary for exchanging gases like Co 2 or O 2 with the atmosphere. Loss of water from the stomata creates an upward pull, i.e., suction pull which helps in absorption of water from the roots. The gas exchange that occurs when stomata are open facilitates photosynthesis.Photosynthesis is the process by which plants convert sunlight into usable energy. Stomata are enclosed by two kidney-shaped cells called guard cells. Function. Answer Absorbing and releasing gases 2. Which step in photosynthesis does not need light? Stomata control a tradeoff for the plant: they allow carbon dioxide in, but they also let precious water escape. Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO 2) and releasing the Oxygen (O 2) that we breath. Stomata are small pores in the underside of leaves. Photosynthesis is not possible without them. Answer Carbon dioxide and hydrogen combine to make glucose. 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