nutrition in animals class 7 extra questions and answers

Answer: The gall bladder releases the bile juice into the small intestine whenever food reaches there. Name the parts of the alimentary canal where Canines are used for grinding of food. Mention the position of the rumen in ruminants. Complete the following table, from the options given below: For Study plan details. Write the shape of stomach. Question 13. Contact. (c) The organ that releases digestive juice into the small intestine. Nutrition in animals includes the requirement of nutrients, how the food is consumed and how the food is utilized by the body. Question 10. Answer: Small intestine in herbivores is longer than in carnivores. The prime aim of these NCERT Science Class 7 Chapter 10 Important Questions is to let the students know different types of formats to follow. Explain how assimilation is different from absorption. However, if we do not clean our teeth and mouth after eating, many harmful bacteria also begin to live and grow in it. (a) villi, Question 1. (c) absorb the digested food Become our . (c) capture of food and movement Answer: Answer: Answer: Answer: (d) All of these (b) stomach Molars are very large teeth which are present behind the premolar, towards the back of our mouth. Question 2. [NCERT Exemplar] These animals quickly swallow the grass and store it in a part of stomach called rumen. (a) swallowed and undigested (b) The organ where protein digestion starts. Answer: Liver secretes bile juices which help in the digestion of fats. Animals like cow cannot chew their food properly due to the presence of cellulose in their diet. The herbivorous animals such as cow, buffaloes, etc eat grass. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Answer: In stomach food get converted into a semi-fluid, chyme. (b) Stomach, because rest all are digestive glands and stomach is a digestive organ. Here we have furnished Class 7 Important questions for science. Mucus protects the inner lining of stomach form the action of hydrochloric acid and enzyme pepsin. CBSE class 7 worksheets as PDF for free download Nutrition in Animals worksheets. Contact. Answer: (a) Yes, the difference has been observed in the number of molars. (a) Canines and incisors Question 10. Question 19. Free Question Bank for 7th Class Science Nutrition in Animals Nutrition in Animals ……. The small intestine is about 7.5 metre long It is accommodated in a coiled form inside our body. (d) Small intestine, because it carriers the process of digestion and rest are not involved in digestion. (e) No, fat is not completely digested by bile juice. I think I could turn and live with animals, they are so placid and self-containd, I … Question 6. 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. Answer: Answer: Check the below NCERT MCQ Questions for Class 7 Science Chapter 11 Transportation in Animals and Plants with Answers Pdf free download. 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). (b) The largest gland in the human body is liver. Feeding and Digestion in Amoeba. She rushed to her mother and asked the scientific reason for it. (a) villi (c) the cellulose digesting bacteria convert cellulose into fibres Answer: This partially digested food or grass present in the rumen of cow is called cud. The swallowed food moves downwards in the alimentary canal because of [NCERT Exemplar] How could you do it inspite of being blindfolded? (a) The largest gland in our body. Where is the food prepared in these plants? Digestion of food is completed in the small intestine. [NCERT Exemplar] 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. It helps in identifying the various tastes of different food materials, as it has various taste buds which help in detecting them. Bile helps in breaking large fat molecules into tiny droplets. It runs adjacent to the foodpipe. Answer: (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. Question 26. Extract Based Questions [3 Marks each] Read the following extracts carefully and answers the questions that follow. Jun 4, 2019 - Nutrition in Animals Class 7 Extra Questions Science Chapter 2 Nutrition in Animals Class 7 Science Extra Questions Very Short Answer Type Question 1. Amoeba digests its food inside ……… Premolars: They help in chewing and grinding food. food vacuole and contractile vacuole. Question 8. If mucus is not released, it will lead to erosion of inner lining of stomach leading to acidity and ulcers. Passage - 2 We can easily see cows, buffaloes and other grass- eating animals chewing continuously even when they are not eating. If these teeth fall down no new teeth arises on its place. (a) What is hiccup? Which of the following pair of teeth differ in structure but are similar in function? Jaya’s mother who was listening the discussion came to them and told Rani not to come for coming 3-4 days. Question 2. Where is the food prepared in these plants? In this chapter, students will learn about nutrients, mode of nutrition in plants, photosynthesis process, other modes of nutrition in plants, how nutrients are replenished in the soil. This digested food is then absorbed and is used for growth, maintenance and multiplication of Amoeba. These bacteria breakdown the sugars present from the leftover food and release acids. Digestion in Grass-Eating Animals. (d) amino acids Answer: Transportation in Animals and Plants Class 7 Extra Questions Short Answer Type 2. (b) Digestion Briefly describe the mechanism of producing hiccups while we take food in hurry. Question 11. Give reasons for your Answer: [NCERT Exemplar; HOTS] We have Provided Transportation in Animals and Plants Class 7 Science MCQs Questions with Answers to help students understand the concept very well. Question from very important topics are covered by NCERT Exemplar Class 7.You also get idea about the type of questions and method to answer in your Class 7th examination. Briefly explain, why animals like cow cannot chew their food properly at the time they take it in. (i) Boiled and mashed potato (ii) Glucose solution (iii) A slice of bread (iv) Mustard oil Which of the above will give blue-black colour when tested with iodine? Discuss the position and number of molars in buccal cavity. Label the following parts of above figure and name them. Answer: Answer: 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. Need assistance? False, digestion of starch normally begins in the mouth where it is broken down into smaller sugar molecules, glucose. Explain. Sometimes when we eat hurriedly, talks or laughs while eating, the flap-like valve (called epiglottis) which closes the passage of windpipe remains open. This process is called rumination and animals are called ruminants. When this cud is thoroughly chewed in the mouth of the cow, it is swallowed again. Contact us on below numbers. This is because the bile juice stored in the gall bladder helps in digestion of fats. Nutrition in Animals CBSE Class 7 Important Question and Answers ... digestion is intra-cellular but in human beings digestion is extra-cellular. Cud chewing animals are called …….. CBSE class 7 worksheets as PDF for free download Nutrition in Animals worksheets. Answer: Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. Oesophagus: Wall of oesophagus contracts and transports food from mouth to stomach. CBSE Class 7 Science - CH1 Nutrition In Plants - Questions and Answers (#cbsenotes) Nutrition In Plants . (b) (ii), (iii) and (iv) (iii) They have small pores through which food can easily pass. The three digestive glands are. Food is chewed completely and swallowed into omasum for further digestion. Answer: (b) Digestion of fats is difficult as compared to that of other nutrients because of insolubility of fat in water. Open your mouth, look into a mirror and try to count the different types of teeth of teeth in your mouth. Check the below NCERT MCQ Questions for Class 7 Science Chapter 1 Nutrition in Plants with Answers Pdf free download. Mouth: Digestion begins in mouth. All the solutions of Nutrition in Animals - Science explained in detail by experts to help students prepare for their CBSE exams. Different organisms have specific ways of consuming food. Answer: Amoeba is a microscopic, single celled animal. (c) Gums Question 20. Question 8. Write the difference between milk teeth and permanent teeth. Answer: Answer: Answer: The content in the stomach is then pushed back. After surgical removal of gall bladder, ‘A’ would face problems in digestion of fat and fatty substances when consumed in bulk. If these cavities are not treated on time it causes severe toothache and may result in tooth loss. Get to the point NSO Level 1- Science Olympiad (SOF) Class 7 questions for your exams. Education Franchise × Contact Us. Answer: Sweets and Tooth Decay The tooth is covered by white, hard outer covering of tooth called Enamel enamel below which dentine is present. Answer: In an adult human, there are total 32 teeth. Question 2. About the Author- Walt Whitman . Alimentary canal is different from digestive system. The digestion of starch only takes place in the stomach (a) human beings do not have cellulose: digesting enzymes, Question 13. Q1: Define Nutrition. Name the secretions of stomach which digest food. (b) Molars and premolars Question 11. Students can solve these Transportation in Animals and Plants Class 7 MCQs Questions with Answers and assess their preparation level. (b) large intestine wall The inner lining of stomach secretes mucous hydrochloric acid and digestive juices.

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