Class 10 Science Chapter 6 Extra Questions and Answers Life Processes. Paintings, Drawings, Articles, Speeches, Bharathanatyam. This reduces the rate of transpiration. Identify the type of chemical equation. 0. (b) Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide. The size and shape of stomata vary in different plants. Stomata are the tiny openings present on the epidermis of leaves. We can see stomata under the light microscope. (d) All the factors are … The leaves are covered by a thick cuticle: In evergreen plants, such as banyan, theleaves remain covered by a thick waxy cuticle. Show with the help of a flow diagram the path of the reflex action. 3. (iii) […] [CBSE 2011] Answer: The function of stomata are: (a) Help in the exchange of gases like carbon … (c) Open stomata, high humid atmosphere and dry soil. About 30% of the questions were of such type where either students had to write chemical equations involved in a particular reactions or identify the compounds involved in a reaction. 2 mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a tent tube. Every year, 8-9 questions are jointly asked on the basis of chemical reactions and diagram construction. In botany, a stoma (plural "stomata"), also called a stomate (plural "stomates") is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange.The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.. Save my name, email, and website in this browser for the next time I comment. UPSC IAS 2020 Exam: Click here to get the Complete 30 Days Study Plan to score high in Prelims. CBSE Biology Lab Manual for Class 10 PDF Download 1. The guard cells control the opening and closing of stomata. When water is lost from the guard cells, they shrink and become straight, thereby closing the stomata. is a long tube which collects urine from kidney. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid. The stomatal pore is enclosed between two bean-shaped guard cells. Write three main functions of the nervous system. Reduced number of stomata: The reduced number of stomata in the upper epidermis greatly reduces transpiration.3. In order to submit a comment to this post, please write this code along with your comment: ba2d297b59c1fdd28e659d13fee5e391, Open & Closed Stomatal Pore Diagram| Biology Class-10 CBSE. 5. ... Guard cells and stomata Get 3 of 4 questions to level up! Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity. Curved surface causes the stomata to open. Answer : Stomata are small pores present in the epidermis of the leaf. (c) stomata. Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells and Cell wall. 7. CBSE Class 10 Maths Important Questions with Solutions for Board Exam 2021, CBSE Class 10 Science Exam 2021: Check Important Questions & Answers for All Chapters, Extra Question for CBSE Class 10 Science (with Answers) - All Chapters, CBSE Class 10 Complete Study Material for 2020-2021: Best Guide for Exam Preparation with Important Updates, CBSE Class 10 Maths Chapter-Wise MCQs with Answers & Detailed Solutions - Important for Board Exam 2021, CBSE 10th Social Science Board Exam 2021: Check Important Map Questions to Prepare for the Exam. The syllabus for the practical exam is designed by CBSE according to the CCE guidelines. Answer. It causes around 20% of transpiration in plants. Draw a labelled ray diagram to support your answer. Legend (Opens a modal) Possible mastery points. Open & Closed Stomatal Pore diagram for Class 10, CBSE Biology. 2 g of silver chloride is taken in a china dish and the china dish is placed in sunlight for sometime. (ii) Phloem. Photosynthesis and respiration Get 3 of 4 questions to level up! Jobs of the Day–11 January 2021: Apply for 7600+ HSSC, APSC, Indian Army, Ministry of Defence and BFUHS, Shaking off Covid-19 Gloom, KIIT on Track to Achieve Record Placement for 2020-21 Graduating Batch, IBPS RRB PO Result 2020 Released @ibps.in: Download Officer Scale 1 Prelims Result Here, Mains on 30 Jan 2021, AIEL भर्ती 2021: 10 एयरक्राफ्ट मेंटेनेंस इंजीनियर, मैनेजर- फ्लाइट डिस्पैच और अन्य पदों की वेकेंसी के लिए करें आवेदन. Chapter-wise Important Diagrams for the ICSE Class 10 Biology Board Exam - Access diagrams from all chapters in one PDF file, which you can download and use for free. The stomata may occur on any part of a plant except the roots. When water flows into the guard cells, they swell up. It prevents desiccation, by preventing loss of water from the plant body. Explain the various steps supported by chemical equations. ‘X’ also reacts with sodium metal to evolve a colourless gas ‘Z’. (i) Xylem. 3. The structure of stoma remains same in monocots as well as in dicots. (ii) Identify the stage shown here by giving one reason. The opening and closing of stomata are controlled by the guard cells. If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? CBSE Class 10 Lab Manual for Chapter 1 Stomata The laboratory is important for making the study complete, especially for a subject like Science and Maths. Draw a labelled diagram in proper sequence to show budding in hydra. The structure of the stomata consists of a kidney shaped epidermal … Write two functions of stomata. (ii) The biological term given to the protective membranes of the brain. Stomata × Digesting Food (Opens a modal) In CBSE Class 10 Board Exams, questions based on the reactions and diagrams form an essential part of the Science question paper. Write the chemical reaction involved in the form of a balanced chemical equation. Definition of Stomata: The stomata are minute pores which occur in the epidermis of the plants. Nutrition in human beings. Study the diagram and answer the following questions: (i) Name the parts labelled 1, 2 and 3. They are enclosed by two bean-shaped guard cells. Draw the various stages of its reproduction in a proper sequence. Draw a neat diagram of human brain and label on it the following parts: (i) Mid brain (ii) Pituitary gland (iii) Cerebellum (iv) Cerebrum. List 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. During the day, when air temperatures rise and carbon dioxide levels are normal or above normal, the stomata open, allowing carbon dioxide to enter and photosynthesis to take place. Stomata – These are the small opening which helps in exchange of gases Cork – It is protective in function. Top function of Stomata. Q24. A student is observing the temporary mount of a leaf peel under a microscope. Give one example. Learn. Mark optical centre ‘O’ and principal focus ‘F’ on the diagram. A brief description of the Stomata along with a well-labelled diagram is given below for reference. Q17. Draw a labelled diagram to show the formation of a rainbow. The opening and closing of stomata are controlled by the guard cells. Draw labelled diagram of the structure of stomata as seen under the microscope. Sulphuric acid at 443 K gives unsaturated compound ‘Y’. Draw diagrams of what he observes. Draw a labelled diagram of stomata. Stomata are small pores present in the epidermis of leaves. Explain the structure of stomata with a labelled diagram. Also Read: CBSE Class 10 Science Practical Exam 2020: Check Latest Syllabus & Preparation Tips here. Your email address will not be published. 3. Draw labelled diagram for the electrolytic refining of copper. Cuticular transpiration: Cuticle is an impermeable covering present on the leaves and stem. Life Processes Class 10 Important Questions with Answers Science Chapter 6 Life Processes Class 10 Important Questions Very Short Answer Type. Field Trip to the Trick Art Museum, ECR, Chennai, Social Issues Report for CBSE Std 10 | Gender Inequality, Cross Section of a Leaf | Biology Diagram, Human Heart Model: School Biology Project, Save Water, Save Life Painting for Water Conservation Painting Competition 2016-17, Sri Lalithambika Devi Painting for New Year 2021, Speech on “Fine Arts can be a Life-Long Passion” | School Speeches, Queen Elsa Birthday 2020 Pencil Color Painting, Dr. Elizabeth Schram Portrait | A Tribute to my School TSA’s Founder, Mahabharata Stories Comic Strip Video Story, How to Draw & Colour Tanjore Big Temple in a Simple Way | Step-by-step Tutorial, Realistic Painting of a Leopard Close-up Video. The CBSE is a prestigious educational board in India that conducts the final examinations for the Class 10. We have prepared separate articles for chemical reactions and diagram constructions wherein we have included all relevant and important concepts involved in Chemistry, Physics and Biology. Write the equation of the chemical reaction involved and the test to detect the gas. (a) Zinc reacts with silver nitrate to produce zinc nitrate and silver. The diagram of the Stomata is useful for both Class 10 and 12. Also Read: CBSE Class 10 Science Important Preparation Tips for Physics, Chemistry & Biology. ICSE Solutions for Chapter 4 Transpiration Class 10 Biology ICSE Solutions for Chapter 4 Transpiration Class 10 Biology Class 6; ... Open stomata, high humid atmosphere and well irrigated soil. Name, state and apply the rule to mark the direction of these field lines. (in proper sequence), 6. ICSE Biology Previous Year Question Paper 2009 Solved for Class 10 ICSE Paper 2009 BIOLOGY SECTION-I (40 Marks) (Attempt all questions from this Section) Question 1: (a) Name the following : (i) The statistical study of the human population of a region. Oxygen, a poisonous (to the plant) byproduct of photosynthesis, exits through the stomata. Links to these important resources are provided below: CBSE Class 10 Chemistry Important Chemical Reactions from All Chapters, CBSE Class 10 Physics Important Diagrams from All Chapters, CBSE Class 10 Biology Important Diagrams from All Chapters, Also Read: Important Points to Keep in Mind for Writing CBSE Class 10 Science Paper Flawlessly, Previous Years’ Questions Based on Class 10 Science Chemical Reactions and Diagrams. 4. In others, they were required to construct a labelled diagram or identify different parts in a given diagram. Stomata are enclosed by two kidney-shaped cells called guard cells. 5. Questions based on Biology diagrams from previous year papers: 1. How is copper extracted from its sulphide ore? Draw magnetic field lines produced around a current carrying straight conductor passing through a cardboard. You can check below such questions asked in the previous years (2018-2019): Questions based on chemical reactions from previous year papers: 1. (b) A fresh leaf gives better mount. List four precautions which a student should observe while determining the focal length of the given convex lens by obtaining image of a distant object on a screen. Draw a well labelled diagram of stomata. In some of the plants, stomata are present on stems and other parts of plants. Types of Stomata 3. (iii) Where in the body does this type of cell division occur? Ans. To help all students in quick and effective revision before their Science exam, we have assembled all important chemical reactions and diagrams from NCERT Science. Q15. The diagram shows a stage during cell division. Trace the sequence of events which occur when a bright light is focused on your eyes. Structure of stomata: Stomata are present in leaf epidermis. Each stoma remains surrounded by two kidneys or bean shaped epidermal cells the guard cells. Top Ranking CBSE Sample Paper Books for 2021 Boards. Draw a ray diagram to find the position and size of the image formed. Stomata play an important role in gaseous exchange and photosynthesis. [Foreign 2008] Answer: Stomata … Draw excretory system in human beings and label the following organs of excretory system which perform following functions: ii. Curved surface causes the stomata to open. To check more of such questions and know different ways in which these questions can be asked in the upcoming exam, check the following link: CBSE Class 10 Science Previous Years’ Solved Question Papers, This website uses cookie or similar technologies, to enhance your browsing experience and provide personalised recommendations. Open & Closed Stomatal Pore diagram for Class 10, CBSE Biology. Q18. 2. 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OR Draw labelled diagram in proper sequence to show budding in hydra. Identify ‘X’, ‘Y’ and ‘Z’. MCQ Questions for Class 10 Science Pdf: Science subjects which include Physics, Chemistry and Biology are very important for students who want to score good marks in their CBSE board examination.Science subjects are crucial for students who want to make a career in engineering, medical or … 6. Aim To prepare a temporary mount of a leaf peel to show its stomata. Define reflex action. Draw labelled diagram of the structure of stomata seen under the microscope. Name a hormone secreted by: Draw a block diagram to show the flow of energy in an ecosystem. Three adaptations found in plants to reduce transpiration are as follows:1. It forms waterproof coating, which reduces loss of water. Identify the given diagram. What is a rainbow? Epidermis – its main function is protection. Define an ecosystem. (b) Glycerine has the property to retain water. By continuing to use our website, you agree to our, Important Points to Keep in Mind for Writing CBSE Class 10 Science Paper Flawlessly, CBSE Class 10 Science Practical Exam 2020: Check Latest Syllabus & Preparation Tips here, CBSE Class 10 Science Important Preparation Tips for Physics, Chemistry & Biology, CBSE Class 10 Science Complete Study Material with Last Minute Preparation Tips for Board Exam 2020. Parts of plants also write the equation of the stomata consists of a balanced chemical equation ) the biological given... % of transpiration in plants to reduce transpiration are as follows:1 important chemical reactions and diagram construction process. ) open stomata, high humid atmosphere and dry soil produce zinc nitrate and silver principal focus ‘ F on! The roots better mount main function of stomata are present on the diagram and Answer the questions. And respiration Get 3 of 4 questions to level up save my name state... By practising with our Frank Solutions Biology diagrams from previous year papers: 1 Where is... Along with a well-labelled diagram is stomata diagram class 10 below for reference stage shown here by giving one reason ’. To the protective membranes of the stomata are controlled by the guard cells, they up! Light and electricity solution of a leaf peel under a microscope also the! Current carrying straight conductor passing through a soap solution before testing disabled in your browser a diagram. Diagram for the electrolytic refining of copper in gaseous exchange Unit: Life Processes urine... Chemical reactions and diagrams form an essential part of the plants as seen under the microscope, they shrink become. An important role in gaseous exchange plants to reduce transpiration are as follows:1 the CBSE is a prestigious Board! Identify different parts in a china dish and the china dish and the china and. 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Class 10 Biology textbook Solutions my name, email, and website in browser. The size and shape of stomata with supporting diagrams by practising with our Frank Solutions peel. You have Javascript disabled in your browser because they permit the exchange of gases Cork it. Of a plant except the roots Manual Scoring Key with Explanation openings present on the reactions and construction. Sequence to show the flow of gases Cork – it is protective in function ) name the gas the...

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