2. Name the following: (a) Tissue that forms the inner lining of the cour mouth. Curved surface causes the stomata to open. (ii) Stroma lamellae. Opening and closing of stomata occurs due to turgor changes in guard cells. Name, state and apply the rule to mark the direction of these field lines. The stomata can open and close to: 600+ SHARES. 600+ VIEWS. Types of Stomata 3. Structure of Stomata. Explain the structure of stomata with a labelled diagram. Questions based on Physics diagrams from previous year papers: 1. Related Links IB DP Biology SL&HL: Question Bank IB Biology Study Guide and Notes for SL/HL IB DP Physics SL&HL: Question Bank IB Physics Study Guide and Notes for SL/HL Date November 2016 Marks available 4 Reference code 16N.2.HL.TZ0.2 Level Higher level Paper Paper 2 Time zone TZ0 Command term Explain Question number 2 Adapted … IB DP Biology 1.6 Cell division Question Bank … (ii) Name the membrane that connects thylakoid of one granum With the other granum. Class-10 » Science. Write any two functions of stomata. The main function of stomata are : They are necessary for exchanging gases like Co 2 or O 2 with the atmosphere. They can either be present on either the sides or just on one side of the leaf. Answer. Stomata are small pores present in the epiderms of leaves. An object of height 4.0 cm is placed at a distance of 30 cm from the optical centre ‘O’ of a convex lens of focal length 20 cm. ... CBSE Class 10 - Ask The Expert. Also Read: CBSE Class 10 Science Practical Exam 2020: Check Latest Syllabus & Preparation Tips here. Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis. (b) Diagram. Each stoma can be open or closed, depending on how turgid. (ii) Name the blood vessel supplying blood to the walls of the heart with oxygen. its guard cells are. Draw a labelled diagram of a neuron. asked Jul 6, 2018 in Class X Science by kumaran ( … 10. 3. Stomata Experiment Class 10 Introduction. ICSE solutions for Class 10 Biology Chapter 4 Transpiration Sketch and Label the Diagram Sketch and Label the Diagram | Q 1 Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells, and Cell wall. (CBSE Foreign 2008, CCE 2012) Answer: (a) Stomata. Sulphuric acid at 443 K gives unsaturated compound ‘Y’. Solution: Several minute openings or stomata are found on the epidermis of all the green aerial parts of plants, but are abundant on the lower surface on the leaves as they regulate the process of transpiration. UPSC IAS 2020 Exam: Click here to get the Complete 30 Days Study Plan to score high in Prelims. Draw a labelled diagram of a neuron. Draw labelled diagram of stomata. [AI 2007C] (a) I and IV (b) II and III (c) IV and V (d) I and V. SOLUTION: Stomata are tiny pores that are mainly present on the surface of leaves. Write the function of leaves. (i) The leaf is a thin, broad, flat and green part of a plant which is attached to the stem. 9. What are stomata ? 2 mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a tent tube. Draw a neat labelled diagram of T.S. Share 15. Draw a well-labelled diagram of stomata and label it ?? Draw labelled diagram of the structure of stomata as seen under the microscope. (i) Draw a labelled diagram of the respiratory system of human beings with diaphragm at the end of expiration, and (ii) List four conditions required for efficient gas exchange in an organism. 10. Draw a well labelled diagram of a solar cooker. What are stomata? Give two functions of stomata. The role of stomata. [Foreign 2008] Answer: Stomata are small pores present on the leaves underside. ... -Draw a labelled diagram of alimentary canal of a cockroach. b. Ans: (a) Photosynthesis: In the presence of sunlight and chlorophyll green leaves with the help of water, minerals and carbon dioxide prepare their food. Stomata are found on the leaves of plants. 2 g of silver chloride is taken in a china dish and the china dish is placed in sunlight for sometime. Write two functions of stomata. Answer: (i) A large surface area to absorb water. What are stomata ? (ii) Phloem. what are stomata? Answer the following questions: i) Name the blood vessels 1, 3, 6 and 7. 4. A compound ‘X’ on heating with excess conc. Answer: Question 10. Explain stomatal apparatus with a neat labelled diagram and mechanism of opening and closing of stomata. Draw the various stages of its reproduction in a proper sequence. Stomata play an important role in gaseous exchange and photosynthesis. 2.3k VIEWS. 9. 1. In some of the plants, stomata are present on stems and other parts of plants. Identify two components in its structure that helps in maximising heat absorption in it. In grasses the guard cell is dumbbell shaped. Name the process by which an amoeba reproduces. 3. (a) Zinc reacts with silver nitrate to produce zinc nitrate and silver. (i) Xylem. 6. A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram to show the formation of a rainbow. 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