(a) blood vessels of small intestine wall Question 6. 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. Draw a neat and clean diagram of Amoeba showing the correct location of the following components : nucleus, vacuole, pseudopodia. This returned content is expelled out from the mouth in the form of vomiting. These vacuoles are of two types, i.e. Role of the Government in Health Class 7 Extra Questions Social Science Civics Chapter 2. Question 15. Cud chewing animals are called …….. Check the below NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download. Where is the digested food absorbed in Human being? It is a very simple animal and cannot be seen by naked eyes. Class 7 Science Chapter 2 MCQ are given below with answers and explanation. Maharashtra Class 7 Science General Science (Solutions) Solutions are created by experts of the subject, hence, sure to prepare students to score well. Answer: If, by chance, food particles enter the windpipe, we feel choked, get hiccups or cough. (b) Oral Rehydration Solution (ORS). Question 29. Choose the odd one out from each group and give reasons. Given below from (i) to (iv) are some food items. (b) carbon dioxide. 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. Here we have covered Important Questions on all topics for Class 7 Science subject. Bacteria are Gum present in our mouth but they are not harmful to us. The difference between milk teeth and permanent teeth are, Question 9. Question 1. (b) starch into simple sugars Amoeba is a microscopic single celled organism, which is found in pond water. 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. Chapter 3 Fibre to Fabric Class 7 Extra Questions. Support your Answer: 2. Answer: Question 4. Answer: incisor, cannines, premolar, molar, Question 1. (b) The number and type of teeth varries in an adult as compared to the child. 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. (c) absorb the digested food [NCERT Exemplar; HOTS] (a) What is hiccup? In an adult human, there are total 32 teeth. (d) liver. The digested food is absorbed at illum of small intestine by finger like structures called villi. Discuss the position and number of molars in buccal cavity. (c) tongue, absorption, taste, swallow Download PDFs of the Question Papers ……. (c) the cellulose digesting bacteria convert cellulose into fibres 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. Chapter 7: Weather, Climate, and Adaptations of Animals to Climate Answer: Answer: Answer: In an adult human, there are total 32 teeth. Acids, Bases and Salts Class 7 MCQs Questions with Answers. True MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Do you agree? The food is not chewed completely. 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 Science Chapter 2 Nutrition in Animals Class 7 Science Extra Questions Very Short Answer Type. [HOTS] Answer: The finger-like outgrowth of “Amoeba” helps to ingest food. 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. Cellulose rich food substances are good source of roughage in human beings. Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. Can you tell which kind of food items would they be and why? The simplest form of protein is All the others are gland. (b) inner lining of stomach Class 7 Science Chapter 2 MCQ are given below with answers and explanation. This is called tooth decay. (c) She is sincere, curious and has interest in science. Villi are the finger-like outgrowths of inner surface of human intestine. Name the simple forms of carbohydrates, fats and proteins. If you have done the MCQ test once, you can see the answers and explanation of each answer. In herbivores, digestion of cellulose takes a longer time. What is the total number of teeth in an adult human? When Amoeba senses its food, it pushes out pseudopodia around the food particle and engulfs it. Answer: Chapter 10 – Life in the Deserts; Class 7 History – Our Pasts II. 8. We should not eat hurriedly. Answer: True, Question 7. Comment. (d) diarrhoea The large surface area of small intestine helps in the rapid absorption of the digested food. Answer: Explain the role of mucus secreted by stomach. Ruminants such as cows and buffaloes swallow their food hurriedly and then sit restfully and chew their food. There are 24 sets of MCQ tests for practice containing more than 120 questions. (a) villi, Question 1. 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. The alimentary canal with its associated glands constitute the digestive system. Question 25. Canines are used for grinding of food. Important Main Point in Class 7 Science Chapter 2 1. Question 2. This solution is called ORS. (a) Starch, because rest all are glands and starch is a type of carbohydrate. Points To Remember; (a) Enamel The fats cannot be digested easily because they are insoluble in water and are present as large globules. (a) large intestine (c) pancreas Discuss the various associated glands of digestive system and their role in digestion. (c) sodium oxide. After the surgery, she faced problems in digestion of certain food items when consumed in bulk. Date – January 12, 2021. Question 1. A butterfly uses its feeding tube to suck nector from flowers. Answer: (b) glucose Register online for Science tuition on Vedantu.com to score more marks in your examination. Label the given figure as directed below in A to D and give the name of each type of teeth. (a) (i), (ii) and (iv) Small intestine is the odd one. (b) digested food gets absorbed Mention the different steps of nutrition in animals. (iv) Dirty fingers or unwashed objects must be avoided to put in the mouth. Mark ‘T’ if the statement is true and ‘F’ if it is false: (a) Digestion of starch starts in the stomach. (c) Bile juice helps in digestion of fat by breaking down big fat droplets into smaller droplet. (ii) We should clean our teeth with the help of datun or brush Gradual decaying of human tooth and toothpaste, twice a day. Swallowing → partial digestion (cud) → cud brought back to mouth → chewing of cud → other compartments of stomach → small intestine → complete digestion. (e) Does bile juice digest fat completely? It is similar to bone which Pulp cavity (with nerves and blood vessels) protects the pulp cavity having nerves and blood vessels. The undigested food residue is expelled outside by the vacuole. When the holes or cavity reaches to the pulp cavity, it causes pain. Recall and name the main organs of the digestive system in our body. 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