To fulfil the energy requirement, we breathe faster. (c) Do you support the group’s decision to not smoke in public or indiviually. 5. (b) sucrose Question 23. This oxygen is utilised for respiration. 10. The breathing rate during exercise is increased while during sleep it goes down. (c) Is sneezing a respiration process? Name one organism who respires anaerobically. (c) Both (a) and (b) After a massage, she was relieved of the pain. (c) dry and slimy Answer: These have a special organ for breathing called gills. is not involved in Krebs cycle. Answer: Answer: [NCERT Exemplar; HOTS] Pick the odd one out from each of the groups given below on the basis of respiratory organs. formed by complete oxidation of one molecule of pyruvic acid is, 2. Answer: 5. Answer: (c)-(ix) An intermediate compound is formed with the release of less amount of energy during this process. Most Important Questions (MIQ) for Introduction to Respiration - CBSE Class 10 Biology on Topperlearning. There are three animals named A, B and C. Among them A can stay on land as well as in water. Describe how photosynthesis and cellular respiration are important in your everyday life. (c) liver (a) down and inwards, Question 4. Observe the given figures carefully.and answer the following questions. (b) Can infections be passed from one person to another via sneezing? What are enzymes involved in phosphorylation and dephosphorylation reactions in Answer: Yeast upon incomplete breakdown of sugar or food produces CO2, alcohol and energy (in less amount). [AI 2008] Answer: Aerobic. 6. the correct explanation of A. (a) Exhalation process of respiration is being tested in the activity. Is the rate of breathing same for all the respiring organism? What changes are observed in diaphragm during inhalation? Respiration is a continous process. All the questions are hovering around the essential functions of this system. 7. 7.4k plays . Question 9. 45 seconds . The respiratory system's function is to allow gas exchange to all parts of the body. 1. (b) Movement of air, diaphragm and ribs are indicated in below figure: Question 8. Plants are unable to use CO2 during night and produces CO2 and takes O2 during respiration. Question 27. List the organs from (A) to (G). On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. Question 11. Answer: (b) The massage or hot water bath gives the relief from muscle cramp or pain, because it improves the circulation of blood leading to increase supply of oxygen to the muscle cells. (b) Earthworm, because it breathes through its skin and it does not have lungs. False, oxygen breaks down glucose inside the cells of organisms. Observe the given diagram of human respiratory system. SURVEY . (d) starch Answer: By Sergio Martin. oxidation during aerobic respiration as per recent view? End products are ethanol + CO 2 + energy. The air that we breathe in passes to the tiny sacs called 10. Explain in brief. 10. delicate, True/False E-Lungs Even plants need to respire in order to grow and synthesise the materials that they need. (a) bronchi The lungs take the oxygen rich air through the nostrils from where the oxygen is absorbed by the blood and carried throughout the body. Evaluation, Multiple choice questions with answers / choose the correct answer with answers, Book back 1 mark questions and answers, Answer the question. (a) glucose, Question 10. Answer: Plant structures like lenticels and stomata carry out the gaseous exchange in plants. [HOTS] (a) Among both figures identify which A or B indicates the process of inhalation and which shows the process of exhalation? Photosynthesis in Higher Plants class XI Biology NCERT book, refresher books and other reference books have many important questions. Answer: [HOTS] 10. These questions are repeatedly asked in exams in one or other way round. 3. stomata Question 12. (much energy is required). Answer: Answer: It lies between pharynx and trachea. (a) Which process is being tested in the activity? Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. Answer: Respiration converts potential or stored energy of food into Chemical energy Mechanical energy Kinetic energy All forms of energy Answer: 1 Q2. Here are 20-questions based on the Respiratory System. [HOTS] during the process of photosynthesis. Diaphragm forms the ………….. of the chest cavity. True Answer: The glucose is not completely broken down into carbon dioxide and water. Observe the given figures as A and B and answer the following questions. Previous Year Question Papers Class 9 - 12 Notes Click Here. Palak wants to be a great cyclist. (c) Sugar is added into the dough, because it acts as a food for yeast. 3. (a) Due to extensive exercise, formation of lactic acid occurred as muscles starts to respire anaerobically. Answer: Glucose is partially broken into lactic acid which causes body cramps. These possess nostrils which are called blow holes. Identify these pores? (c) Lactic acid and CO2 Lungs are very ………….. organ. 8. The roots of a plant take up oxygen from the ………….. trapped between the ………….. particles. (c) When there is not enough oxygen supply, Class 10 Chemistry Chapter 6 Important Questions with Answers Life Processes. 8. Respiratory quotient is zero in succulent plants. Normally we are breathing at a slower rate but during physical activities, to make sufficient amount of O2 reaching cells we breathe faster. Evaluation, Multiple choice questions with answers / choose the correct answer with answers, Book back 1 mark questions and answers, Answer the question. The human respiratory is sorely charged with taking in oxygen and dispersing carbon dioxide. (d) moist and slimy, Question 6. Question 8. The carbon dioxide produced during respiration is brought back by the blood into the gills and expelled into the surrounding water. (d) release waste substances in water Answer: 1. Please refer to the examination notes which you can use for preparing and revising for exams. On a cold day, the warm and moist air exhaled by us condenses into moist when it comes in contact with the cold air of the atmosphere, this looks like white smoke. (i)-(vi) Certain small pores are present on the surface of plant through which gaseous exchange occurs. Can you write two points of differences between these pores with respect to their position, number and extension into the body? Answer: (d) stomach When she came home she had mixed feelings of joy and pain as she had cramps in her leg muscles. True On the MCAT, it is very important to think about the most direct effect of the situation at hand (here, increased NADH levels), instead of thinking about potential factors that could have caused this situation. Question 7. The process of braeakdown of food in the cell with the release of energy is called cellular respiration. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. 6. carbon dioxide, water, energy Various organs constitute the respiratory system of human. (d) What values do we pick from this situation? (BS) Developed by Therithal info, Chennai. Living cells in plants have their surfaces exposed to the air. Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail, Evaluation, Multiple choice questions with answers / choose the correct answer with answers, Book back 1 mark questions and answers, Answer the question, 2. Answer: Hypothesis: I think that the animals will cause the liquid to move more than the plants, meaning that they use more oxygen. Help them to find the answer. 12. b. 7. inhalation List some animals around you. True A group of people were smoking cigarettes in a restaurant. Diaphragm is known as the floor of chest cavity. Less amount of energy is released. (a) Smoking is very injurious for the respiratory system. Answer: Explain the reactions taking place in mitochondrial inner membrane. These structures are responsible for the exchange of gases with the atmosphere. open our mouth wide to take a long and deep breathe, of air), because our breathing rate slows down and body do not receives sufficient oxygen. Fishes are the aquatic animals that live in water. Respiratory System MCQ (Multiple Choice Questions and Answers) Q1. Exchange of gases in the leaves takes place with the help of ………….. . (a)-(x) But in the night, plants do not photosynthesise. Answer: (a) down and inwards Takes place in presence of O 2. Respiration In Plant Biology Class 11 | Chapter 14| Most Important Question | CBSE NCERT KVS ICSE Hello Friends Welcome To Our YouTube Channel Meaty Education #Class11 #Biology #Chapter14 1. 2. Yeast is a single celled organism. Cellular Respiration Lab One important question to ask is, what factors can affect the rate of cellular respiration? Name the end products of anaerobic respiration in yeast. (b) Is breathing rate also affected after doing long hour of exercise. 5. After heavy exercise, we require large amount of energy. Apr 06,2020 - why respiration is important ?? Question 21. 1. This is because when a whale breathes air out of its blow hole it appears as a spray or misp, also called as spont. Importance of air in organic substrates: Root respiration is more important to consider in organic production because the root zone is full of natural microorganisms responsible for converting organic nutrients into usable ions. Which gas present in air is essential for aerobic respiration? He thought that fish will be more comfortable in luke warm water than cold water. During oxidation of two Question 14. End products are CO 2 + H 2 O + energy. Life Processes Class 10 Important Questions Short Answer Type II. Copyright © 2018-2021 BrainKart.com; All Rights Reserved. Faster breathing supplies more oxygen to the body cell for producing more energy, required for heavy exercises. Question 20. Question 12. They survive on land and water, do they have any respiratory issue? What is the need for it to be continuous rather than being like photosynthesis? For their functioning, cytochromes possess (a) Mg (b) Fe (c) Mn (d) Na: Answer: (b) 2. 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