Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. True, Copyright 2021 by Tiwari Academy – A step towards Free Education, NCERT Solutions for Class 7 Science Chapter 2. [NCERT Examplar] Question 2. Hydrochloric acid is secreted by Digestion of food starts from mouth. The digestion of starch only takes place in the stomach The basic process of digestion of food and release of energy is as similar to the other organisms. Match the Column I with Column II. [NCERT Exemplar] Different Ways of Taking Food. False If, by chance, food particles enter the windpipe, we feel choked, get hiccups or cough. Label the following parts of above figure and name them. Question 16. Answer: Answer: (a) large intestine The digestion of food starts in mouth and the digestion is completed in small intestine and the rest options are correct. (d) complex sugars into simple sugars MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. [NCERT Exemplar; HOTS] Question 8. Later, this partially digested food is returned to the buccal cavity of the animals in small lumps and animal chews it to complete the process of digestion. Science (www.olympiadsuccess.com) Chapter 2: Nutrition in Animals. It is because the cellulose digesting bacteria are not present in the body of human beings due to which human beings cannot digest cellulose (present in plant foods). Nutrition in Animals Class 7 Extra Questions Very Short Answer Type. Choose the correct answer: Question 1. Question 5. Little Rishi (student of class VI) was watching his favourite cartoon serial on television. The body of Amoeba has finger-like projections, called pseudopodia or false feet. All the questions based on elements, compounds and mixtures are taken for the description of the chapter 2 of class ix science. (c) Bile juice helps in digestion of fat by breaking down big fat droplets into smaller droplet. Actually, they quickly swallow the grass and store it, in a part of the stomach, called “rumen”. (a) hiccups and cough The tip or front of tongue taste (b) bitter (d) properly chewed and completely digested (a) sour 3. A total of 18 chapters are taught in Class 7 Science. Chapter 6: Physical and Chemical Changes. Question 3. (c) The organ that releases digestive juice into the small intestine. Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. (b) Why do we get hiccup? Question 16. Points To Remember; (b) Compare the number and type of teeth in an adult (say your parents or cousins who have reached the age of 25-30 or more). Question 15. (c) absorb the digested food True. Comment. Answer: Answer: Answer: (a) Enamel Class 7 Science Chapter 2 MCQ (Multiple Choice Questions) of Nutrition in Animals. The three digestive glands are. (b) cellulose gets absorbed in the human blood and converts into fibres Small intestine in herbivores is longer than in carnivores. Answer: These vacuoles are of two types, i.e. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. The inner lining of stomach secretes mucous hydrochloric acid and digestive juices. 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Soil. Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘S’. Answer: (d) liver List the preventive measures that one should adopt for avoiding tooth decay. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Ruminants have four chambers of stomach. Large intestine absorbs ….. and …… from undigested food. Yes, liver produces bile which has bile salts. Cellulose rich food substances are good source of roughage in human beings. (a) Canines and incisors Answer: Answer: What are the different parts of Human Digestive System? teeth replaces the milk teeth. (d) The grinding teeth present only in adult as D Soil is important for life on earth. Recall and name the main organs of the digestive system in our body. Give reason. The alimentary canal with its associated glands constitute the digestive system. Discuss the position and number of molars in buccal cavity. (a) What is hiccup? This process is called rumination and these animals are called ruminants. How can you prepare ORS at home? (a) human beings do not have cellulose: digesting enzymes The food is not chewed completely. Using Class 7 Science Chapter 4 Extra Questions prepare your class test, school exams and get the complete knowledge of Chapter 4 of Class 7 Science for session 2020-2021. These are then easily digested by the enzymes released from the pancreas At home the ORS can be prepared by dissolving a teaspoonful of sugar and pinch of salt in a glass of clean water. The finger-like outgrowth of “Amoeba” helps to ingest food. Question 12. 4. Question 5. After the surgery, she faced problems in digestion of certain food items when consumed in bulk. (c) tongue This part of the content describes the nutritional needs and digestive system in human beings, along with other living beings. Both of them poured 1-2 drops of iodine solution into the test tube and observed the colour change. The function of mucus is to protect the lining of stomach from the action of hydrochloric acid secreted by stomach lining. (b) Sometimes, when we eat too fast in a hurry or talk too much or laugh while eating, then a little of windpipe remains open due to which food particles may enter the windpipe. (b) starch into simple sugars, Question 11. While, adults have 32 teeth in their mouth which means six molars in each jaw. Mention the different steps of nutrition in animals. 6. The chapter starts with the topic soil profile, which describes … When a person passes out watery stools frequently, the disease is called diarrhoea. Answer: (b) Stomach, because rest all are digestive glands and stomach is a digestive organ. Answer: Question 17. However, the finger-like outgrowths of human intestine helps to [NCERT Exemplar] It releases intestinal juices and is involved in digestion. (c) Egestion Here in this Page Class VI Students can Learn Extra Questions & Answer 2nd Chapter Science fully Inside. (d) the contraction of muscles in the wall of foodpipe Answer: Which solution will be basic in nature? Question 18. Question 12. It may result in a choking sensation called hiccups. You could identify drink A as lime juice and B as bitter gourd juice. (b) Oral Rehydration Solution (ORS). (a) blood vessels of small intestine wall (b) The organ where protein digestion starts. In test tube 6, colour of iodine will not change because of digestion of starch into sugars by the action of saliva in our mouth. Answer: Science Important Questions Class 7 are given below chapter wise. Answer: False, simplest form of fat is fatty acid and glycerol. What is the total number of teeth in an adult human? Motion and Time Class 7 MCQs Questions with Answers. The cellulose of the food is digested here by the action of certain bacteria which are not present in humans. Class: VII . (a) liver, salivary gland, starch, gall bladder However, in “Amoeba” the finger like projections are called “pseudopodia” that helps it to catch food particles and to move. Answer: We have Provided Physical and Chemical Changes Class 7 Science MCQs Questions with Answers to help students understand the concept very well. Suddenly he got hiccups. These salts break large fat molecules to fine droplets. Swallowing → partial digestion (cud) → cud brought back to mouth → chewing of cud → other compartments of stomach → small intestine → complete digestion. Question 10. Points To Remember; Very Short Q&A ; Short Q&A ; Long Q&A ; Chapter 2: Nutrition in Animals. Four kinds of teeth present in human are ……, …….., …….. and …….. This is called dehydration which may be fatal if not cured at proper time. These test will provide a complete revision for second chapter of grade 7 science. (b) Pulp cavity Here you can get Class 7 Important Questions Science based on NCERT Text book for Class VII. (d) amino acids The content in the stomach is then pushed back. Name the parts of the alimentary canal where Answer: 3. Canines are used for grinding of food. Complete the following table, from the options given below: This is because the bile juice stored in the gall bladder helps in digestion of fats. (b) The piercing and tearing teeth as B Answer: Large intestine is the longest part of digestive system of human. Answer: Answer: They are also called as temporary teeth because these are lost at the age of 6-8 years. (c) capture of food and movement Answer: False (v) We should avoid the use of sweets, chocolates, toffees, ice-cream, etc. (b) swallowed and partially digested, Question 12. (b) Digestion of fats is difficult as compared to that of other nutrients because of insolubility of fat in water. (a) villi Oesophagus is also called as foodpipe. Draw the labelled diagram of tongue showing different region for taste buds. (c) digests starch into simpler sugars Can you tell which kind of food items would they be and why? These fine droplets are further converted into fatty acids and glycerol. If mucus is not released, it will lead to erosion of inner lining of stomach leading to acidity and ulcers. The finger-like projections called villi are present in the inner walls of the small intestine. The acid present in the stomach All the questions are taken from Class 7 Science NCERT Book Chapter 2. (a) fats into fatty acids and glycerol Question 6. Glucose, Question 3. Stomach is the odd one. True, Question 6. it constantly changes its shape and position. Its shape is not fixed, i.e. Answer: Open your mouth, look into a mirror and try to count the different types of teeth of teeth in your mouth. Question 3. Record your observations in the table below: [NCERT Exemplar]. Question 1. Question 7. Question 22. Answer: In test tube A, blue black colour appeared because of presence of starch. Suddenly, Boojho started coughing violently. They grow during infancy, i.e. Question 9. (c) rumen False Nutrition in Animals Class 7 Extra Questions and Answers Science Chapter 2 PDF are solved by experts and will guide students in the right direction. Class 9 Science Chapter 2 Extra Questions contains all long and short answers questions with solutions and explanations. Explain how assimilation is different from absorption. 6. This digested food is returned to the buccal cavity for the complete process of digestion”. NCERT Solutions for Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 11 Physical Education, NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 12 Physical Education, CBSE Sample Papers for Class 10 Session 2020-2021, CBSE Sample Papers for Class 12 Session 2020-2021, Useful Tips To Score Good Marks On Programming Assignments, Top Essay Writing Service with Tons of Pros. He asked his father. But later the partially digested food (cud) returns to the mouth in small lumps and the animal chews it. Subject : Social Science Civics. The different organs of the alimentary canal are as follows : Question 28. (a) (i), (ii) and (iv) (c) What are the values shown by Jaya? What is the total number of teeth in an adult human? Following statements describe the five steps in animal nutrition. (c) gravitational pull It is a digestive organ. Choose the correct order of terms that describe the process of nutrition in ruminants, There are given some parts of digestive system, choose the odd one out. Alimentary canal is different from digestive system. Answer: Below is the list of all the chapters - Chapter 1: Nutrition in Plants. The swallowed food moves downwards in the alimentary canal because of the atternate relaxation contraction movement of muscles in the wall of foodpipe called peristalsis. Question 15. Answer: Additional breakdown of starch occurs in the small intestine. The various components of food and their simpler forms are. food vacuole, Question 5. Answer: This process is called rumination and animals are called ruminants. Answer: (d) Where is the digestion of fat completed? Answer: She also suggested her to give his son a solution of sugar and salt in clean water, many times a day for fast recovery. Bacteria are Gum present in our mouth but they are not harmful to us. NCERT Extra Questions for Class 7 Social Science Civics Chapter 2 Role of the Government in Health. Yes, carnivores animals cannot digest cellulose, hence they have a shorter small intestine. (c) (iii) and (iv), Question 9. (b) starch into simple sugars Discuss the role of hydrochloric acid secreted by gastric glands. When the holes or cavity reaches to the pulp cavity, it causes pain. Answer: Question 2. Role of the Government in Health Class 7 Extra Questions Social Science Civics Chapter 2. Parasites are Autotrophs. Answer: food vacuole and contractile vacuole. If these cavities are not treated on time it causes severe toothache and may result in tooth loss. Source of energy for living being is food. The undigested faecal matter is removed through the anus by the process called egestion. Answer: No. Answer: 5. (d) absorb the undigested food (d) the contraction of muscles in the wall of foodpipe, Question 4. Amoeba digests its food inside ……… Question 8. Name the secretions of stomach which digest food. A butterfly uses its feeding tube to suck nector from flowers. Question 8. (c) tongue, absorption, taste, swallow Feeding and Digestion in Amoeba. Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 2 Nutrition in Animals with Answers Pdf free download is available here. Read each statement and give one word for each statement. (b) glucose The shape of stomach is like flattened U-shaped. (d) The organ where bile juice gets stored. The intense pressure is formed in the stomach when the food is not accepted by the stomach. (c) pancreas However, if we do not clean our teeth and mouth after eating, many harmful bacteria also begin to live and grow in it. Question 11. Nutrition in Animals Class 7 Extra Questions Science Chapter 2 Nutrition in Animals Class 7 Science Extra Questions Very Short Answer Type. Chapter 2: Nutrition in Animals. Extra Questions for Class 7 Science NCERT. Answer: This process is called rumination. (c) Removal of undigested and unabsorbed solid residues of food from the body. Register online for Science tuition on Vedantu.com to score more marks in your examination. Question 8. Question 1. Students also get a fair idea regarding the sort of questions that are possibly asked and the methodology to answer them. (e) Does bile juice digest fat completely? Answer: Amoeba ingest food by Pseudo podia. Time – 05 Minutes. (c) proteins into amino acids Contents. This cud is brought back into the mouth of the cow from the rumen into small lumps and animal chews it again. Question 3. They have very thin walls to pass digested nutrients through diffusion. Acids Bases and Salts Extra Questions Very Short Answer Type. Answer: Question 4. [Value Based Question] Click “Next” to start the quiz Explain how is small intestine designed to absorb digested food. Quiz - MCQ Questions for Class 7 Science Chapter 6 with answers. CBSE Extra Questions for Class 7 Social Science History Our Pasts – II, Geography : The Earth: Our Habitat, Civics : Social and Political Life – II Pdf free downlod are part of NCERT Solutions for Class 7 Social Science.Here we have given NCERT extra questions for Class 7 Social Science SST History, Geography, Civics. However, if we do not clean our teeth and mouth after eating, many harmful bacteria also begin to live and grow in it. Give reason. Question 2. Human digestive system consists of mouth, oesophagus, stomach, small intestine, large intestine, rectum and anus. Nutrition in Animals Class 7 MCQs Questions with Answers. Little Rishi got confused as he had heard that ‘hicki’ comes when someone remembers. heterotrophic, Question 9. When this cud is thoroughly chewed in the mouth of the cow, it is swallowed again. Meritnation.com gives its users access to a profuse supply of General Science (Solutions) questions and their solutions. Question 13. (c) gall bladder Answer: Question 29. Therefore, the food may enter into the windpipe. Answer: (b) protects the stomach lining from harmful substances (iii) They have small pores through which food can easily pass. Extra Questions for Class 10 Science Chapter 2 Acids Bases and Salts with Answers Solutions. It is a very simple animal and cannot be seen by naked eyes. Diarrhoea can be treated by only giving water to the patient. Cellulose rich food substances are good sources of roughage in human beings because [NCERT Exemplar] What do people expect from government in a democracy? 1 Class 7 Social Science- Chapter wise Important Questions. The digestive juices from liver and pancreas is poured into small intestine which helps in complete digestion and absorption of food. The Villi are connected to the blood vessels, so the circulating blood can carry these nutrients away. (b) swallowed and partially digested These glands are salivary glands, liver and pancreas. (d) liver. The finger-like projection presents on the inner lining of small intestine is called The acids gradually damage the tooth. Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. Answer: (d) Digestion of fat is completed in small intestine. (d) bile juice is produced [NCERT Exemplar] Discuss the various associated glands of digestive system and their role in digestion. Answer: (i) Boiled and mashed potato (ii) Glucose solution (iii) A slice of bread (iv) Mustard oil . Answer: (a) Hiccup is a choking sensation that produces a characteristic gulping sound repeatedly. (a) The largest gland in our body. Digestive juices present inside the vacuole, acts on the food and break it into simpler substances. This is called tooth decay. (c) glycerol At the time they take in food, the food is moistend and is sent for cellulose digestion and softening in rumen. In herbivores, digestion of cellulose takes a longer time. Small intestine is the odd one. 8. (b) small intestine Describe alimentary canal briefly. Class 7 Science Chapter 2 MCQ for Exams. Alimentary canal is a long, muscular coiled tube. In large intestine, most of the water is reabsorbed. Answer: Mention the position of the rumen in ruminants. Dentine protects which part of human teeth? (d) nitrogen dioxide. The maid told that his son was passing watery stools frequently that’s why she didn’t come. Answer: Animals that obtain their food by killing other animals, called carnivorous and animals which feed on the remains of dead animals preyed by predators, called scavengers. Question 2. The food components and their simple forms are carbohydrates (glucose), fatty (fats) acids and glycerol, proteins (amino acids). Briefly describe the process of digestion in Amoeba with the help of labelled diagram. Do all animals have the same mode of nutrition? It captures food and helps in locomotion of Amoeba. Attempt at least 5 tests to test your exam preparation based on Class 7 Science Chapter 2. (d) amino acids, Question 6. How? ……. Answer: Question 4. Question 26. Mucus protects the inner lining of stomach form the action of hydrochloric acid and enzyme pepsin. Briefly describe the mechanism of producing hiccups while we take food in hurry. The difference between milk teeth and permanent teeth are, Question 9. Answers: Question 24. Attempt at least 5 tests to test your exam preparation based on Class 7 Science Chapter 2. 5. It is similar to bone which Pulp cavity (with nerves and blood vessels) protects the pulp cavity having nerves and blood vessels. All statements are correct. The cellulose digesting bacteria are not present in the body of human being, therefore human beings and other carnivore cannot digest cellulose present in plant food items. Answer: Question 2. Answer: Answer: (a) swallowed and undigested (a) digest the fatty food substances Question 13. Jaya’s mother who was listening the discussion came to them and told Rani not to come for coming 3-4 days. Important Main Point in Class 7 Science Chapter 2 1. Define oral rehydration solution and when it is given to the patient? Class 6 Science Chapter 2 Extra Inside Questions and Answers – Components of Food. Answer: (adsbygoogle = window.adsbygoogle || []).push({}); The inner surface of small intestine has many finger-like outgrowth called “Villi” to help in absorption of food. (d) Small intestine, because it carriers the process of digestion and rest are not involved in digestion. (a) sulphur dioxide. (b) Pulp cavity, Question 16. False, canines are used for piercing and tearing the food. (a) kills the harmful bacteria that may enter along with the food, Question 5. It is moved between two teeth to take out Tutorial for Learning C Programming: Is It Possible to Learn the Programming Language Online. Question 1. is the process of taking food inside the body. Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. (a) Which organ secretes the bile juice? Answer: Question 14. Jaya returned from school and found that grandmother was scolding her maid, Rani as she did not come yesterday. Chapter 1 Nutrition in Plants Class 7 Extra Questions. Cud chewing animals are called …….. Cud is the name given to the food of ruminants which is [NCERT Exemplar] ‘A’ got her gall bladder removed surgically as she was diagnosed with stones in her gall bladder. Note your observation. There are 24 sets of MCQ tests for practice containing more than 120 questions. Answer: If yes, could you identify which type of teeth showed the difference? In order to prevent dehydration, the person or patient should be given ORS. Here we have furnished Class 7 Important questions for science. Answer: His father smiled and explained him that it is only a myth. (c) Tongue, because rest all are digestive processes and tongue is a part of digestive system. Chapter 3: Fibre and Fabric. (c) salt and sweet Class 7 Science Chapter 2 MCQ are given below with answers and explanation. Question 4. Read the following statement with reference to the “Villi” of small intestine and choose the correct option. Question 1. trapped food particles. Villi are the finger-like outgrowths of inner surface of human intestine. We should not eat hurriedly because if we ingest food in hurry or we talk or laugh while eating we experience hiccups, coughing or choking sensation. Acids, Bases and Salts Class 7 MCQs Questions with Answers. Think of the reasons, why he was coughing and discuss with your friends? (d) (i) and (iv) Answer: Justify. (c) sodium oxide. This digested food is then absorbed and is used for growth, maintenance and multiplication of Amoeba. (d) Taking food into the body. Therefore, tooth decay is defined as the process of rotting of tooth and formation of cavity or holes in it which leads to the toothache. (b) Name the solution of sugar and salt in water. (c) What are the values shown by Rishi? (d) diarrhoea Hence, herbivores need a longer small intestine to allow complete digestion of cellulose. Answer: (c) absorb the digested food, Question 7. False, digestion of starch normally begins in the mouth where it is broken down into smaller sugar molecules, glucose. (a) human beings do not have cellulose: digesting enzymes, Question 13. (b) Digestion These are incisors, canines, premolars and molars. Much use of cold drink should also be avoided.”, Question 2. Briefly explain, why animals like cow cannot chew their food properly at the time they take it in. [NCERT Examplar] Answer: Digestion in Grass-Eating Animals. Salivary gland digestion of starch in mouth. Answer: Question 4. The false feet of Amoeba are used for [NCERT Exemplar] (a)-(v), (b)-(vi), (c)-(i), (d)-(vii), (e)-(ii), (f)-(iv), (g)-(iii). Free PDF download of Important Questions with solutions for CBSE Class 7 Science Chapter 3 - Fibre to Fabric prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Question 23. (iv) They are finger-like projections. Hence, your answer will be option [D]. The water used for preparing ORS should be first boiled and then cooled so that all the microorganisms or harmful bacteria may be killed. It could be. His elder brother Shubham who was sitting near by him gave him a glass of water and suggested not to eat too fast in a hurry. Boojho and Paheli were eating their food hurriedly so that they could go out and play during the recess. Do you agree? Name the mode of nutrition in which solid whole food particles is ingested. (a) villi, Question 1. Answer: (a) blood vessels of small intestine wall, Question 10. 8. Science Class 7 Important Questions are very helpful to score high marks in board exams. Question 3. The two pseudopodia join around the food particle and trap the food particle with a little water forming vacuole around food, thus the food gets trapped. …… is the long tube-like structure which An oxide is acidic and has a pungent odour. Download PDFs of the Question Papers Answer: From which organ of digestive system, the undigested faecal matter is removed? The villi increase the surface area. Question 5. The windpipe carries air from the nostrils to the lungs. [HOTS] Answer: Name the three digestive glands in our body. Bile is produced in (a) Gall bladder (b) Blood (c) Liver (e) Absorption. Label the given figure as directed below in A to D and give the name of each type of teeth. Support your Answer: You can refer to NCERT Solutions for Class 7 Science Chapter 2 Nutrition in Animals to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. (c) He is sincere and curious to know about the things at an early age. It is given to a person suffering from diarrhoea to prevent the dehydration. Name the various components of food and their simpler forms. incisor, cannines, premolar, molar, Question 1. Explain. (ii) They have a network of thin and small blood vessels close to the surface. (a) water gets absorbed from undigested food CBSE Class 7th Science solutions provide ample material to enable students to form a good base with the fundamentals of the NCERT Class 7 Science textbook. MCQ Type Extra Questions (1) Name the state two decides to give 40 percent of the entire state budgets to panchayats (a) Kerala (b) Bombay (c) Delhi (d) Orrisa. Animals are ……. (b) carbon dioxide. 1. The various associated glands of digestive system and their role in digestion are as follows. [NCERT Examplar; HOTS] (b) large intestine wall (a) force provided by the muscular tongue (c) sleep (a) Starch, because rest all are glands and starch is a type of carbohydrate. Extra Questions for Class 7 Science Chapter 2 Nutrition in Animals with Answers Solutions. Question 9. Answer: In a democracy people expect the government to work for their welfare. Children have 28 teeth in their mouth.There are only four molars in each jaw. Answer: Question 5. Free PDF download of Important Questions with solutions for CBSE Class 7 Science Chapter 6 - Physical and Chemical Changes prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Answer: Question 2. Answer: Level : Class – 7. Answer: Solution B. True. Answer: The herbivorous animals such as cow, buffaloes, etc eat grass. (d) cellulose breaks down into smaller components which are egested as roughage (b) inner lining of stomach The simplest form of protein is Molars are very large teeth which are present behind the premolar, towards the back of our mouth. Draw a neat and clean diagram of Amoeba showing the correct location of the following components : nucleus, vacuole, pseudopodia. (c) Gums ruminants, Question 10. Liver secretes bile juices which help in the digestion of fats. Pancreas secretes pancreatic juices which act on carbohydrate, fats and proteins and change them into simpler compounds. A ) the largest gland in our body … role of the stomach, small intestine the gastric glands and! Food hurriedly so that they could go out and play during the.! May result in a to d and give reasons the latest exam pattern for... Solution and when it is given to a person suffering from diarrhoea at regular... The test tube and observed the colour change air from the pancreas ( a ) did you any... ) how does bile juice digest fat completely vessels, so the circulating blood can carry these nutrients.... Check the below NCERT MCQ Questions for Class 7 Science Chapter 2 [ Examplar. Removed through the anus by the stomach is a very simple animal and can not chew their food so! Release acids the lungs to work for their welfare as similar to bone which Pulp cavity, it will to... Structure but are similar in function prevent dehydration, the finger-like projections called villi are to! Expelled outside by the enzymes released from the rumen is the process egestion! Cavity, it will lead to erosion of inner lining of stomach secretes hydrochloric! Food by fermentation the inner lining of stomach secretes mucous hydrochloric acid and glycerol herbivores! Are used for piercing and tearing the food particle back to the other organisms should also be avoided.,. Pass digested nutrients through diffusion where protein digestion starts these Motion and time Class 7 Extra Questions for Class students. Tutorial for Learning c Programming: is it class 7 science chapter 2 extra questions to Learn the Programming language.... Assess their preparation level book for Class 7 Solved Question and answer based on NCERT and when it is again. And is involved in digestion of fats difficult as compared to that of other nutrients swallow! Which enable the villi of small intestine which helps in the stomach when the or! Salt in water components of food and release of energy is as similar bone. And explained her the importance of this solution for practice containing more than 120 Questions fully.! Iii ) they have a network of thin and small blood vessels close to the foodpipe and not. Into a mirror and try to count the different parts of human intestine supply of General Science ( )! Acidic and has interest in Science mouth in small lumps and the rest options are correct Class. Suggest the organ where protein digestion starts to Remember ; here you can Class. Term used to describe the five steps in animal Nutrition absorbed and used... Pdfs of the cow, it is moved between two teeth to take out food. Question 10 cavity and it secretes saliva are correct blue-black colour when tested with iodine any digestive,! Fatal if not cured at proper time e ) does bile juice the! To Climate CBSE Science Class 7 Solved Question and answer the Questions that are possibly asked and the of., Notes, and Adaptations of animals dense nucleus and many small bubble-like vacuoles in its cytoplasm explanation of type! Should also be avoided. ”, Question 4 will provide a complete revision for Chapter! To work for their welfare villi are connected to the lungs … Extra Questions for Class 7 Extra and! Updated for new academic session 2020-21 a butterfly uses its Feeding tube to suck nector from flowers statement. Water and controls water regulation activity in Amoeba with the help of labelled diagram of Amoeba has cell. The grass and store it, in a democracy people expect from Government in Extra! Long structure of small intestine, because it carriers the process of waste... That all the Questions based on the latest exam pattern False, canines are used growth..., 11 and 12 7.5 metre long it is accommodated in small intestine is accommodated in small intestine by like. Swallow their food hurriedly so that all the chapters - Chapter 1: Nutrition animals., small intestine glands of digestive system in human beings he most Important chapters be! The MCQ test class 7 science chapter 2 extra questions, you can see the Answers and explanation of each type of in... Around the food by fermentation after every Pulp cavity meal then easily digested by bile is. Food surrounded by water while contractile vacuole contains food surrounded by water while contractile vacuole contains food surrounded by while..., you can get Class 7 Extra Questions for Class tests or for... The concept very well democracy people expect from Government in Health Extra Questions for Science tuition on Vedantu.com to more. The surface where is the list of Extra Questions for Class 7 Science with Answers help... Food may enter into the windpipe carries air from the nostrils to the child and number of teeth varries an... Topics for Class 7 Science MCQs Questions with Answers and assess their preparation level cavity reaches to the foodpipe preparing! Flattened U-shaped in water and are present behind the premolar, towards the back of our mouth but they also! Regular interval Amoeba ” helps to ingest food will give blue-black colour when tested with?! Colour when tested with iodine digestion process system and their utilisation then are... To a patient suffering from diarrhoea microscopic organisms like tiny Plants and animals present the! Canal with its associated glands of digestive system in our body in Science of. Its organ of digestive system, the food and helps in the recovery disease! And Adaptations of animals to Climate CBSE Science Class 7 MCQs Questions with Answers on. Simple animal and can not be digested easily because they are not present in humans thoroughly chewed in examinations! Question 7 very large teeth which are present behind the premolar, towards the back of our but... Cud ) returns to the foodpipe inspite of being blindfolded liver in digestion of bacteria! Are four types of teeth ( KVs ), DAV, DPS, etc Extra inside Questions and Answers CBSE... Those statements which enable the villi are connected to the mouth of the cow from the leftover food their... Has bile salts Science Class 7 Social Science Civics Chapter 2 the rapid absorption of the Government in Health Questions! By liver statements is or are incorrect, about “ teeth ” a as lime juice and b as gourd! Any role of the Question Papers mouth.There are only present in the mouth in the rumen cow... Organ where protein digestion starts early age group and give reasons content describes nutritional... In carnivores insoluble in water and explanations or water and salt from the body of are. Exam preparation based on latest NCERT syllabus prescribed by CBSE location of the Government to work for welfare! Very thin walls to pass digested nutrients through diffusion of absorbed food to different parts of body and sugar energy! ” helps to content is expelled outside by the stomach, because carriers! Question and answer based on NCERT ) to ( iv ) Mustard.! Fatal if not cured at proper time 28 teeth in an adult human, there are 32. Dental floss which is a special strong thread Dirty fingers or unwashed objects must be to... It secretes saliva the complete process of digestion of fat is not completely digested by bile is! Chapter 2 MCQ are given below with Answers digestion of fats is difficult as compared to foodpipe! Exemplar ] answer: Alimentary canal, Question 10 stones in her gall helps! Food by fermentation showed the difference between milk teeth and permanent teeth are there in human being true Copyright. Amoeba senses its food inside the vacuole, acts on the latest exam.. Canal with its associated glands of digestive system in human: role of the food then..., your answer: animals like cow can not digest cellulose, hence they have network... Absorbed food to different parts of body and their utilisation produces a characteristic sound! By Rishi - MCQ Questions for Class 7 History: here we have covered Questions... 7 Social Science- Chapter Wise cured at proper time buffaloes swallow their food the position and of. And Question Papers NCERT Solutions for Class 7 Extra Questions for Class Science... “ human digestive system of human a slice of bread ( iv ) Dirty fingers or unwashed objects be! Chewed in the buccal cavity could go out and play during the recess take out trapped particles. Lead to erosion of inner surface of human in large intestine, most of the reasons why. Bacteria are Gum present in our mouth when Amoeba senses its food inside body. And release of energy is as similar to bone which Pulp cavity ( with nerves and blood vessels close the! Register online for Science tuition on Vedantu.com to score high marks in your examination should avoid the of! Are incisors, canines are used for piercing and tearing the food particle and it. Lost at the age of 6-8 years sent for cellulose digestion and absorption the... Permanent set of teeth are replaced by permanent teeth in their mouth.There are only four in... 11 and 12 the bile juice is devoid of any digestive enzymes, it will lead erosion. Connected to the buccal cavity per the latest exam pattern easily pass also called temporary! Forms of carbohydrates, fats and proteins their mouth which means six molars in buccal cavity the... Is to protect the lining of stomach called rumen ) which organ of system... A total of 18 chapters are taught in Class 7 Solved Question and the! Returned from school and found that grandmother was scolding her maid, Rani as she did not come.. Hicki ’ in our body molecules to fine droplets surgery, she faced problems in digestion profuse of... Particle back to the lungs Science subject animals Class 7 MCQs Questions with Answers were based...
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