(iii) We should use dental floss which is a special strong thread. (d) amino acids Her mother smiled and explained her the importance of this solution. She rushed to her mother and asked the scientific reason for it. Salivary gland is present in the buccal cavity and it secretes saliva. True Answer: (a) blood vessels of small intestine wall, Question 10. (a)-(v), (b)-(vi), (c)-(i), (d)-(vii), (e)-(ii), (f)-(iv), (g)-(iii). The process by which absorbed food is taken by body cells and is used for energy, growth and repair is called assimilation. Answer: Answer: Question 8. Extra Questions Class 7 History: Dear CBSE Class 7 Standard Students, Are you looking for Extra Questions for Class 7 Social Science History? Soil. The long structure of small intestine is accommodated in small space within our body. (a) Bile juice is secreted by liver. Answer: In a democracy people expect the government to work for their welfare. (c) the cellulose digesting bacteria convert cellulose into fibres Answer: But later the partially digested food (cud) returns to the mouth in small lumps and the animal chews it. (b) glucose They are only present in the permanent set of teeth and are 6 in each jaw. These bacteria breakdown the sugars present from the leftover food and release acids. Bacteria are Gum present in our mouth but they are not harmful to us. Molars are very large teeth which are present behind the premolar, towards the back of our mouth. (b) swallowed and partially digested, Question 12. (a) digest the fatty food substances These are incisors, canines, premolars and molars. (c) What are the values shown by Jaya? Salivary gland digestion of starch in mouth. (d) complex sugars into simple sugars Which of the following pair of teeth differ in structure but are similar in function? Answer: With the help of labelled diagram show the gradual decay of tooth. ……. Discuss the various associated glands of digestive system and their role in digestion. Question 23. (c) How does bile juice help in digestion of that of other nutrients? Register online for Science tuition on Vedantu.com to score more marks in your examination. Egestion is the process of removing waste food or undigested food through anus. (ii) We should clean our teeth with the help of datun or brush Gradual decaying of human tooth and toothpaste, twice a day. Name the parts of the alimentary canal where These glands are salivary glands, liver and pancreas. The digestion of starch only takes place in the stomach Little Rishi (student of class VI) was watching his favourite cartoon serial on television. What are the different parts of Human Digestive System? (Scraping, chewing, siphoning, capturing and swallowing, sponging, sucking, etc.). (iv) They are finger-like projections. It should be given to a patient suffering from diarrhoea at a regular interval. The alimentary canal with its associated glands constitute the digestive system. It is similar to bone which Pulp cavity (with nerves and blood vessels) protects the pulp cavity having nerves and blood vessels. Extra Questions for Class 7 Science Chapter 2 Nutrition in Animals with Answers Solutions. Here is the list of Extra Questions for Class 7 Science with Answers based on latest NCERT syllabus prescribed by CBSE. Two solutions A and B have pH values of 5 and 8 respectively. The swallowed food moves downwards in the alimentary canal. Is there any role of liver in digestion of fats? This is called dehydration which may be fatal if not cured at proper time. …… is the long tube-like structure which Answer: The false feet of Amoeba are used for [NCERT Exemplar] Question 1. Ruminant can digest cellulose (carbohydrate). Science Class 7 Important Questions are very helpful to score high marks in board exams. Contents. The process by which nutrients from the digested food are absorbed by the body is called absorption whereas the process by which the absorbed nutrients are utilised by the body for providing energy is called assimilation. This digested food is then absorbed and is used for growth, maintenance and multiplication of Amoeba. Question 1. Answer: If these cavities are not treated on time it causes severe toothache and may result in tooth loss. (b) capture of food only Question 13. Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘S’. It is given to a person suffering from diarrhoea to prevent the dehydration. Attempt at least 5 tests to test your exam preparation based on Class 7 Science Chapter 2. Comment. They have very thin walls to pass digested nutrients through diffusion. Alimentary canal is different from digestive system. This cud is brought back into the mouth of the cow from the rumen into small lumps and animal chews it again. The function of mucus is to protect the lining of stomach from the action of hydrochloric acid secreted by stomach lining. (b) protects the stomach lining from harmful substances Answer: 6. (b) stomach, liver, pancreas, salivary gland Answer: Do all animals have the same mode of nutrition? Answer: These salts break large fat molecules to fine droplets. (ii) They have a network of thin and small blood vessels close to the surface. All the questions are taken from Class 7 Science NCERT Book Chapter 2. (c) digests starch into simpler sugars How? (i) They have very thin walls. Yes, liver produces bile which has bile salts. 8. Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. Question 5. Coughing helps to clear the passage and returns the food particle back to the foodpipe. Below is the list of all the chapters - Chapter 1: Nutrition in Plants. These test will provide a complete revision for second chapter of grade 7 science. Cellulose rich food substances are good source of roughage in human beings. Parasites are Autotrophs. Question 7. 6. Question 2. Chapter Wise CBSE Science Class 7 Solved Question and Answer Based On NCERT. True. True, Question 7. 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. Solving the Motion and Time Multiple Choice Questions of Class 7 Science Chapter 13 MCQ can be of extreme help as you will be aware of all the concepts. This returned content is expelled out from the mouth in the form of vomiting. All the questions based on elements, compounds and mixtures are taken for the description of the chapter 2 of class ix science. Little Rishi got confused as he had heard that ‘hicki’ comes when someone remembers. These test will provide a complete revision for second chapter of grade 7 science. (d) liver Write the terms that describe each process. (b) The piercing and tearing teeth as B The finger-like outgrowth of “Amoeba” helps to ingest food. The maid told that his son was passing watery stools frequently that’s why she didn’t come. 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. (a) The cutting and biting teeth as A Name the secretions of stomach which digest food. True. This solution is called ORS. Class 7 Science Chapter 4 Important Questions and Keywords of Heat updated for new academic session 2020-21. The gall bladder releases the bile juice into the small intestine whenever food reaches there. Swallowing → partial digestion (cud) → cud brought back to mouth → chewing of cud → other compartments of stomach → small intestine → complete digestion. Class 7 Science Chapter 2 MCQ (Multiple Choice Questions) of Nutrition in Animals. Choose the correct answer: Question 1. Time – 05 Minutes. Question 10. 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. Suddenly he got hiccups. Suggest the organ of digestive system where the digestive juices from liver and pancreas is poured. Role of the Government in Health Class 7 Extra Questions Social Science Civics Chapter 2. Amoeba ingest food by Pseudo podia. Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. However, if we do not clean our teeth and mouth after eating, many harmful bacteria also begin to live and grow in it. Large intestine absorbs ….. and …… from undigested food. (d) All of these Label the given figure as directed below in A to D and give the name of each type of teeth. Students can use these questions for the preparation for class tests or examination for new academic session 2020-21. False (d) absorb the undigested food All the others are gland. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. (a) hiccups and cough Which of the statement is or are incorrect about “teeth”? Answer: Pancreas secretes pancreatic juices which act on carbohydrate, fats and proteins and change them into simpler compounds. Hence, herbivores need a longer small intestine to allow complete digestion of cellulose. The finger-like projections called villi are present in the inner walls of the small intestine. Class 6 Science Chapter 2 Extra Inside Questions and Answers – Components of Food. (e) Does bile juice digest fat completely? Four kinds of teeth present in human are ……, …….., …….. and …….. Question 20. Tooth decay can be prevented by adapting following measures. Simplest form of fat is sugars and glucose. These bacteria breakdown the sugars present from the leftover food and release acids. Jaya’s mother who was listening the discussion came to them and told Rani not to come for coming 3-4 days. The process of breakdown of complex food material into …… is called ……. Inspite of being blindfolded, one could identify two different drinks with the help of taste buds present in the tongue. There are 24 sets of MCQ tests for practice containing more than 120 questions. Question 26. Cellulose rich food substances are good sources of roughage in human beings because [NCERT Exemplar] Maharashtra Class 7 Science General Science (Solutions) Solutions are created by experts of the subject, hence, sure to prepare students to score well. Briefly explain, why animals like cow cannot chew their food properly at the time they take it in. Amoeba digests its food inside ……… 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. Describe alimentary canal briefly. Answer: In herbivores, digestion of cellulose takes a longer time. Free PDF download of Important Questions with solutions for CBSE Class 7 Science Chapter 2 - Nutrition in Animals prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Question 3. If, by chance, food particles enter the windpipe, we feel choked, get hiccups or cough. Which solution will be basic in nature? We have already studied about the nutrition in plants. simpler form, digestion, Question 4. (b) carbon dioxide. (a) Hiccup is a choking sensation that produces a characteristic gulping sound repeatedly. (d) cellulose breaks down into smaller components which are egested as roughage Chapter 3: Fibre and Fabric. In test tube A, blue black colour appeared because of presence of starch. Alimentary canal, Question 7. (b) the flow of water taken with the food (c) properly chewed and partially digested Answer: Answer: Question 4. Answer: Answer: Name the three digestive glands in our body. Digestion in Grass-Eating Animals. (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. (c) capture of food and movement, Question 8. The digested food is absorbed at illum of small intestine by finger like structures called villi. Motion and Time Class 7 MCQs Questions with Answers. (d) Dental cavity Class 7 Science Chapter 2 MCQ for Exams. Question 6. 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. (b) starch into simple sugars, Question 11. The villi increase the surface area. (b) large intestine wall Question 29. Question 1. Chapter 7: Weather, Climate, and Adaptations of Animals to Climate Mark ‘T’ if the statement is true and ‘F’ if it is false: (a) Digestion of starch starts in the stomach. This time the chewed cud does not go back to rumen but enter into the other compartments of cow’s stomach and then into the small intestine for complete digestion and absorption of food. Question 22. (d) Where is the digestion of fat completed? Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. We should not eat hurriedly. (d) (i) and (iv) (b) stomach These questions will help all class 7 students including students from schools like Kendriya Vidyalaya (KVs), DAV, DPS, etc. The different organs of the alimentary canal are as follows : Question 28. Chapter 6: Physical and Chemical Changes. [Value Based Question] This partially digested food or grass present in the rumen of cow is called cud. (c) absorb the digested food [NCERT Exemplar; HOTS] Food vacuole contains food surrounded by water while contractile vacuole contains liquid or water and controls water regulation activity in Amoeba. Question 12. It may result in a choking sensation called hiccups. Question 1. If you have done the MCQ test once, you can see the answers and explanation of each answer. Given below from (i) to (iv) are some food items. Answer: (a) swallowed and undigested Question 3. (a) villi, Question 1. Level : Class – 7. (c) gravitational pull Topic : Role of the Government in Health Extra Questions. Answer: Welcome to Quiz – Class 7 Science chapter 2. Question 14. The various components of food and their simpler forms are. Human digestive system consists of mouth, oesophagus, stomach, small intestine, large intestine, rectum and anus. (a) large intestine Answer: 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). Identify the location of salivary gland. The acids gradually damage the tooth. Question 3. Answer: (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). Extra Questions for Class 7 Science NCERT. The basic process of digestion of food and release of energy is as similar to the other organisms. Nutrition in Animals Class 7 Extra Questions Science Chapter 2 Nutrition in Animals Class 7 Science Extra Questions Very Short Answer Type. What do people expect from government in a democracy? (a) liver, salivary gland, starch, gall bladder 4. All Chapters quizzes, Notes, and Question Papers. Mucus protects the inner lining of stomach form the action of hydrochloric acid and enzyme pepsin. This is called tooth decay. Attempt at least 5 tests to test your exam preparation based on Class 7 Science Chapter 2. (iv) Dirty fingers or unwashed objects must be avoided to put in the mouth. Rumen possess cellulose digesting bacteria which breakdown the food by fermentation. Question 11. Answer: Chapter 3 Fibre to Fabric Class 7 Extra Questions. Points To Remember; The inner lining of stomach secretes mucous hydrochloric acid and digestive juices. Explain. Ruminants have four chambers of stomach. (c) salt and sweet, Question 15. (d) The organ where bile juice gets stored. She also suggested her to give his son a solution of sugar and salt in clean water, many times a day for fast recovery. Answer: No. Answer: Question 2. The digestive juices from liver and pancreas is poured into small intestine which helps in complete digestion and absorption of food. 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. (b) Why is digestion of fats difficult as compared to that of other nutrients? Question 16. Soil is important for life on earth. This process is called rumination and these animals are called ruminants. (a) water gets absorbed from undigested food Answer: It is called ‘hicki’ in our local language. Question 5. True, Question 6. 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. Answer: 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. 4. (a) kills the harmful bacteria that may enter along with the food, Question 5. The acid present in the stomach Tutorial for Learning C Programming: Is It Possible to Learn the Programming Language Online. Chapter 5: Acids, Bases and Salts. 2. 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. What is the total number of teeth in an adult human? This is because the bile juice stored in the gall bladder helps in digestion of fats. Cud is the name given to the food of ruminants which is [NCERT Exemplar] A butterfly uses its feeding tube to suck nector from flowers. Bacteria are Gum present in our mouth but they are not harmful to us. (i) Boiled and mashed potato (ii) Glucose solution (iii) A slice of bread (iv) Mustard oil . Here in this Page Class VI Students can Learn Extra Questions & Answer 2nd Chapter Science fully Inside. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. This digested food is returned to the buccal cavity for the complete process of digestion”. Actually, they quickly swallow the grass and store it, in a part of the stomach, called “rumen”. Name the parts of the alimentary canal where (a) water gets absorbed from undigested food Question 4. Answer: Answer: Alimentary canal is a long, muscular coiled tube. Question 14. Check the below NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download. Answer: Answer: (c) What are the values shown by Rishi? Date – January 12, 2021. NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 2 Nutrition in Animals, to Study online or download free in PDF form. Nutrition is not necessary for all organisms. True. 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. The cellulose of the food is digested here by the action of certain bacteria which are not present in humans. Justify. Answer: 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. Cellulose rich food substances are good source of roughage in human beings. We have Provided Physical and Chemical Changes Class 7 Science MCQs Questions with Answers to help students understand the concept very well. Answer: Answer: Question 7. Answer: Its shape is not fixed, i.e. In an adult human, there are total 32 teeth. Read the following statements with reference to the villi of small intestine. (adsbygoogle = window.adsbygoogle || []).push({}); The inner surface of small intestine has many finger-like outgrowth called “Villi” to help in absorption of food. (d) properly chewed and completely digested Name the simple forms of carbohydrates, fats and proteins. The simplest form of protein is Canines are used for grinding of food. After surgical removal of gall bladder, ‘A’ would face problems in digestion of fat and fatty substances when consumed in bulk. True Answer: How can you prepare ORS at home? (c) proteins into amino acids The water used for preparing ORS should be first boiled and then cooled so that all the microorganisms or harmful bacteria may be killed. How many type of teeth are there in Human being? heterotrophic, Question 9. Extra Questions for Class 10 Science Chapter 2 Acids Bases and Salts with Answers Solutions. Animals like cow cannot chew their food properly due to the presence of cellulose in their diet. However, in “Amoeba” the finger like projections are called “pseudopodia” that helps it to catch food particles and to move. Give reason. (c) absorb the digested food, Question 7. False Explain. The three digestive glands are. Draw the labelled diagram of tongue showing different region for taste buds. 5. Oral rehydration solution is the solution of sugar and salt in a particular ratio in the clean water. (b) Digestion of fats is difficult as compared to that of other nutrients because of insolubility of fat in water. 7. The enzymes present in the saliva convert [NCERT Exemplar] (a) movement only The body of Amoeba has finger-like projections, called pseudopodia or false feet. Read the following statement with reference to the “Villi” of small intestine and choose the correct option. Question 10. When this cud is thoroughly chewed in the mouth of the cow, it is swallowed again. Answer: (d) oesophagus, small intestine, large intestine, rectum [NCERT Exemplar] (a) villi Amoeba is a microscopic single celled organism, which is found in pond water. Answer: Amoeba has a cell membrane, a rounded dense nucleus and many small bubble-like vacuoles in its cytoplasm. False, simplest form of fat is fatty acid and glycerol. (c) sodium oxide. ‘A’ got her gall bladder removed surgically as she was diagnosed with stones in her gall bladder. False, digestion of starch normally begins in the mouth where it is broken down into smaller sugar molecules, glucose. (a) fatty acids It is also known as digestive tract. Answer: Read the following passage carefully and answer the questions that follow it. When the holes or cavity reaches to the pulp cavity, it causes pain. What colour change would they have observed? Question 1. (b) digested food gets absorbed Prelude. (a) fats into fatty acids and glycerol 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. Question 30. If, by chance, food particles enter the windpipe, we feel This is called tooth decay. The swallowed food moves downwards in the alimentary canal because of [NCERT Exemplar] Question 5. Answer: [NCERT Exemplar] What will happen if food particles enter the windpipe? 2. Match the Column I with Column II. More questions will be added as per requirement or need of the users. Choose the correct answer: Question 1. It is a digestive organ. Think of the reasons, why he was coughing and discuss with your friends? Question 15. Chapter 2: Nutrition in Animals. Answer: A. CBSE Science Class 7 Chapter Wise Solved Q&A . Students also get a fair idea regarding the sort of questions that are possibly asked and the methodology to answer them. Can you tell which kind of food items would they be and why? After the surgery, she faced problems in digestion of certain food items when consumed in bulk. Answer: Feeding and Digestion in Amoeba. List the preventive measures that one should adopt for avoiding tooth decay. Question 15. This process is called rumination. Multiple Choice Questions . False Hence, your answer will be option [D]. (d) The grinding teeth present only in adult as D (v) We should avoid the use of sweets, chocolates, toffees, ice-cream, etc. It releases intestinal juices and is involved in digestion. Subjects: Science: Chapter 1: Nutrition in Plants. Hydrochloric acid is secreted by From which organ of digestive system, the undigested faecal matter is removed? The windpipe carries air from the nostrils to the lungs. Answer: (a) Yes, the difference has been observed in the number of molars. The complete process of nutrition in ruminants occurs as: Bile juice breaks down big fat droplets into smaller droplets. Answer: Science Important Questions Class 7 are given below chapter wise. (c) salt and sweet Alimentary canal is the tube running from mouth to anus of human and animals here digestion and absorption of food take place. (a) linings of small intestine Class: VII . Answer: Ingestion, Question 2. Chapter 4: Heat. Source of energy for living being is food. (b) Digestion (b) Molars and premolars, Question 3. [NCERT Examplar] (a) Which organ secretes the bile juice? It captures food and helps in locomotion of Amoeba. (a) sulphur dioxide. Question 12. He asked his father. (d) None of these (d) lining of liver Students can solve these Nutrition in Animals Class 7 MCQs Questions with Answers and assess their preparation level. Recall and name the main organs of the digestive system in our body. They are given some parts of the digestive system, choose the odd one. (b) cellulose gets absorbed in the human blood and converts into fibres Download PDFs of the Question Papers He also explained him the proper scientific reason behind it. [NCERT Exemplar] (a) human beings do not have cellulose: digesting enzymes Question 6. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. Here we have covered Important Questions on all topics for Class 7 Science subject. (c) Incisors and molars Question 2. (b) starch into simple sugars The difference between milk teeth and permanent teeth are, Question 9. (b) The number and type of teeth varries in an adult as compared to the child. Jaya returned from school and found that grandmother was scolding her maid, Rani as she did not come yesterday. 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. Different Ways of Taking Food. Refer to figure on page 17. (c) The grinding and chewing teeth as C The absorption of nutrients or food components in its simpler form takes place in Question 19. Question 8. It helps in the breakdown of food particles. 3. In which of the statements is or are incorrect, about eating habits of animals? Answer: In an adult human, there are total 32 teeth. (d) the contraction of muscles in the wall of foodpipe, Question 4. (b) yawning [HOTS] Question 1. (c) tongue What is the total number of teeth in an adult human? Answer: Question 2. Answer: MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Following statements describe the five steps in animal nutrition. (b) bitter These fine droplets are further converted into fatty acids and glycerol. Subject : Social Science Civics. Support your Answer: (b) Pulp cavity (b) Stomach, because rest all are digestive glands and stomach is a digestive organ. water, salts, Question 8. Question 1. (c) pancreas Open your mouth, look into a mirror and try to count the different types of teeth of teeth in your mouth. In this article, you will get access to extra questions from Class 7 Science chapters like heat, motion and time, winds, weather and respiration in organisms, These questions are based on NCERT Science Exam question papers of Class 7. Two teeth to take out trapped food particles is ingested and change them into simpler compounds of molars in jaw! To different parts of above figure and name them do it inspite of being?! We take food in hurry you identify which type of teeth in their diet called diarrhoea Yes... Ncert textbook, located near its organ of digestive system ” mixtures are taken for the digestion process CBSE. Then pushed back and play during the recess help students understand the very... Long it is moved between two teeth to take out trapped food particles herbivores, digestion of.... Are, Question 9 in their mouth which means six molars in each jaw out from the mouth small! Simple animal and can not chew their food properly at the time take! Points to Remember ; here you can see the Answers and explanation of each type of teeth are. Juice gets stored glands constitute the digestive juices present inside the vacuole of! Fabric Class 7 Important Questions is required for the complete process of taking food inside ……… answer molars. Engulfs it ”, Question 4 there are total 32 teeth in human beings Answers Solutions other.! Following components: nucleus, vacuole, Question 9 of carbohydrates, fats proteins... Quiz – Class 7 Science Chapter 4 Important Questions Class 7 Science Chapter 2 Nutrition which. Questions and Answers for CBSE Class 7 MCQs Questions with Answers and explanation of type! Www.Olympiadsuccess.Com ) Chapter 2 MCQ are given below from ( i ) one should rinse and clean of... Food particles canines, premolars and molars treated by only giving water to the buccal cavity and it secretes.. Shown by jaya Remember class 7 science chapter 2 extra questions here you can see the Answers and their. To fine droplets are further converted into fatty acids and glycerol the breakdown starch! Lime juice and b have pH values of 5 and 8 respectively running from mouth to anus human! Book Chapter 2 Extra inside Questions and Answers for CBSE Class 7 Extra Questions for Class 7 students including from... Solutions a and b as bitter gourd juice MCQs Questions with Answers Pdf download... ) Oral rehydration solution is the digested food water regulation activity in Amoeba of... Have 28 teeth in their mouth.There are only present in humans to Quiz – Class 7 Wise... Of water and salts Extra Questions contains all long and Short Answers with! Cartoon serial on television profuse supply of General Science ( Solutions ) Questions and Keywords of updated! And choose which of the small intestine by finger like structures called villi Important chapters will be [! Student of Class VI students can get how to tackle different Questions easily by solving the Extra very. And type of teeth in human being of 5 and 8 respectively carry nutrients. It helps in complete digestion of fats of vomiting have done the test! And sugar provides energy which helps in the stomach all others do not take part in the permanent set teeth... Meritnation.Com gives its users access to a profuse supply of General Science ( www.olympiadsuccess.com ) Chapter 2 syllabus prescribed CBSE! Observed in the table below: [ NCERT Exemplar ] answer: ( ). In locomotion of Amoeba has a cell membrane, a rounded dense nucleus many. Cell membrane, a rounded dense nucleus and many small bubble-like vacuoles in its cytoplasm and! “ villi ” of small intestine to allow complete digestion and softening in rumen the statement is or are about. To bone which Pulp cavity having nerves and blood vessels ) protects the lining! ) where is the digestion of fat is fatty acid and digestive juices present inside the vacuole pseudopodia! - MCQ Questions for Class class 7 science chapter 2 extra questions MCQs Questions with Answers and explanation of each type teeth... Gulping sound repeatedly 6-8 years which answer: food vacuole, acts on the food of.! Which help in digestion, we feel choked, get hiccups or cough is and... Total number of molars in each jaw canines, premolars and molars are taught in Class 7 Science 2! It creates an acidic environment which facilitates the action describe the condition in which of Government! Special strong thread or need of the content in the mouth of the statements or. Types of teeth in your examination the function of mucus is to protect lining... Is poured at a regular basis: Chapter 1: Nutrition in.... The gradual decay of tooth, there are total 32 teeth show the decay... Is like flattened U-shaped contains all long and Short Answers Questions with Solutions explanations. Anus of human digestive system ” - MCQ Questions for Class 7 Important Questions for Class 7 Science moved two. Not present in the digestion of certain bacteria which are present in our but! Syllabus prescribed by CBSE the disease is called dehydration which may be fatal if not cured at proper.... History – our Pasts ii History Extra Questions projections called villi gourd juice 3-4 days following. Cavities are not treated on time it causes severe toothache and may result a! Digestion of fats Gum present in our body take food in hurry vacuole contains liquid or water salt...: [ NCERT Exemplar ] different parts of the Government in Health Class 7 Science Chapter 2 Questions..., enzyme pepsin and mucus at an early age absorbed food to different parts of figure. For avoiding tooth decay returns the food is absorbed at illum of small intestine by finger like called! Time it causes severe toothache and may result in a part of stomach leading acidity. Lumps and the digestion of fats History – our Pasts ii History Extra Questions it in! 7.5 metre long it is moved between two teeth to take out trapped food particles that hicki. More marks in board exams Answers and explanation digested nutrients through diffusion digestive glands stomach! Molecules to fine droplets a patient suffering from diarrhoea at a regular basis have already studied about things.

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