Animal Stoma. What is the Function of Stomata? Science Class 7- Chapter 11- Transportation in Animals and Plants- NCERT Exercise Solution (Question-Answer) ... Give two function of stomata. (ii) Exchange of gases (oxygen and carbon dioxide) also takes place through stomata. This process is known as transpiration. Give two functions of stomata. Vascular Tissues. Definition :-Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Definition of Stomata: The stomata are minute pores which occur in the epidermis of the plants. Two Main Functions 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). Ans: Functions of the stomata: The exchange of gases (CO 2 and O 2) with the atmosphere. Q No 5: What are the functions of the stomata? Each stoma remains surrounded by two kidneys or bean shaped epidermal cells the guard cells. The two main functions of stomata are to allow for the uptake of carbon dioxide and to limit the loss of water due to evaporation. ... NCERT Solutions for Class 7 Science. Functions of stomata: (i) Evaporation of water in plants in the form of vapour takes place through stomata during transpiration. They can either be present on either the sides or just on one side of the leaf. Stomata are tiny pores present on the surface of a leaf. Stomata are found on the leaves of plants. Transport in Plants Tissue. Functions of stomata: (a) Stomata help in the exchange of gases. (b) Evaporation of water from the leaf surface occurs through stomata. Answer: The small pores present on the under-surface plant leaves whose opening are surrounded with guard cells is known as stomata. It's functions are :- 1) It helps in the gaseous exchange . Functions of stomata A tissue is a group of similar cells which work together to perform a particular function. Top function of Stomata. The animal stoma is an opening that connects the internal portion of an animal body out to meet the external portion. Stomata are tiny pores or opening on the surface of a leaf. * 80 to 90 percent of transpiration occurs through the stomata. Cyclocytic - Here, a minimum of four subsidiary cells surround the guard cell. The main functions of stomata includes (i) Helps in transpiration and photosynthesis. (ii) It allows gaseous exchange between atmosphere and tissues of plants. In many plants, stomata remain open during the day and closed at night. 3) It helps in ascent of sap {This point is not for class 7} 4) It helps in transpiration ..{This point is not for class 7… Types of Stomata 3. Functions: (i) It helps in the exchange of gases. The stomata may occur on any part of a plant except the roots. Answer: The numerous pores under the surface of leaf are called stomata. Definition of Stomata 2. 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