MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Vedantu is a platform that provides free CBSE Solutions (NCERT) … Answer: Discuss the life stages of silkworms from “Pupa to Cocoon”. Answer: Wool yielding animals are sheep, yak, llama, […] “Sheep has two types of fibres that form its fleece” – Name them. Electric Current and Its Effects Class 7 Extra Questions and Answers Science Chapter 14 PDF are solved by experts and will guide students in the right direction. Fibres and fabric play a large role in everyday applications. Solving the Fibre to Fabric Multiple Choice Questions of Class 7 Science Chapter 3 MCQ can be of extreme help as you will be aware of all the concepts. In winter, sheep are kept indoors and fed on leaves, grain and dry fodder. In Class 7 Science Chapter 3 Extra Questions, all the keywords are covered in the form of questions and explanation of 7th standard science. October 14, 2020. Question 6. The exact time of discovery of silk is perhaps unknown. All the solutions are update for new academic session 2020-21. Students can solve these Fibre to Fabric Class 7 MCQs Questions with Answers and assess their preparation level. Question 1. Free Chapter wise NCERT Solutions for Class 7 by Extramarks allow students to understand a tough topic with an easier explanation. This process is called shearing. The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms. NCERT Exemplar Class 7 Science is very important resource for students preparing for VII Board Examination.Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7. Tutorial for Learning C Programming: Is It Possible to Learn the Programming Language Online. Fibre to Fabric Class 7 Extra Questions and Answers Science Chapter 3 PDF are solved by experts and will guide students in the right direction. Apart from grazing sheep, rearers also feed them on a mixture of pulses, corn, jowar, oil cakes (material left after taking out oil from seeds) and minerals. Doing these questions along with NCERT Solutions of Chapter 3 of Class 7 Science, is provides an ample practice for the preparation of exams and school tests. Usually, hairs are removed during the hot weather. But sorter’s job is risky as sometimes they get infected by a bacterium, anthrax, which causes a fatal blood disease called sorter’s disease. Sheep are reared mainly for the wool. Wool. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a … This process is called shearing. Such risks faced by workers in any industry are called occupational hazards. Do you know where do we get wool? Small fluffy fibres found in hair of sheep are called burrs. NCERT Solutions for Class 7 Science in PDF file format free to download. Answer: The fibres can be dyed in various colours, as the natural fleece of sheep and goats is black, brown or white. In Class 7 Science Chapter 3 Extra Questions, all the keywords are covered in the form of questions and explanation of 7th standard science. Usually, hair are removed during the hot weather. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. She also noticed that they were spinning shiny cocoons around them. Wool industry is an important means of livelihood for many people in our country. What do you mean by SERICULTURE and SILKWORMS? NCERT Solutions for Class 7 Science Chapter 4 - Heat. Question 9. NCERT Solutions for Science Class 7 have been created and compiled by some of the experts and professional teachers in the field making them a highly credible source for Class 7 Science. Differentiate between Artificial silk and Pure silk. Answer: A female silk moth lays hundreds of eggs at a time. Silkworms spin the silk fibres. What is cocoon? Sheep are herbivores and prefer grass and leaves. 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. Mulberry silk moth. For example, sheep are reared mainly for the wool. According to an old Chinese legend, the empress Si-lung-Chi was asked by the emperor Huang-ti to find the cause of the damaged leaves of mulberry trees growing in their garden. Students can utilize these solutions for adapting to and solving complex problems and completely understand the concepts explained by different topics. In winter they are kept in indoors and fed on dry fodder, leaves and grains. Solutions are based on latest CBSE Text Books for the academic session 2020-2021. Answer: Write down the occupational hazard which is related to the wool industry. NCERT Solutions for Class 8 History Chapter 7 Extra Questions Weavers, Iron Smelters and Factory Owners In the rearing of silkworms, after how many days the caterpillar stop to eating the leaves of mulberry tree? Students can either practice these questions online or can also download these pdf files and use it for their fiber to fabric class 7 worksheets. with different textures are obtained from different varieties of silk moths. Answer: The sources of obtaining fibres are plants and animals. In the rearing of silkworms, after 25 to 30 days the caterpillar stops to eating the fresh leaves of mulberry tree and move to a tiny chamber of bamboo in the tray to spin cocoons. We have included these questions for extra pracitce and help with the concepts. Questions from all the topics are covered in the solutions. All our solutions for CBSE Class 7 are prepared in accordance with the latest CBSE syllabus, and they are amended from time to time. The cocoons are kept under the sun or boiled or exposed to steam. The hairy skin is sent to a factory where hair of different textures are separated or sorted. Fibre to Fabric Class 7 MCQs Questions with Answers. In winter, sheep are kept indoors and fed on leaves, grain and dry fodder. And the fibres now as wool are ready to be oven. You can also download NCERT Solutions for Class 7 Maths to … During past few years, a number of surveys on students were made to better understand their problems regarding their studies and their basic requirement. Class 7 Science Chapter 3 Important Questions and Keywords of Fibre to Fabric updated for new academic session 2020-21. Rolling: In this process, the fibres are straightened, combed and rolled into yarn. For pupa stage, the caterpillar completely covers itself by silk fibres. Answer: 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. Later on, traders and travellers introduced silk to other countries. They are the smallest visible unit of a fabric and denoted by being extremely long in relation to their width. 1800-102-5301 Login Or … The farmers keep eggs under hygienic conditions and under suitable conditions of temperature and humidity. Answer: Question 4. Name some wool yielding animals. Question 2. The small fluffy fibres, called burrs, are picked out from the hair. Small racks or twigs may be provided in the trays to which cocoons get attached. The caterpillar or silk worm spins the cocoon inside which develops the silk moth. Thus, tassar silk, mooga silk, kosa silk, etc., are obtained from cocoons spun by different types of moths. Check the below NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. Question 8. The breeding and management of silk worms for the production of silk is known as sericulture. Classification of objects into hot and cold objects using activity is presented in tabular form. Rearing silkworms: For obtaining silk, moths are reared and their cocoons are collected to get silk threads. The caterpillar or silkworm spins the cocoon inside which develops the silk moth. What is the diet of sheep? Their parents are specially chosen to give birth to sheep which have only soft under- hair. Answer: Our free NCERT textbook solutions for CBSE Class 7 Science will strengthen your fundamentals and can help you to score more marks in the examinations. What Policies Can Help Students Affected by COVID-19? Air is a poor conductor of heat. Register Online for NCERT Solutions Class 7 Science tuition on Vedantu.com to score more marks in CBSE board examination. Hair (or wool) of these animals trap a lot of air. Nowadays scouring is done by machines. The larvae, called caterpillars or silkworms, eat a fresh leaves of mulberry trees day and night for growth. NCERT Solutions for Class 7 Science Chapter 4 - Heat. What are burrs? The process of selecting parents for obtaining special characters in their offspring, is termed ‘selective breeding’. Fibre to Fabric Class 7 Extra Questions and Answers Science Chapter 3 PDF are solved by experts and will guide students in the right direction. Toll Free No. The farmers keep eggs under hygienic conditions and under suitable conditions of temperature and humidity. There are in all 18 chapters in class 7 science NCERT text book. The solutions are written in a student-friendly format so that it becomes easier for Class 7 students to browse through topics and practice. This is just a collection of frequently asked questions in school exams and all important extra questions from NCERT Books of Class 7 Science Chapter 3 Fibre to Fabric. Question 1. Once the sheep have developed a thick growth of hair, hair is shaved off for getting wool. They are mainly reared in areas with low rainfall. Ans. Answer: For more info feel free to reach us and we will guide you at the earliest possibility. From which substance natural silk is made? Silk industry began in China and was kept a closely guarded secret for hundreds of years. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. The eggs are stored on strips of cloth or paper and sold to silkworm farmers. It is a fatal blood disease. 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. Machines similar to those used by barbers are used to shave off hair. The eggs are warmed to a suitable temperature for the larvae to hatch from eggs. After scouring, sorting is done. Grass, leaves, mixture of pulses, corn, jowar, oil cakes and minerals. Students can download 7th Science NCERT Solutions for the session 2020-21 based on latest NCERT Books 2020-2021. Shearing: Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. When the caterpillar is ready to enter the next stage of its life history called pupa, it first weaves a net to hold itself. Discuss the process of “rearing of silkworms” which is done by the farmers. Accidentally a cocoon dropped into her cup of tea and a tangle of delicate threads separated from the cocoon. Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. ... NCERT Solutions for Class 12 Sociology Chapter 3 (Hindi Medium) NCERT Solutions for Class 12 Sociology Chapter 6 (Hindi Medium) Footer. Free PDF download of Important Questions for CBSE Class 7 Science prepared by expert teachers from the latest edition of CBSE (NCERT) books. The cocoons are kept under the sun or boiled or exposed to steam. Soil is important for life on earth. Answer: Ask your doubts related to NIOS or CBSE Board and share your knowledge with your friends and other users through Discussion Forum. Register online for Science tuition on Vedantu.com to score more marks in your examination. About STUDYGUIDE360 STUDYGUIDE360 is a student centric educational web portal which provides quality test papers and study materials for the students preparing for CBSE or targeting various entrance exams. You have learnt about some fibres obtained from animals. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.. For a better understanding of this chapter, you should … How can we differentiate variety of silk? The rearing of silkworms for obtaining silk is called sericulture. If cocoon is not boiled then the silkworm will come out the fibres would not get enough long fibres to make the silk. The eggs are stored carefully on strips of cloth or paper and sold to silkworm farmers. The hairy skin is sent to a factory where hair of different textures are separated or sorted. They are also fed on a mixture of pulses, corn, jowar, oil cakes and minerals. Important Terms for Class 7 Science Chapter 3 1. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. Anthrax. The silk yarn (thread) is obtained from the cocoon of the silk moth. You also learnt that wool and silk fibres are obtained from animals. Woollen fibres are then processed to obtain woollen yarn. It contains solved questions of all the topics from the NCERT Class 7 textbook. Extra Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers. For getting pure silk, it can be rear in any sort of climate while artificial silk created in definite chemical and temperature. Dyeing: The fibres are dyed in various colours, as the original colour of fleece are usually black white or brown. How is rearing of silkworm done? Question 2. Classification of objects into hot and cold objects using activity is presented in tabular form. Separating burrs: Burrs are small fluffy fibres which are picked out from the hair. Name some types of silk. Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers. October 14, 2020. How is reeling of silk done? 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. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question … 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, Class 7 Science Chapter 4 Important Questions, Useful Tips To Score Good Marks On Programming Assignments, Top Essay Writing Service with Tons of Pros. Important NCERT Questions Class 7 Science Chapter 2. The whole method from collecting cocoons to obtaining thread through reeling process, called processing of silk. By practising given Class 7 Chapterwise Important Questions with solutions will help in scoring more marks in your Examinations. 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. What is the most common silk moth? So, the air trapped in hair (or wool) of these animals prevents their body heat from being lost to cold surroundings and keeps them warm. Soon the caterpillar completely covers itself by silk fibres. mulberry silk, tassar silk etc.) Apart from grazing sheep, rearers also feed them on a mixture of pulses, corn, jowar, oil cakes (material left after taking out oil from seeds) and minerals. After scouring, sorting is done. The fur (hair) on the body of camels is also used as wool. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions. NCERT Solutions for Class 9 Science Chapter 3- Atoms and Molecules is a detailed study material prepared by experts. Class 7 Social Science MCQs Questions with Answers Chapter Wise PDF Download. Wool is also obtained from goat hair. Pure silk has high absorbing capacity whereas artificial does not hold this type of features. Answer: Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question … Weight (in kg) at […] Processing silk: A pile of cocoons is used for obtaining silk fibres. It contains chapter-wise answers to all the questions so that students of Class 7 can prepare well for exams. The sheared skin of sheep with a thin layer of skin is called reeling the silk a natural while. 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