(b) Why is digestion of fats difficult as compared to that of other nutrients? Answer: In an adult human, there are total 32 teeth. Prelude. (a) blood vessels of small intestine wall (c) Tongue, because rest all are digestive processes and tongue is a part of digestive system. Role of the Government in Health Class 7 Extra Questions Social Science Civics Chapter 2. 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. The tip or front of tongue taste Answer: These fine droplets are further converted into fatty acids and glycerol. Little Rishi (student of class VI) was watching his favourite cartoon serial on television. True 1.1 Class 7 Social Science Extra Questions- Devotional path; 1.2 Class 7 Social Science Extra Questions- On Equality; 1.3 Class 7 Social Science Extra Questions- Political Formations; 1.4 Class 7 Social Science Extra Questions- Regional Cultures; 1.5 Class 7 Social Science Extra Questions- The Mughal Empire Choose the odd one out from each group and give reasons. Answer: There are four types of teeth found in human being. Jaya returned from school and found that grandmother was scolding her maid, Rani as she did not come yesterday. True. (c) capture of food and movement, Question 8. Answer: (a) kills the harmful bacteria that may enter along with the food, Question 5. Question 10. (d) Premolars and canines He also explained him the proper scientific reason behind it. Comment. Question 2. Multiple Choice Questions . Question 8. Time – 05 Minutes. Additional breakdown of starch occurs in the small intestine. Extra Questions Class 7 History: Dear CBSE Class 7 Standard Students, Are you looking for Extra Questions for Class 7 Social Science History? (i) They have very thin walls. (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). Here is the list of Extra Questions for Class 7 Science with Answers based on latest NCERT syllabus prescribed by CBSE. (d) liver Its shape is not fixed, i.e. (c) sodium oxide. [NCERT Examplar; HOTS] Answer: The process by which absorbed food is taken by body cells and is used for energy, growth and repair is called assimilation. What do people expect from government in a democracy? You could identify drink A as lime juice and B as bitter gourd juice. Read the following statement with reference to the “Villi” of small intestine and choose the correct option. [NCERT Exemplar] This is because the bile juice stored in the gall bladder helps in digestion of fats. Answer: (b) capture of food only Answer: Question 3. Digestion of food starts from mouth. The water used for preparing ORS should be first boiled and then cooled so that all the microorganisms or harmful bacteria may be killed. (a) fats into fatty acids and glycerol Ingestion, Question 2. If, by chance, food particles enter the windpipe, we feel choked, get hiccups or cough. (a) The largest gland in our body. The rumen is the sac-like structure which is present between small intestine and large intestine in ruminants. Actually, they quickly swallow the grass and store it, in a part of the stomach, called “rumen”. False Animals like cow cannot chew their food properly due to the presence of cellulose in their diet. Source of energy for living being is food. (a) human beings do not have cellulose: digesting enzymes 5. Answer: Welcome to Quiz – Class 7 Science chapter 2. Question 26. In which of the statements is or are incorrect, about eating habits of animals? Justify. ‘A’ got her gall bladder removed surgically as she was diagnosed with stones in her gall bladder. Amoeba is a microscopic, single celled animal. Date – January 12, 2021. Soil. (a)-(v), (b)-(vi), (c)-(i), (d)-(vii), (e)-(ii), (f)-(iv), (g)-(iii). Hence, your answer will be option [D]. (b) stomach, liver, pancreas, salivary gland Answer: Name the mode of nutrition in which solid whole food particles is ingested. The maid told that his son was passing watery stools frequently that’s why she didn’t come. When this cud is thoroughly chewed in the mouth of the cow, it is swallowed again. Question 2. This process is called rumination. They are given some parts of the digestive system, choose the odd one. Answer: Answer: Pancreas secretes pancreatic juices which act on carbohydrate, fats and proteins and change them into simpler compounds. It is called ‘hicki’ in our local language. Answer: Amoeba has a cell membrane, a rounded dense nucleus and many small bubble-like vacuoles in its cytoplasm. Question 24. It creates an acidic environment which facilitates the action. Do all animals have the same mode of nutrition? (a) villi, Question 1. ORS makes up the loss of water and salts in the body and sugar provides energy which helps in the recovery of disease. Following statements describe the five steps in animal nutrition. The three digestive glands are. Read the following statements with reference to the villi of small intestine. Answer: Solution B. Ruminant can digest cellulose (carbohydrate). Answer: More questions will be added as per requirement or need of the users. The swallowed food moves downwards in the alimentary canal. (c) tongue 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. Question 29. How can you prepare ORS at home? In order to prevent dehydration, the person or patient should be given ORS. (b) The organ where protein digestion starts. Which of the above will give blue-black colour when tested with iodine? False (d) Ingestion Children have 28 teeth in their mouth.There are only four molars in each jaw. 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. Cud chewing animals are called …….. (e) Does bile juice digest fat completely? Question 4. Chapter 3 Fibre to Fabric Class 7 Extra Questions. False, diarrhoea can be treated by giving a solution of sugar and salt in the clean water for several times in a day. Amoeba is a microscopic single celled organism, which is found in pond water. This is called dehydration which may be fatal if not cured at proper time. (b) carbon dioxide. Which solution will be basic in nature? Question 5. 2. (c) The grinding and chewing teeth as C Name the parts of the alimentary canal where After the surgery, she faced problems in digestion of certain food items when consumed in bulk. (d) The grinding teeth present only in adult as D List the preventive measures that one should adopt for avoiding tooth decay. Question 22. Question 1. Nutrition is not necessary for all organisms. If you have done the MCQ test once, you can see the answers and explanation of each answer. is the process of taking food inside the body. Check the below NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download. Question 1. The acids gradually damage the tooth. These bacteria breakdown the sugars present from the leftover food and release acids. Question 9. Answer: (d) Small intestine, because it carriers the process of digestion and rest are not involved in digestion. Answer: Mucus protects the inner lining of stomach form the action of hydrochloric acid and enzyme pepsin. True. The large surface area of small intestine helps in the rapid absorption of the digested food. Answer: NCERT Extra Questions for Class 7 Social Science Civics Chapter 2 Role of the Government in Health. Question 6. Open your mouth, look into a mirror and try to count the different types of teeth of teeth in your mouth. A butterfly uses its feeding tube to suck nector from flowers. Both of them poured 1-2 drops of iodine solution into the test tube and observed the colour change. Answer: (b) Pulp cavity, Question 16. (b) inner lining of stomach, Question 2. Glucose, Question 3. Answer: (b) Molars and premolars, Question 3. Comment. (c) The organ that releases digestive juice into the small intestine. We have already studied about the nutrition in plants. (d) complex sugars into simple sugars Question 1. Below is the list of all the chapters - Chapter 1: Nutrition in Plants. Class 6 Science Chapter 2 Extra Inside Questions and Answers – Components of Food. Answer: Salivary gland digestion of starch in mouth. These are then easily digested by the enzymes released from the pancreas (c) pancreas ……. Question 3. Question 23. This is called tooth decay. We should not eat hurriedly. (a) Diarrhoea. Bile juice breaks down big fat droplets into smaller droplets. (b) Stomach, because rest all are digestive glands and stomach is a digestive organ. 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. incisor, cannines, premolar, molar, Question 1. Question 1. Answer: Discuss the role of hydrochloric acid secreted by gastric glands. [HOTS] Boojho and Paheli were eating their food hurriedly so that they could go out and play during the recess. True (a) What is hiccup? (c) Egestion (b) swallowed and partially digested Quiz - MCQ Questions for Class 7 Science Chapter 6 with answers. Record your observations in the table below: [NCERT Exemplar]. (a) Name the term used to describe the condition in which a person passes out watery stools. The body of Amoeba has finger-like projections, called pseudopodia or false feet. Answer: Large intestine absorbs ….. and …… from undigested food. Question 15. Permanent, Question 6. Briefly explain, why animals like cow cannot chew their food properly at the time they take it in. Question 16. (a) Starch, because rest all are glands and starch is a type of carbohydrate. Choose the correct answer: Question 1. Class 7 Science Chapter 4 Important Questions and Keywords of Heat updated for new academic session 2020-21. (d) properly chewed and completely digested Stomach is the odd one. Answer: In a democracy people expect the government to work for their welfare. (b) Why do we get hiccup? Question 5. The process of breakdown of complex food material into …… is called ……. Salivary gland is present in the buccal cavity and it secretes saliva. Question 8. The enzymes present in the saliva convert [NCERT Exemplar] (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. At the time they take in food, the food is moistend and is sent for cellulose digestion and softening in rumen. (b) yawning Question 2. However, the finger-like outgrowths of human intestine helps to [NCERT Exemplar] (d) the contraction of muscles in the wall of foodpipe, Question 4. In an adult human, there are total 32 teeth. Chapter 3: Fibre and Fabric. The small intestine is about 7.5 metre long It is accommodated in a coiled form inside our body. Here in this Page Class VI Students can Learn Extra Questions & Answer 2nd Chapter Science fully Inside. These are incisors, canines, premolars and molars. Read each statement and give one word for each statement. Question 15. It could be. 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. The food components and their simple forms are carbohydrates (glucose), fatty (fats) acids and glycerol, proteins (amino acids). (d) oesophagus, small intestine, large intestine, rectum [NCERT Exemplar] Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. Label the given figure as directed below in A to D and give the name of each type of teeth. 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. (d) bile juice is produced [NCERT Exemplar] Motion and Time Class 7 MCQs Questions with Answers. (b) stomach 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. Discuss the position and number of molars in buccal cavity. Question 10. The basic process of digestion of food and release of energy is as similar to the other organisms. Science Class 7 Important Questions are very helpful to score high marks in board exams. Small intestine in herbivores is longer than in carnivores. Question 2. Different Ways of Taking Food. Define oral rehydration solution and when it is given to the patient? (b) Digestion The undigested faecal matter is removed through the anus by the process called egestion. Match the Column I with Column II. The undigested food residue is expelled outside by the vacuole. 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. Class 7 Science Chapter 2 MCQ for Exams. 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. 2 Extra inside Questions and their Solutions the use of cold drink should be. To ingest food ) Glucose solution ( ORS ) this process is called diarrhoea she rushed to mother... A slice of bread ( iv ) Dirty fingers or unwashed objects must be to! Of Heat updated for new academic session 2020-21 points to Remember ; here you can how! 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