Answer: Question 3. When the holes or cavity reaches to the pulp cavity, it causes pain. Class: VII . (a) Transportation of absorbed food to different parts of body and their utilisation. You were blindfolded and asked to identify the drinks provided in two different glasses. 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. It may result in a choking sensation called hiccups. Answer: (d) Taking food into the body. Chapter 2 Nutrition in Animals Class 7 Extra Questions. Register online for Science tuition on Vedantu.com to score more marks in your examination. Pancreas secretes pancreatic juices which act on carbohydrate, fats and proteins and change them into simpler compounds. Diarrhoea can be treated by only giving water to the patient. Give reason. Answer: (a) Assimilation Answer: Answer: A total of 18 chapters are taught in Class 7 Science. If yes, could you identify which type of teeth showed the difference? Identify the location of salivary gland. Question 2. Bile is produced in (a) Gall bladder (b) Blood (c) Liver True Draw the labelled diagram of tongue showing different region for taste buds. Answer: When a person passes out watery stools frequently, the disease is called diarrhoea. (d) liver. (c) Bile juice helps in digestion of fat by breaking down big fat droplets into smaller droplet. Permanent, Question 6. It is also known as digestive tract. Subjects: Science: Chapter 1: Nutrition in Plants. How many type of teeth are there in Human being? (d) properly chewed and completely digested ORS makes up the loss of water and salts in the body and sugar provides energy which helps in the recovery of disease. Hence, herbivores need a longer small intestine to allow complete digestion of cellulose. Answer: Feeding and Digestion in Amoeba. Suddenly, Boojho started coughing violently. Explain. Nutrition in Animals Class 7 Extra Questions Very Short Answer Type. However, if we do not clean our teeth and mouth after eating, many harmful bacteria also begin to live and grow in it. As … What will happen if food particles enter the windpipe? Answer: Ruminants have four chambers of stomach. 7. (b) swallowed and partially digested Answer: This solution is called ORS. Can you tell which kind of food items would they be and why? NCERT solutions for Class 7 Science have been provided below to aid the students with answering the questions correctly, using a logical approach and methodology. [NCERT Examplar; HOTS] Read the following sentences carefully and choose which of the statements is or are incorrect? (b) The organ where protein digestion starts. Maharashtra Class 7 Science General Science (Solutions) Solutions are created by experts of the subject, hence, sure to prepare students to score well. is the process of taking food inside the body. The chapter starts with the topic soil profile, which describes … If mucus is not released, it will lead to erosion of inner lining of stomach leading to acidity and ulcers. [NCERT Examplar], Answers: Question 4. ruminants, Question 10. 1. Give reason. Choose the correct answer: Question 1. Topic : Role of the Government in Health Extra Questions. (c) gall bladder (a) liver, salivary gland, starch, gall bladder (b) protects the stomach lining from harmful substances 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. (a) hiccups and cough (b) small intestine Question 8. (b) Pulp cavity (a) villi, Question 1. Which of the above will give blue-black colour when tested with iodine? Below is the list of all the chapters - Chapter 1: Nutrition in Plants. Little Rishi (student of class VI) was watching his favourite cartoon serial on television. 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. …… is the long tube-like structure which Answer: Answer: However, the finger-like outgrowths of human intestine helps to. Cellulose rich food substances are good source of roughage in human beings. Answer: The shape of stomach is like flattened U-shaped. 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 5. (c) Egestion (d) Where is the digestion of fat completed? Answer: Points To Remember; Very Short Q&A ; Short Q&A ; Long Q&A ; Chapter 2: Nutrition in Animals. [Value Based Question] Answer: Following statements describe the five steps in animal nutrition. The various associated glands of digestive system and their role in digestion are as follows. food vacuole, Question 5. What is the total number of teeth in an adult human? ……. (a) Diarrhoea. Cellulose rich food substances are good sources of roughage in human beings because [NCERT Exemplar] The finger-like outgrowths of Amoeba helps to ingest food. Attempt at least 5 tests to test your exam preparation based on Class 7 Science Chapter 2. Extra Questions Class 7 History: Here we have given History-Our Pasts II History Extra Questions and Answers for CBSE Class 7 Students. She also suggested her to give his son a solution of sugar and salt in clean water, many times a day for fast recovery. Complete the following table, from the options given below: Name the simple forms of carbohydrates, fats and proteins. All Chapters quizzes, Notes, and Question Papers. 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. Question 25. [NCERT Examplar] Answer: 3. We have already studied about the nutrition in plants. Question 8. Answer: Answers: Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘S’. (d) amino acids Class 7 Science Chapter 2 MCQ are given below with answers and explanation. Alimentary canal is different from digestive system. Question 6. Class 7 Science Chapter 2 MCQ for Exams. Answer: Question 14. (c) rumen When this cud is thoroughly chewed in the mouth of the cow, it is swallowed again. Read the statement and choose a word for it: “Organisms which take food hurriedly and store it, in a part of the stomach. Villi are the finger-like outgrowths of inner surface of human intestine. Bacteria are Gum present in our mouth but they are not harmful to us. Register online for Science tuition on Vedantu.com to score more marks in your examination. (e) Absorption. teeth replaces the milk teeth. Answer: From which organ of digestive system, the undigested faecal matter is removed? Choose the odd one out from each group and give reasons. Answer: Answer: While, adults have 32 teeth in their mouth which means six molars in each jaw. Answer: Inspite of being blindfolded, one could identify two different drinks with the help of taste buds present in the tongue. Egestion is the process of removing waste food or undigested food through anus. (ii) They have a network of thin and small blood vessels close to the surface. Answer: The gall bladder releases the bile juice into the small intestine whenever food reaches there. Here, all the statements are correct. This is called tooth decay. (b) Pulp cavity, Question 16. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. (a) (i), (ii) and (iv) It should be given to a patient suffering from diarrhoea at a regular interval. (a) fats into fatty acids and glycerol Nutrition in Animals Class 7 MCQs Questions with Answers. All the others are gland. Question 2. (a) human beings do not have cellulose: digesting enzymes, Question 13. Question 5. (a) What is hiccup? Question 13. (c) He is sincere and curious to know about the things at an early age. Which of the following pair of teeth differ in structure but are similar in function? Subject : Social Science Civics. Answer: This digested food is then absorbed and is used for growth, maintenance and multiplication of Amoeba. (a) blood vessels of small intestine wall, Question 10. Question 6. Question 7. Answer: Question 17. Soil. Answer: Yes, carnivores animals cannot digest cellulose, hence they have a shorter small intestine. Science Class 7 Important Questions are very helpful to score high marks in board exams. [Value Based Question] The complete process of nutrition in ruminants occurs as: Answer: Little Rishi got confused as he had heard that ‘hicki’ comes when someone remembers. Question 26. (a) The cutting and biting teeth as A Question 8. Actually, they quickly swallow the grass and store it, in a part of the stomach, called “rumen”. Question 1. Human digestive system consists of mouth, oesophagus, stomach, small intestine, large intestine, rectum and anus. (a) Which organ secretes the bile juice? (b) The piercing and tearing teeth as B How could you do it inspite of being blindfolded? Oral rehydration solution is the solution of sugar and salt in a particular ratio in the clean water. [NCERT Exemplar] (a) kills the harmful bacteria that may enter along with the food, Question 5. Answer: Digestion of food starts from mouth. (a) fatty acids (a) kills the harmful bacteria that may enter along with the food Download PDFs of the Question Papers The Villi are connected to the blood vessels, so the circulating blood can carry these nutrients away. He also explained him the proper scientific reason behind it. Name the various components of food and their simpler forms. 2. (b) inner lining of stomach, Question 2. This returned content is expelled out from the mouth in the form of vomiting. Open your mouth, look into a mirror and try to count the different types of teeth of teeth in your mouth. They are given some parts of the digestive system, choose the odd one. In test tube A, blue black colour appeared because of presence of starch. Question 5. Identify those statements which enable the villi to absorb digested food. Briefly explain, why animals like cow cannot chew their food properly at the time they take it in. (d) bile juice is produced [NCERT Exemplar] (b) Why is digestion of fats difficult as compared to that of other nutrients? The intense pressure is formed in the stomach when the food is not accepted by the stomach. (b) yawning False, diarrhoea can be treated by giving a solution of sugar and salt in the clean water for several times in a day. A. Glucose, Question 3. 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. Chapter 1 Nutrition in Plants Class 7 Extra Questions. Swallowing → partial digestion (cud) → cud brought back to mouth → chewing of cud → other compartments of stomach → small intestine → complete digestion. 1 Class 7 Social Science- Chapter wise Important Questions. The finger-like projections called villi are present in the inner walls of the small intestine. Class 7 Science Chapter 2 MCQ are given below with answers and explanation. At home the ORS can be prepared by dissolving a teaspoonful of sugar and pinch of salt in a glass of clean water. If Yes, then you are the right page. What will happen if mucus is not secreted by the gastric glands? (d) Digestion of fat is completed in small intestine. (d) The organ where bile juice gets stored. Ruminants such as cows and buffaloes swallow their food hurriedly and then sit restfully and chew their food. (a) The largest gland in our body. Question 11. What Policies Can Help Students Affected by COVID-19? In which of the statements is or are incorrect, about eating habits of animals? The body of Amoeba has finger-like projections, called pseudopodia or false feet. False, digestion of starch normally begins in the mouth where it is broken down into smaller sugar molecules, glucose. Match the Column I with Column II. Question 10. These bacteria breakdown the sugars present from the leftover food and release acids. 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. Question 6. Explain how assimilation is different from absorption. There are 24 sets of MCQ tests for practice containing more than 120 questions. There are four types of teeth found in human being. (adsbygoogle = window.adsbygoogle || []).push({}); The inner surface of small intestine has many finger-like outgrowth called “Villi” to help in absorption of food. (d) diarrhoea The inner lining of stomach secretes mucous hydrochloric acid and digestive juices. He asked his father. The various components of food and their simpler forms are. The finger-like outgrowth of “Amoeba” helps to ingest food. The digestion of food starts in mouth and the digestion is completed in small intestine and the rest options are correct. The digestive juices from liver and pancreas is poured into small intestine which helps in complete digestion and absorption of food. This is called dehydration which may be fatal if not cured at proper time. The digestion of starch only takes place in the stomach True. simpler form, digestion, Question 4. This process is called rumination. Extra Questions for Class 7 Science Chapter 2 Nutrition in Animals with Answers Solutions. Answer: Digestion in Grass-Eating Animals. The herbivorous animals such as cow, buffaloes, etc eat grass. All statements are correct. Time – 05 Minutes. Class 6 Science Chapter 2 Extra Inside Questions and Answers – Components of Food. These glands are salivary glands, liver and pancreas. Discuss the position and number of molars in buccal cavity. Amoeba has a cell membrane, a rounded dense nucleus and many small bubble-like vacuoles in its cytoplasm. Match the Column I with Column II. Chapter 4: Heat. Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. Question 2. Answer: Question 1. If, by chance, food particles enter the windpipe, we feel Digestive juices present inside the vacuole, acts on the food and break it into simpler substances. Points To Remember; (b) Molars and premolars The three digestive glands are. (b) Molars and premolars, Question 3. This digested food is returned to the buccal cavity for the complete process of digestion”. This is because the bile juice stored in the gall bladder helps in digestion of fats. Answer: (d) the contraction of muscles in the wall of foodpipe Chapter Wise CBSE Science Class 7 Solved Question and Answer Based On NCERT. Answer: An oxide is acidic and has a pungent odour. These test will provide a complete revision for second chapter of grade 7 science. (a) swallowed and undigested In large intestine, most of the water is reabsorbed. (d) absorb the undigested food (d) nitrogen dioxide. There are 24 sets of MCQ tests for practice containing more than 120 questions. Question 27. Suggest the organ of digestive system where the digestive juices from liver and pancreas is poured. Question 20. Briefly describe the process of digestion in Amoeba with the help of labelled diagram. Chapter 3 Fibre to Fabric Class 7 Extra Questions. Role of the Government in Health Class 7 Extra Questions Social Science Civics Chapter 2. 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(c) digests starch into simpler sugars Compare them with figure 2.3 on page 13 of your NCERT textbook. Salivary gland is present in the buccal cavity and it secretes saliva. Question 29. Answer: The food of Amoeba are microscopic organisms like tiny plants and animals present in pond water. Do you agree? Question 1. Motion and Time Class 7 MCQs Questions with Answers. 5. Stomach is the odd one. Answer: Chapter 5: Acids, Bases and Salts. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. (iii) They have small pores through which food can easily pass. Form the action of hydrochloric acid and enzyme pepsin and mucus of General Science ( www.olympiadsuccess.com ) Chapter Nutrition... Blue-Black colour when tested with iodine animals here digestion and rest are not present in the of... Energy is as similar to the villi of small intestine to blood vessels close the. Of Amoeba between milk teeth and permanent teeth in human being the cow from rumen... 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