Therefore, the rate of breathing is also high in aquatic animals. If we add warm water, to the aquarium the dissolved oxygen will dissociate and move into the atmosphere again, leaving the least percentage of oxygen into the water (as it is known that the solubility of gases in water goes down as the temperature rises). It helps in complete breakdown of lactic acid into carbon dioxide and water. However, more specifically, aerobic respiration occurs in the MITOCHONDRIAL MATRIX or on the inside of the inner membrane of mitochondria (the "powerhouse" of the cell). What are the end products of aerobic respiration. What can be the possible reasons for the pain in her legs? Answer: During the process of inhalation diaphragm contracts and moves downwards. It lies between pharynx and trachea. Respiration in Organisms Class 7 Extra Questions Science Chapter 10 Respiration in Organisms Class 7 Science Extra Questions Very Short Answer Type Questions. Answer: The number of times a person breathes in a minute is termed as breathing rate. It can be shown by the following equation: Aerobic respiration is seen in most of the organisms such as humans (man), dogs, cats, lions, elephants, cows, buffaloes, goats, snakes, earthworms, frogs, fishes, etc. Q11. These animals breathe in through their nostrils and lungs. To learn more about the process and steps in Aerobic Respiration visit vedantu.com. Answer: The similarities and differences between aerobic and anaerobic respiration are as follows: Similarities: Food is oxidized in both cases and energy is released. Answer: Process of respiration yields energy which is required to perform a variety of routine activities. Sugar is added into the dough, because it acts as a food for yeast. Glucose (Presence of oxygen) → Carbon dioxide + Water + Energy. Complete oxidation of food matter (1 mole of glucose) occurs releasing 686 Kcal of energy. Tadpole, as it breathes through gills and do not have lungs. Answer: Stomata are the tiny pores that are present on the surface of plant through which gaseous exchange occurs. The oxygen dissolved in the water is extracted by the gills and the extracted oxygen is absorbed by the blood. The body starts respiring anaerobically in the absence of sufficient oxygen. AEROBIC RESPIRATION: Aerobic respiration takes place in the presence of oxygen. 1:50 500+ LIKES. We take deep breathes after we hold on breath for the one minute. The end product of glycolysis is... Cellular Respiration DRAFT. Alcohol and carbon dioxide are formed at the end of anaerobic respiration. ... During aerobic respiration, FADH2 is produced in... answer choices ...the Krebs cycle...the electron transport chain...fermentation...glycolysis. the rate of breathing decreases when we take rest or when we are sleeping. The roots of a plant take up oxygen from the ………….. trapped between the ………….. particles. During respiration, it is mainly the carbohydrate which is oxidized to produce energy. Unwanted particles like smoke, dust, pollen, etc., are called ………….. MCQ Questions for Class 7 Science: Ch 10 Respiration in Organisms. It occurs to maintain a healthy balance between intake of O2 and release of carbon dioxide. This is called passive smoking . Answer: The human respiratory system have following organs: Answer: During day, plants photosynthesis in the presence of sunlight and uses CO2 produced during respiration. Diaphragm forms the ………….. of the chest cavity. 700+ VIEWS. Complete oxidation of food matter (1 mole of glucose) occurs releasing 686 Kcal of energy. The glucose is not completely broken down into carbon dioxide and water. End products of anaerobic respiration are alcohol and CO 2 or lactic acid (in muscles). Question 1. The rate of breathing increases when we do strenuous physical works; such as running, swimming, jogging, etc. Differences between these two are as follows. BREATHING: The process of taking in and giving out air; for respiration; is called breathing. Animals that can breathe only through skin are earthworm and leech. It takes longer time to release energy. The plants do not possess any respiratory system still plants respire. 4. Respiration in Organisms Class 7 Extra Questions Science Chapter 10 Respiration in Organisms Class 7 Science Extra Questions Very Short Answer Type Questions. Answer: The process of breakdown of food in the cell with the release of energy is called cellular respiration. What are the end products of aerobic respiration. WHAT ARE THE END PRODUCTS OF ANAEROBIC RESPIRATION? During aerobic respiration the food is broken down into ………….. and ………….. and releases a lot of ………….. From prokaryotic bacteria and archaeans to eukaryotic protists, fungi, plants, and animals, all living organisms undergo respiration.Respiration may refer to any of the three elements of the process. Answer: During aerobic respiration, carbon dioxide and water are released along with a large amount of energy. Types of Respiration 1. Breathing rate of a person is not always constant. Answer: Anaerobes respire using anaerobic mode. Anaerobic Respiration. Question 3. It changes according to the oxygen requirement of the body. Insects have spiracles on the lower surface of the body. The end products are water and carbon dioxide. This oxygen is then carried to all the parts of fishes for respiration. Fish, as most fish breathe through their gills and do not have lungs. Answer: Fishes are the aquatic animals that live in water. No, it is process to remove / clear the particles harmful for us resulting in clean, fresh air to enter the lungs. In some cases, lactic acid is formed at the end of anaerobic respiration. When the frog is on land, a pair of lungs helps in respiration. Thus, it needs to be a continuous process. But I would like to add that ethanol is the end-product of anaerobic respiration in yeasts and some bacteria and not in plants. It produces small amount of energy as compared to aerobic respiration. Leave a comment It can be shown by the following equation: Glucose (food) Carbon dioxide + Water + Energy admin 4. Answer: Yeast is a single celled organism. Aerobic respiration takes place in mitochondria. Question: The cellular respiration process takes place in which cell organelle? Human cannot survive under water because they do not possess any gills to make use of oxygen dissolved in water for breathing. Glucose is partially broken into lactic acid which causes body cramps. Spiracles are fewer in number as compared to stomata. Exhalation process of respiration is being tested in the activity. At low temperature, the yeast will not respire to produce the byproducts of anaerobic respiration. During the process of aerobic respiration, oxygen is utilized and carbon dioxide, water and energy in the form of ATP are released as products. what happens to body and process of respiration? RATE OF BREATHING: When we are doing normal activities, the rate of breathing is normal. The food substances in living cells are oxidised in presence of oxygen, it is called aerobic respiration. Answer: The CO2 released by us is used by plants during the process of respiration and they release O2 as a result of this process which is used by rest of the organisms. Answer: Frog breathe by their moist skin and through lungs also. 1.2k SHARES. Answer: No, different organisms respire at different rate because they all perform different activities at all times. Spiracles lead to an extensive network of tracheal system which is absent in the leaves. those present nearby smokers. The end products of respiration in plants are (a) carbon dioxide, water and energy (b) starch and oxygen (c) sugar and oxygen (d) water and energy Answer: (a) carbon dioxide, water and energy 3. American Western Land & Trading. What is the end product of respiration in most of the organisms? Answer: Cellular respiration takes place in the cells of all organisms. ANAEROBIC RESPIRATION: Anaerobic respiration takes place in the absence of oxygen. What are the end products of anaerobic respiration? It is the process of breakdown of glucose in the absence of oxygen. Due to this, rate of breakdown of food increases and more energy is released. Glucose (Presence of oxygen) → Carbon dioxide + Water + Energy. 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. Answer: 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. (d) It produces large amount of energy compared to aerobic respiration. Aerobic Respiration. The end products are alcohol and carbon dioxide or lactic acid. Respiration is the process in which organisms exchange gases between their body cells and the environment. Cellular waste products are formed as a by-product of cellular respiration, a series of processes and reactions that generate energy for the cell, in the form of ATP.One example of cellular respiration creating cellular waste products are aerobic respiration and anaerobic respiration.. Each pathway generates different waste products. This can be shown by following equation: Carbohydrate + Oxygen → Carbon dioxide + Water + Energy. The fishes breathes by taking in water through its mouth and sending it over the gills. Photosynthesis and Respiration ICSE Class-7th Concise Selina Biology Solutions Chapter-4 .We Provide Step by Step Answer of Objective, True False , Fill in the blanks , Match the following , Short/Long Answer Type of Exercise-4 Photosynthesis and Respiration.Visit official Website CISCE for detail information about ICSE Board Class-7. It is the average breathing rate of an adult human being. The end of products formed are CO 2 and H 2 0. The lime water in test tube B turns milky but water in test tube A remains unchanged. It produces large amount of energy. Answer: During aerobic respiration, carbon dioxide and water are released along with a large amount of energy. The end products of an aerobic respiration are: (a) carbon dioxide (b) water and energy (c) both (a) and (b) (d) none of these. The end products of anaerobic respiration are acids, alcohols, gases, and energy. End products of aerobic respiration are carbon dioxide, water and energy in the form of (38) ATP. Anaerobic Respiration. Energy produced: A total of 38 ATPs are produced during aerobic respiration, some of which are lost during the process. Question 1. The end products formed are CO 2, H 2 O and energy. When there is the presence of oxygen then Aerobic Respiration takes place. What values do we understand from here. This is because when a whale breathes air out of its blow hole it appears as a spray or misp, also called as spont. The end products of anaerobic respiration are alcohol, carbon dioxide and energy. Answer: The gas, carbon dioxide is in higher percentage or amount, when we exhale or breathe out. MCQ Questions for Class 7 Science: Ch 10 Respiration in Organisms. When sneezing, you should cover your nose so that the particles expelled by you would not be inhaled by others. The carbon dioxide produced during respiration is brought back by the blood into the gills and expelled into the surrounding water. Aerobic respiration happens in most of the organisms. In what stages of aerobic cellular respiration is ATP made? Carbon dioxide and water are the end products of aerobic respiration, while alcohol is the end product of anaerobic respiration. Lactic acid is formed due to anaerobic respiration in the muscle cells after heavy exercise or running. Photosynthesis requires the products of aerobic respiration (carbon dioxide and water), while aerobic respiration requires the products of photosynthesis (glucose and oxygen). Respiration in Organisms Class 7 Extra Questions Very Short Answer Type. Only 2 ATPs are formed during anaerobic respiration. Answer: Lungs are very delicate organs and essential for breathing, thus beeping us alive. Differences: Carbon dioxide and water are the end products of aerobic respiration, while alcohol or lactic acid is the end product of anaerobic respiration. It involves two major steps: The number of times a person breathes, in a minute is called as breathing rate. respiration in plants; class-11; Share It On Facebook Twitter Email. Why did she fell comfortable after a massage? What is produced during anaerobic respiration in muscles that causes cramps? These chemicals present in tobacco damages the lungs in many ways tike breathing becomes difficult causes lung cancer, heart diseases, etc. Partial breakdown of food occurs in this. Yeast requires high temperature to grow, multiply and to respire. Question 1. Can smoking also affect the person who does not smoke? What would have happened if the dough was kept in the refrigerator, soon after it was prepared? It is a slow process compared to aerobic respiration. Where does cellular respiration take place? Copyright © 2021: 2Classnotes.com |, Respiration in Organisms: 7th NCERT CBSE Science Ch 10. Aerobic respiration is thought to have evolved as a modification of the basic photosynthetic machinery. End product of aerobic respiration are. A living being cannot survive even for a few seconds, without respiration. Glucose (Presence of oxygen) → Carbon dioxide + Water + Energy. The end of products formed are CO 2 and H 2 0. May 29, 2020 In contrast, anaerobic respiration (without O2) strictly occurs in the cytoplasm of the cell (a process called GLYCOLYSIS). Movement of air, diaphragm and ribs are indicated in below figure: Animals that can breathe only through skin. Oxygen breaks down glucose outside the cells of organisms. Aerobic respiration happens in most of the organisms. Final product in aerobic respiration are carbon dioxide and water, whereas Lactic acid (animal cells), carbon dioxide and ethanol (plant cell) is the final product in anaerobic respiration. Answer: When we exhale into lime water its colour changes, into slightly milky white because exhaled air contains CO2. Dear Student, Bhupendra. Answer: Pores present on the sides of insects are called spiracles while pores present on the surface of leaves are called stomata. Frogs can breathe through their skin as well as lungs. Share 10. Question 2. 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. Answer: The various organs in the respiratory system of human are nostrils, nasal passage, nasal cavity, windpipe and lungs. Answer: When we work hard or perform physical activity (like running, swimming, cycling), we need more energy. Smoking is very injurious for the respiratory system. Energy is released in lesser amount. Give one example of each case where such a respiration can occur. The end products are carbon dioxide and water. During aerobic respiration, glucose is completely broken down into carbon dioxide and water and energy is released. The exchange of gases in plants takes place through stomata. 5. 1 Answer +1 vote . During aerobic respiration, glucose is completely broken down into carbon dioxide and water and energy is released. The food substances in living cells are oxidised in presence of oxygen, it is called aerobic respiration. 3. Anaerobic respiration also happens in our muscle cells. End products: The end products of aerobic respiration are carbon dioxide, water, and energy. Answer: When we feel drowsy, sleepy or tired, we yawn (i.e. ANAEROBIC RESPIRATION: Anaerobic respiration takes place in the absence of oxygen. Answer: The end product formed during anaerobic respiration in yeast are. 2. Breathing involves two man steps, viz. As respiration happens inside the cell, it is also called cellular respiration. Glycolysis takes place in (a) cytoplasm (b) chloroplast (c) ribosome (d) mitochondria Answer: (a) cytoplasm 2. Reactants Because CO. Respiratory process occurs in two phases, what are those two major steps of respiration? Gills are actually the projections of skin and have blood vessels for the exchange of respiratory gases. There blow holes are located on the upper parts of their heads. 2. 3. During sneezing, what are the precautionary steps to be followed? It takes place when oxygen is not present. Oxygen breaks down food and releases energy during respiration. These organisms that carry out respiration in the absence of oxygen are called anaerobes. Play this game to review Respiration. Home; About; Inventory; Contact; January 11 2021 After heavy exercise, we require large amount of energy. Preview this quiz on Quizizz. The waste products of aerobic respiration are carbon dioxide and water. Animals that can breathe through spiracles and tracheae are grasshopper, cockroaches, ants, housefly and mosquito. Exchange of gases in the leaves takes place with the help of ………….. Cockroaches breathe with the help of air tubes called ………….. ………….. is an essential phenomenon for the survival of living organisms. The dough rises due to the release of carbon dioxide during anaerobic respiration by yeast cell. The end products of fermentation are ethyl alcohol and carbon-dioxide and Lactic acid depending upon organism. Anaerobic respiration usually happens in most of the microbes. During the aerobic respiration the final products are CO2 and Energy equivalents ATP No.of ATP produced are 38. 1. inhalation and exhalation. Answer: Sea animals like dolphins and whales live in water but unlike fishes, they do not possess gills for respiration. 2. RESPIRATION: The biological process in which food is utilized to produce energy is called respiration. It is a fast process as compared to aerobic respiration. Smoking tobacco in the form of beedi, cigarette or cigar damages our lungs gradually and causes ill health. Animal B lives in water and respires through a specific organ called gills. The end products are water and carbon dioxide. Once the person takes rest for some time, the pain goes away. Do you support the group’s decision to not smoke in public or individually. In the figure label the arrows and indicate the direction of. Therefore, fishes will have difficulty in breathing in the absence of oxygen and will die. The rapid breakdown of food makes us to feel more hungry. Owing to complete oxidation of glucose, a large amount of energy is produced (36-38 ATP molecules) 4. Dolphins and whales comes to the surface of sea-water from time to time to breathe in air, sometimes whales release a function of water that moves upwards like a spray. This happens in almost all the organisms. Because of this, food gets broken down at a faster rate and thus make us feel hungry. Class 7 Science Respiration in Organisms Textbook Exercise Questions and Answers. Carbon dioxide and water are the end products of aerobic respiration. Complete breakdown of food occurs in this. Answer: Cellular respiration takes place in the mitochondria of the cell. Breathing rate of a person is not ………….. always ………….. Refer to text on page 141. Fast breathing helps in supply of more oxygen to our cells. Yeast, during anaerobic respiration also produces alcohol which results in the sour smell of dough. End products of anaerobic respiration can be lactic acid or CO2and alcohol. K - University grade. This happens in almost all the organisms. Aerobic respiration releases more energy than anaerobic respiration. Lactic acid is produced during anaerobic respiration in muscles that causes cramps. NCERT Solution for Class 7 Science Chapter, NCERT Solutions for Class 7 Science Solutions, An Alien Hand: NCERT 7th Class CBSE English Chapter 10, A Tiger in the House: 7 Class CBSE An Alien Hand English 9, The Bear Story: 7th Class CBSE An Alien Hand English Ch 8, Chandni: 7th Class CBSE An Alien Hand English Chaptor 07, I Want Something in a Cage: 7th Class CBSE English Ch 06, Golu Grows a Nose: 7th Class An Alien Hand English Ch 05, US Immigration Lawyers – Law Offices of Vivek Malik, (vii) Structural and functional unit of body. What is the end product of anaerobic respiration in muscle cells? Name the end products of aerobic and anaerobic glycolysis. ANAEROBIC RESPIRATION: Anaerobic respiration takes place in the absence of oxygen. Aerobic Respiration. Root cells get oxygen from the air present in the space between the soil particles. Answer: Respiration is a biological process in which food is utilized to produce energy. Which end product(s) of glycolysis contain carbons from glucose? Answer: Earthworm is an animal where exchange of gases during breathing or respiration takes place through its thin and moist skin. Blow holes are surrounded by muscles that keep the holes closed when the whales or dolphins are under water and opens it when the animal is at the surface and needs to breathe. Question From class 12 Chapter RESPIRATION End product of aerobic respiration are 000+ LIKES. Respiration is necessary for survival of the living beings. Photosynthesis and aerobic respiration are both part of a cyclic process of biochemical reactions. This helps the root to respire through the air present in the space between soil particles. Types of Respiration 1. Aerobic Respiration. Yeast is an organism respiring anaerobically. Alcohol and carbon dioxide are formed at the end of anaerobic … The end products of Aerobic respiration are CO2 and HO2 and Anaerobic respiration can be latic acid or CO2 and Alcohol. End products of ethanol fermentation are ethanol and carbon dioxide; that of lactic acid fermentation are lactic acid: 4. 1,840 Views. Plants lack a specialized respiratory system. The complete breakdown of food takes place in aerobic respiration. If the dough is kept in the refrigerators after it was prepared, then dough will neither raise nor become sour. Answer: Our nostrils possess hairs and mucous lining. Ans. 700+ SHARES. What values you learn from this? Explain. The plant roots being underground respire by using which mechanism? *Glycolysis (2) *Citric Acid Cycle (2) *Electron Transport Chain (34) (in liver, kidneys & heart) NO ATP PODUCTION IS ACETYL-CoA FORMATION. Temperature to grow what are the end products of aerobic respiration class 7 multiply and to respire the person who does not smoke in public individually! Or when we are doing normal activities, to make sufficient amount of energy acid 4. 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