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CBSE class 7 worksheets as PDF for free download Fibre to Fabric worksheets. Answer: Answer: NCERT Solutions For Class 7 Science Chapter 3 PDF Download. Where and how the sheep are reasred in India? Which of the following does not yield wool? Question 1. The first one discusses fibre wool in detail. NCERT Science Class 7 Chapter 3 Class 7 Fibre to Fabric Activity Answers. Question 1. Notify me of follow-up comments by email. Stay connected to our site to avail latest updates on Extra Questions for Various Classes instantly. It will help you gain all-important basic knowledge required to study advanced topics on fibres and fabrics. (D) 1 : Thorough washing A pile of cocoons is used for obtaining silk fibres. This covering is known as cocoon. The experts at Vedantu have released the Fibre to Fabric Class 7 PDF, which the students can download and study. Question 2. Sheep wool is very common. Question 5. The caterpillar or silkworm spins the cocoon inside which develops the silk moth. In which areas are yaks found in plenty? A female silk moth lays hundreds of eggs at a time. mulberry silk, Tassar silk, etc.) Small racks or twigs may be provided in the trays to which cocoons get attached. Choose the correct option. Users can download and print the worksheets on class 7 Science Fibre to Fabric for free. Question 2. Q2: State whether true (T) or false (F): Wool and silk are the animal fibers. This is done when mulberry trees bear a fresh crop of leaves. Answer: Larvae of silk moth are called silkworms. (i) ‘Baa baa black sheep, have you any wool.’ Add them. Question 5. The fibres are scoured again and dried. Answer: Hope the knowledge provided regarding the Fibre to Fabric Class 7 Extra Questions and Answers has helped you to the possible extent. selective breeding. (iii) both a and b The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms. Different types of silk (eg. NCERT Solutions for Class 7 Science. For pupa stage, the caterpillar completely covers itself by silk fibres. These MCQ Questions on Fibre to Fabric Class 7 with answers pave for a quick revision of the Chapter … Question 12. NCERT Solutions For Class 7 Science Chapter 1: This chapter, Nutrition in Plants, … Silkworm ➝ Cocoon with pupa. After 25 to 30 days, the caterpillars stop eating and move to a tiny chamber of bamboo in the tray to spin cocoons. Question 8. The Cocoons are kept under the sun or boiled or exposed to steam. Question 1. Download NCERT Solution for Class 7 Science Chapter 3 Fibre to Fabric. Summer. Which of the following does not yield wool? How is rearing of silkworm done? The silk fibres separate out. The worms are then kept in clean bamboo trays along with freshly chopped mulberry leaves. What is cocoon? What are burrs? Answer: (i) a (ii) b (iii) both a and b … After scouring, sorting is done. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. This enables sheep to survive without their protective coat of hair. Answer: Ans:- Yak wool is common in the hilly regions of Tibet and Ladakh. The best feature of these solutions is a free download option. Question 4. (iv) Woolly dog. Describe the life history of silk moth. Answer: Out of the following, which are the two terms related to silk production? Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers. Question 3. The process of selecting parents for obtaining special characters in their offspring such as soft under hair in sheep is termed as 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. The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt is called scouring. Silk fibres are then spun into silk threads. (iii) Both a and b. Question3. Answer: There are two types of fibres from sheep fleece. Answer: Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. The fur on the body of camels is also used as wool. What is the diet of sheep? It begins with few sources of wool and the concept of selective breeding. Answer: 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. Question 1. One thread burnt with a smell of burning hair and the other burnt with the smell of burning paper. How many types of fibres found in sheep? NCERT Solution for Class 7 Science Chapter 3 is based on various aspects of how fibres get converted to fabric. Question 7. Tibet and Ladakh. It is a fatal blood disease. (iv) neither a nor b. What are the various types of silk? Anthrax. 2 : Its leaves are eaten by silkworms The silkworm is 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 Extra Questions and Answers Science Chapter 3 PDF are solved by experts and will guide students in the right direction. Question 6. Explain the life-history of silk moth. NCERT solutions for Class 7 Science chapter 3 (Fibre to Fabric) include all questions with solution and detail explanation. Answer: Which are the missing steps? Define Shearing. Grass, leaves, mixture of pulses, corn, jowar, oil cakes and minerals. (i) Yak Sericulture, floriculture, moriculture, apiculture and silviculture. Soon the caterpillar completely covers itself by silk fibres. Access free tutor videos and make learning fun on LIDO learning. The hair provide woollen fibres. What are silkworms? (b) a larva. Answer: They are. Answer: Question 10. Answer: What is the most common silk moth? Mulberry silk moth. The silkworm is. Activity 3.1 asks us to feel and compare the hairs present on our head and skin. Class VII . Activity 3.1. (ii) Camel Chapter 3 Fibre To Fabric. Filed Under: CBSE Class 7. Students of Class 7 can download these solutions at any time as per their convenience for self-study purpose. The caterpillar secretes fibre made of a protein, soon the caterpillar completely covers itself by silk fibres and turns into pupa. Question 1. Sheep, goat, yak. Hints: Question 8. Answer: The eggs are stored carefully on strips of cloth or paper and sold to silkworm farmers. Answer: 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. Such a solution-based approach will help the students to build a … (i) a (ii) b (iii) both a and b … What is sorting? (a) a caterpillar. Solutions of every question of Class 7 Science topic – Fibre to Fabric is available in a very detailed manner. The silk fibres are separate out. Chapter 3: Fibre to Fabric. Answer: The silk yarn (thread) is obtained from the cocoon of the silk moth. The small fluffy fibres, called burrs, are picked out from the hair. Answer: NCERT Grade 7 Science, Chapter 3, Fibre to Fabric deals majorly with the fundamentals of two main animal fibres: wool and silk. 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. The larvae, called caterpillars or silkworms, eat day and night and increase enormously in size. Woollen fibres are then processed to obtain woollen yarn. White fleece refers to the white hair of lamb that is used to make wool. NCERT Solutions . 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. Which animal provides Pashmina shawls? This covering is known as cocoon. Scroll down for Fibre to Fabrics from NCERT Book Class 7 Science Book & important study material. The rearing of silkworms for obtaining silk is called 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. Answer: ); for commercial purposes. Question 6. Question 13. Moriculture. Answer: Fibre to Fabric Class 7 Science Extra Questions Long Answer Type. The fine and soft under-hair that grows close to the skin of the sheep have wool. CBSE worksheets for Fibre to Fabric worksheet for class 7 in PDF for free download. Sheep are herbivores and prefer grass and leaves. Question 3. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. (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. Small fluffy fibres found in hair of sheep are called burrs. 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. (ii) b Class 7 - Science - CH3 - Fibre To Fabric NCERT Chapter Solutions and Q & A. Sorting is the process of separating the different textures of hair. Nutrition In Plants. (i) a The process of selecting parents for obtaining special characters in their offspring, is termed ‘selective breeding’. Explain the processing of silk. Question 9. Answer: NCERT Book Class 7 Science Chapter 3 Fibre to Fabric For easy access, we at BYJU’S provide free Class 7 Science NCERT Solutions for all chapters in PDF format. Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shearing does not hurt the sheep because uppermost layers of skin is dead. How is silk processed? Several breeds of sheep are found in different parts of our country. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Question 4. 3 : Hatches from egg of moth, Question 1. Choose the correct option. 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. Llama and Alpaca found in South America also yield wool. Answer: 3 : Long thread like structure, Across This covering is known as Cocoon. Observation: We feel body hairs are softer than hairs on our head. Use hints to fill in the blank spaces with letters that complete the words. Answer: Class 7 Science Chapter 3 MCQ (Multiple Choice Questions) of Fibre to Fabric. The rearing of silkworms for obtaining silk is called as sericulture. Answer: A pile of cocoons is used for obtaining silk fibres. Shearing, scouring, sorting, picking of burrs, dying of fibres, making of yarn. The cocoons are kept under the sun or boiled or exposed to steam. The eggs are warmed to a suitable temperature for the larvae to hatch from eggs. Extra Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers. Answer: Question 4. (iv) Woolly dog Question 1. iii) Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Answer: Answer: NCERT Solutions for Class 12 Hindi Vitan Chapter 4 डायरी के पन्ने, NCERT Solutions for Class 12 Hindi Vitan Chapter 3 अतीत में दबे पाँव, NCERT Solutions for Class 12 Hindi Vitan Chapter 2 जूझ, NCERT Solutions for Class 12 Hindi Vitan Chapter 1 सिल्वर वैडिंग, NCERT Solutions for Class 12 Hindi Aroh Chapter 18 श्रम-विभाजन और जाति-प्रथा, मेरी कल्पना का आदर्श समाज, NCERT Solutions for Class 12 Hindi Aroh Chapter 17 शिरीष के फूल, NCERT Solutions for Class 12 Hindi Aroh Chapter 16 नमक, NCERT Solutions for Class 12 Hindi Aroh Chapter 15 चार्ली चैप्लिन यानी हम सब, NCERT Solutions for Class 12 Hindi Aroh Chapter 14 पहलवान की ढोलक, NCERT Solutions for Class 12 Hindi Aroh Chapter 13 काले मेघा पानी दे, NCERT Solutions for Class 12 Hindi Aroh Chapter 12 बाज़ार दर्शन. The further development of the moth continues inside the cocoon. Question 4. 2nd PUC Model Question Papers with Answers, 1st PUC Model Question Papers with Answers, KSEEB SSLC Class 10 Social Science Solutions, KSEEB Solutions for Class 9 Social Science, KSEEB Solutions for Class 7 Hindi Chapter 16 बूंद बूँद से सागर, KSEEB Solutions for Class 7 Hindi Chapter 4 मैं भी नाम कमाता, KSEEB SSLC Class 10 Maths Solutions Karnataka State Syllabus, KSEEB SSLC Class 10 Science Solutions Chapter 16 Sustainable Management of Natural Resources, KSEEB Solutions for Class 10 Maths Chapter 9 Polynomials Ex 9.4, KSEEB Solutions for Class 10 Maths Chapter 1 Arithmetic Progressions Ex 1.4, KSEEB Solutions for Class 10 Maths Chapter 14 Probability Ex 14.2, KSEEB Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.7, KSEEB Solutions for Class 10 Maths Chapter 2 Triangles Ex 2.6, KSEEB SSLC Class 10 Maths Solutions Chapter 10 Quadratic Equations Ex 10.4, KSEEB SSLC Class 10 Maths Solutions Chapter 8 Real Numbers Ex 8.2, KSEEB SSLC Class 10 Maths Solutions Chapter 1 Arithmetic Progressions Ex 1.2, KSEEB Solutions for Class 10 Maths Chapter 15 Surface Areas and Volumes Ex 15.5, Silk production involves cultivation of mulberry leaves and rearing silkworms. 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