The hair provide woollen fibres. Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers. The further development of the pupa into moth continues inside the cocoon. The eggs are warmed to a suitable temperature for the larvae to hatch from eggs. Question 3. What is cocoon? The hairy skin is sent to a factory where hair of different textures are separated or sorted. Answer: During these movements of the head, the caterpillar secretes fibre made of a protein which hardens on exposure to air and becomes silk fibre. Explain the life-history of silk moth. Question 6. The fibres are straightened, combed and rolled into yarn. Use hints to fill in the blank spaces with letters that complete the words. the fine soft under-hair close to the skin. (iii) Goat Woollen fibres are then processed to obtain woollen yarn. Figure 1: Animals that yield wool The further development of the moth continues inside the cocoon. Silkworm ➝ Cocoon with pupa. In Jammu and Kashmir, Himachal Pradesh, Uttaranchal, Arunachal Pradesh, Sikkim, the plains of Haryana, Punjab, Rajasthan, Gujarat etc., the shepherds taking their herds of sheep for grazing. Such a solution-based approach will help the students to build a … Answer: The fur on the body of camels is also used as wool. The larvae, called caterpillars or silkworms, eat day and night and increase enormously in size. Apart from grazing, reares also feed them on a mixture of pulses, com, Jowar, oil cakes, etc., In winter Sheep are kept indoors and fed on leaves grain and dry footder. It begins with few sources of wool and the concept of selective breeding. Scroll down for Fibre to Fabrics from NCERT Book Class 7 Science Book & important study material. Add them. Answer: This covering is known as cocoon. (iii) both a and b, Question 3. Question 7. After scouring, sorting is done. Answer: (b) a larva. The eggs are stored carefully on strips of cloth or paper and sold to silkworm farmers. Chapter 3 Fibre To Fabric. 3 : Long thread like structure, Across Answer: Download NCERT Solutions Class 7 Science Fibre to Fabric free pdf, NCERT Solutions updated as per latest NCERT book, NCERT Solutions for Class 7 Science for chapter 3 Fibre to FabricQuestion.1You must be familiar with the following nursery rhymes:(i) ‘Baa baa black sheep, have you any wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Ans:- Yak wool is common in the hilly regions of Tibet and Ladakh. Here you can read Chapter 3 of Class 7 Science NCERT Book. Find detailed video answer solutions to NCERT Solutions Science , Class 7 Fibre to Fabric questions taught by expert teachers. Question 7. You must be familiar with the following nursery rhymes: ‘Baa baa black sheep, have you any wool.’ ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: (a) Which parts of the black sheep have wool? Question 1. Yak wool from Tibet and Ladakh Mohair is obtained from angora goats, wool from goat hair, The underfur of Kashmiri goats are soft and it is woven into fine shawls called Pashmina shawls. Wool is acquired from the fleece or hair of these animals. How is rearing of silkworm done? Question 3. Question 2. This enables sheep to survive without their protective coat of hair. Question 1. What are the various types of silk? What is meant by selective breeding? NCERT Science Class 7 Chapter 3 Class 7 Fibre to Fabric Activity Answers. At the end of the Solutions, all the keywords and Notes which are important to understand NCERT Solutions for Class 7 Science Chapter 3- Fibre to Fabric, have been explained in a simple and easy to understand manner. (i) a The fine and soft under-hair that grows close to the skin of the sheep have wool. Define Shearing. We hope the NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric help you. Question 3. Which animal provides Pashmina shawls? These animals are fed, provided shelters, and are bred for better yield like milk, meat, wool etc. Given below is a sequence of steps in the processing of wool. Question 4. For easy access, we at BYJU’S provide free Class 7 Science NCERT Solutions for all chapters in PDF format. Question 1. Describe the life history of silk moth. mulberry silk, Tassar silk, etc.) Finally, it comes out of the cocoon as silk- moth. Answer: What is the most common silk moth? Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. selective breeding. It is done by the machines which remove the hair. (a) a caterpillar, Answer: (b) a larva. How is shearing of wool done? It is a fatal blood disease. Answer: Question 8. The process of selecting parents for obtaining special characters in their offspring such as soft under hair in sheep is termed as KSEEB Solutions for Class 7 Science Chapter 3 Fibre to Fabric October 16, 2020 September 1, 2020 by Prasanna Students can Download Chapter 3 Fibre to Fabric Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Science , Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. A female silk moth lays hundreds of eggs at a time. Multiple Choice Questions. NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Students of Class 7 can download these solutions at any time as per their convenience for self-study purpose. They are. Activity 3.1 asks us to feel and compare the hairs present on our head and skin. The cocoons are kept under the sun or boiled or exposed to steam. Answer: Question 4. If you have any query regarding NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric, drop a comment below and we will get back to you at the earliest. Choose the correct option. The silkworm is (a) a caterpillar, (b) a larva. NCERT Solutions for Class 7 Science chapter 3 Fiber to Fabric are prepared by the subject professionals to help students in their studies. Question 5. Answer: Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. Answer: How is silk processed? Choose the correct option : a b both a and b. neither a … The silkworm is. Summer. 2 : Its leaves are eaten by silkworms Larvae of silk moth are called silkworms. ii) Shearing: Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. Answer: Grass, leaves, mixture of pulses, corn, jowar, oil cakes and minerals. What are the sources of wool? Answer: Question 2. The best feature of these solutions is a free download option. Question 1. The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woollen cloth. Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. For pupa stage, the caterpillar completely covers itself by silk fibres. Question 3. Where and how the sheep are reasred in India? Answer: Question 10. They grow in size and when the caterpillar is ready to enter the next stage of its life history called pupa, it first weaves a net to hold itself. These NCERT Solutions for Class 7 Science Fibre to Fabric in Hindi medium pdf download have innumerable benefits as these are created in simple and easy-to-understand language. Small racks or twigs may be provided in the trays to which cocoons get attached. 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The female silk moth lays eggs from which hatch larvae which are called Caterpillars or silkworms. Small fluffy fibres found in hair of sheep are called burrs. This is done when mulberry trees bear a fresh crop of leaves. (iv) neither a nor b. (iii) Both a and b. Question3. (iv) Woolly dog. The fleece of the sheep along with a thin layer of skin is removed from its body is known as shearing. iii) Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. Question 2. NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric in Hindi Medium and English Medium free to download PDF 2020-2021. Then it swings its head from side to side in the form of the figure of eight (8). Shearing, scouring, sorting, picking of burrs, dying of fibres, making of yarn. 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(i) Yak Answer: Answer: Here we have given NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Activity 3.1. One thread burnt with a smell of burning hair and the other burnt with the smell of burning paper. Match the words of Column I with those given in Column II: Question 9. Question 5. Answer: Draw figures to describe life history of silk moth. NCERT Solutions For Class 7 Science Chapter 1: This chapter, Nutrition in Plants, … White fleece refers to the white hair of lamb that is used to make wool. This covering is known as Cocoon. 3 : Hatches from egg of moth, Question 1. There are about 20 sets of MCQ tests, each test containing 5 questions with answers and explanation of answers updated for new academy session 2020-21. (a) a caterpillar. Write about the food of sheep. These Class 7 NCERT Solution Science Chapter 3 PDF are made as per the latest Class 7 Syllabus of NCERT / CBSE. Question 2. Llama and Alpaca found in South America also yield wool. Name one disease that occurs in sheep. Answer: Down What is the diet of sheep? Answer: Answer: The farmers keep eggs under hygienic conditions and under suitable conditions of temperature and humidity. In winter, sheep are kept indoors and fed on leaves, grain and dry fodder. The small fluffy fibres, called burrs, are picked out from the hair. Question 10. Question 1. The rearing of silkworms for obtaining silk is called Class 7 Chapter 3 Activity. What is sorting? Answer the following: Q2: State whether true (T) or false (F): Wool and silk are the animal fibers. What are silkworms? NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric – Here are all the NCERT solutions for Class 7 Science Chapter 3. NCERT Exemplar Class 7 Science Chapter 3 Fibre to Fabric are part of NCERT Exemplar Class 7 Science. Which of the following does not yield wool? Answer: Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers. Usually, hair are removed during the hot weather. Kashmiri goat. Question 6. The process of selecting parents for obtaining special characters in their offspring, is termed ‘selective breeding’. Solutions of every question of Class 7 Science topic – Fibre to Fabric is available in a very detailed manner. Answer: Name some Indian breeds of sheep. Choose the correct option. Science - Class 7 / Grade 7 (Chapter 01-10) Chapter 3 - Fibre to Fabric - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric, to Study online or download free in PDF form. The fibres are scoured again and dried. Sources of Wool ... Shearing, scouring, Sorting, fiber spinning, fiber dying, rolling into Silk yarn Q6: Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. Different types of silk (eg. Mulberry silk moth. Question 9. Filed Under: CBSE Class 7. Answer: Paheli went to the market to buy sarees for her mother. NCERT Solutions . (iii) both a and b Answer: Given below is a crossword puzzle based on this lesson. In which season sheep are sheared? It will help you gain all-important basic knowledge required to study advanced topics on fibres and fabrics. Question 8. This is the wool ready to be drawn into fibres. 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. PDF download free. NCERT Solution for Class 7 Science Chapter 3 is based on various aspects of how fibres get converted to fabric. Silk is obtained from the fleece of sheep. Tibet and Ladakh. 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. What is meant by scouring? (ii) Camel What is meant by the following terms? 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. Class VII . NCERTworld - NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric - NCERT Solutions and Download NCERT books free from class 6 to 12 NCERT textbook solutions NCERT solutions for Class 7 Science chapter 3 (Fibre to Fabric) include all questions with solution and detail explanation. You must be familiar with the following nursery rhymes: Sheep are herbivores and prefer grass and leaves. This solution contains questions, answers, images, explanations of the complete chapter 3 titled Fibre to Fabric of Science taught in class 7. Machines similar to those used by barbers are used to shave off hair. Class 7 - Science - CH3 - Fibre To Fabric NCERT Chapter Solutions and Q & A. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. CBSE class 7 worksheets as PDF for free download Fibre to Fabric worksheets. Notify me of follow-up comments by email. Name three animals that yield wool. Question 6. 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. Users can download and print the worksheets on class 7 Science Fibre to Fabric for free. Answer: NCERT Grade 7 Science, Chapter 3, Fibre to Fabric deals majorly with the fundamentals of two main animal fibres: wool and silk. (A) 1 : Keeps warm ); for commercial purposes. Answer: The rearing of silkworms for obtaining silk is called as sericulture. Which of the following does not yield wool? After 25 to 30 days, the caterpillars stop eating and move to a tiny chamber of bamboo in the tray to spin cocoons. Define Sericulture. NCERT Exemplar solutions for Class 7 Science is a powerful resource material to gain in-depth knowledge on the topics provided in fibre to fabrics chapter of Class 7. Sericulture, floriculture, moriculture, apiculture and silviculture. The Cocoons are kept under the sun or boiled or exposed to steam. Which are the missing steps? Class 7 Science Chapter 3 MCQ (Multiple Choice Questions) of Fibre to Fabric. Question 1. Explain the processing of silk. (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer: Hope the knowledge provided regarding the Fibre to Fabric Class 7 Extra Questions and Answers has helped you to the possible extent. Answer: Out of the following, which are the two terms related to silk production? Shearing does not hurt the sheep because uppermost layers of skin is dead. The silkworm is (a) a caterpillar, (b) a larva. NCERT Book Class 7 Science Chapter 3 Fibre to Fabric Soon the caterpillar completely covers itself by silk fibres. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. She took out a thread from the edge of the two sarees shown by the shopkeeper and burnt them. Question 13. Answer: The types of silks are mulberry silk, tassar, silk, eri silk, mooga silk etc.. Draw a neat diagram of the life-history of silk moth. Hints: Question 8. with different textures are obtained from different varieties of silk moths. Science worksheets for class 7 CBSE includes worksheets on Fibre to Fabric as per NCERT syllabus. What is selective breeding? The silk fibres are separate out. Question 1. Nutrition In Plants. Answer: A pile of cocoons is used for obtaining silk fibres. NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric September 25, 2019 by Sastry CBSE Topics and Sub Topics in Class 7 Science Chapter 3 Fibre to Fabric: Answer: (D) 1 : Thorough washing (b) What is meant by the white fleece of the lamb? The silkworm is (iv) Woolly dog Answer: The caterpillar secretes fibre made of a protein, soon the caterpillar completely covers itself by silk fibres and turns into pupa. The wool is obtained mainly from animals like sheep, yak and goat. Question 2. They grow in size and when the caterpillar is ready and enter pupa stage. The fibres can be dyed in various colours, as the natural fleece of sheep and goats is black, brown or white. NCERT Solutions For Class 7 Science Chapter 3 PDF Download. Answer: The worms are then kept in clean bamboo trays along with freshly chopped mulberry leaves. Silk fibres are then spun into silk threads. How is reeling of silk done? These MCQ Questions on Fibre to Fabric Class 7 with answers pave for a quick revision of the Chapter … Question 12. (i) a (ii) b (iii) both a and b … Students can Download Chapter 3 Fibre to Fabric Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Science, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. (a) Which parts of the black sheep have wool? All the questions mentioned here in Class 7 Science Chapter 3 Fiber To Fabric will come with detailed step by step solution along with a diagram and explanation to help students understand the concepts easily. The experts at Vedantu have released the Fibre to Fabric Class 7 PDF, which the students can download and study. 2 : Animal fibre Extra Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers. CBSE worksheets for Fibre to Fabric worksheet for class 7 in PDF for free download. Answer: Observation: We feel body hairs are softer than hairs on our head. The process of taking out threads from the cocoon for use as silk is called reeling the silk. What are burrs? The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt is called scouring. Answer: Sheep wool is very common. Reeling is done with special machines, which unwind the threads or fibres of silk from the cocoon. Sheep, goat, yak. Sericulture, Scientific name of mulberry is Morns alba. Also after the chapter you can get links to Class 7 Science Notes, NCERT Solutions, Important Question, Practice Papers etc. Question 7. For more info feel free to reach us and we will guide you at the earliest possibility. The first one discusses fibre wool in detail. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. Fibre to Fabric Class 7 Science Extra Questions Long Answer Type. (i) a (ii) b (iii) both a and b … cows, buffaloes, goats, etc. How is woollen cloth made after scouring hair of sheep? Question 4. In which areas are yaks found in plenty? The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms. The silk fibres separate out. Question 1. (i) ‘Baa baa black sheep, have you any wool.’ Stay connected to our site to avail latest updates on Extra Questions for Various Classes instantly. The rearing of silkworms for obtaining silk is called, The soft silk yarn (thread) is as strong as the thread of, Sericulture or Culture of silkworms is a very, Sometimes the sorters get infected by the bacterium, The risks faced by workers in any industry are called, The process of taking out threads from the cocoon is known as, The small fluffy fibres of wool are called. Choose the correct option. (i) Yak (ii) Camel (iii) Goat … Save my name, email, and website in this browser for the next time I comment. The process of cutting off the woolen fleece of sheep with a thin layer of skin is called shearing. There are two types of fibres from sheep fleece. A pile of cocoons is used for obtaining silk fibres. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Question 11. How many types of fibres found in sheep? Sorting is the process of separating the different textures of hair. Access free tutor videos and make learning fun on LIDO learning. This covering is known as cocoon. Answer: NCERT Solutions for Class 7 Science. The chapter is divided into two sections. Question 9. The silk yarn (thread) is obtained from the cocoon of the silk moth. Download NCERT Solution for Class 7 Science Chapter 3 Fibre to Fabric. Answer: (ii) b Question 5. Answer: i) Rearing: Rearing is raising and taking care of livestock (eg. NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric, contains solutions to various questions in Exercise for Chapter 3. Fibre to Fabric , CBSE Science Class 7 NCERT Solutions. Chapter 3: Fibre to Fabric. Several breeds of sheep are found in different parts of our country. Question 2. Anthrax. The caterpillar or silkworm spins the cocoon inside which develops the silk moth. South America also yield wool CBSE worksheets for Fibre to Fabric how the sheep along with freshly chopped mulberry.. Or sorted a sheep develops a thick coat of hair cocoon as silk- moth step-by-step Solutions will you... Possible extent Science - CH3 - Fibre to Fabric Class 7 PDF, which are called silkworms female... Of silks are mulberry silk, mooga silk etc more info feel free to reach us we... 7 CBSE includes worksheets on Fibre to Fabric ) include all Questions with solution and detail explanation silk, silk! Present on our head are fed, provided shelters, and are bred for better yield like milk,,. Application skills while preparing for board exams side in the form of the into... Fresh crop of leaves in a very detailed manner for better yield like milk meat... Worksheets on Class 7 Science Solutions Chapter 3 Fibre to Fabric per their convenience self-study. 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Stay connected to our site to avail latest updates on Extra Questions for Class 7 Chapter. Time as per the latest Class 7 Science a thick coat of,... Then kept in clean bamboo trays along with freshly chopped mulberry leaves – Fibre to Fabric are prepared by shopkeeper... Links to Class 7 Science Chapter 3 ( Fibre to Fabric Class 7 Science Solutions 3! To feel and compare the hairs present on our head and skin the breeding and management of silkworms the! Two stages in the trays to which cocoons get attached caterpillars or silkworms: State whether (. What is meant by the machines which remove the hair spun and woven into woollen cloth made after scouring of.
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