The second stage began with the use of animal fibres especially wool and silk. Silk fibres come from cocoons of the silk moth. Rabbit hair, animal fibre obtained from the Angora rabbit and the various species of the common rabbit. For example, polyester, nylon, and acrylic, etc. Because of the waviness of wool, the woollen fabrics have a greater bulk (than cotton fabrics) and hence trap more air. Read more about these on the sheep breeds page. Fabrics are defined as a cloth material made by knitting or weaving or of threads together. Some of the examples of synthetic fibres are nylon, polyester (like terylene) and polyacrylic (like Orion). Rabbits have coats consisting of both long, protective guard hairs and a fine insulating undercoat. Explain the life cycle… (a) Woollen shawl (b) Silk scarf (c) Animal fur cap (d) Leather jacket. Do you know which part of the sheep’s body yields fibres? 3.3 SOME PLANT FIBRES Cotton Have you ever made wicks for oil lamps? For example, polyester, nylon, and acrylic etc. substances, which are not obtained from plant or animal sources. Most of this down fibre is plucked or combed out by hand during the molting season. e) Weaving of yarn makes a piece of fabric. Types of Fibre There are two types of fibres classified accord The fibres are of two types:1 Natural fibres 2 Synthetic fibres. Cotton Fibres: Cotton fibre is obtained from cotton plants that grow in black soil in a warm climate. Then it is subjected to next process depending upon whether it is meant for worsted purpose or woolen products. f) Silk fibre is obtained from the stem of a plant. SOLUTION: (A) True (B) False : Spinning is the process of making yarn from fibres. Alpaca to Yak . Answer. 1. Question 9. These fabrics are then used for making our dresses and for other domestic purposes like curtains, etc. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Explain. The fibres which are obtained from natural sources like plants and animals are called natural fibres.The fibres which are prepared from chemical substances in industry are called synthetic fibres. Wool → Wool comes from sheep, goat, yak and some other animals who are having hair on their body. Fibres are the materials, which are available in the form of thin, continuous and flexible strands spun into yarn and made into fabrics. From which parts of the plant cotton and jute are obtained? Name two items that are made from coconut fibre. Fibres are also made from chemical substances, which are not obtained from plant or animal sources. These fibres are generally produced from the animal’s fur, skin, hair, or even secretion in the case of the silkworm. Animal Fibres Synthetic fibres- such fibres are Obtained from Synthetic chemical sources (nylon and rayon they are prepared from chemical process) (C) False : Jute is obtained from jute plant (Corchorus). Made of proteins eg wool and silk. The fibers extracted from these animals greatly differ in terms of biological, chemical and physical features. For example, polyester, nylon, and acrylic, etc. What do you use for making these wicks? Wool - Obtained from fleece/ hair of some animals sheep/ goat/ rabbit/ yak/ camel - Soft to touch - Traps air in the spaces present, air is a poor conductor of heat and so keeps us warm - easily dyed in different colors. Some examples of synthetic fibres are polyester, nylon and acrylic. Sheep. In India, cotton is grown in Gujarat, Maharashtra, Andhra Pradesh, Punjab, Haryana, Karnataka, Tamil Nadu, Rajasthan, Orissa and Madhya Pradesh. This cotton wool is also used for filling mattresses, quilts or pillows. These fibres are not obtained from plant or animal sources. Obtained from various parts of the plant. → Wool is obtained from the fleece (hair) of fleece sheep or yak. These fibres are usually made up of different kinds of proteins. What are you doing? These are the only natural fibers, which have considerable low strength. These MCQ Questions on Fibre to Fabric Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. 22 Animal Fibre Mahaboobnagar district. Can you name the fibre we get from sheep and goat? TYPE OF FIBRES. Example: Wool and Silk. Animal fibres → Wool and silk fibres are obtained from animals. Natural silk is an animal fibre. Artificial silk is obtained from wood pulp and it is made up of modified plant material ‘cellulose’. Find an answer to your question A. Answer: The jute plant is normally harvested at flowering stage. Wool is obtained from the fleece (hair) of sheep or yak. 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. Types of Fibres, Fibre to Fabric, Class 6. → Wool is derived from these hairy fibres. Natural Fibres can be categorised in two different types: Plant Fibres. Natural fibres further can be classified in two categories according to its source of generation. Another animal fibre you all are familiar with is silk. g) Polyester is a natural fibre. These fibres can not be produced by any type of chemical process. 3 Fibre to Fabric I n Class VI you have learnt about some fibres obtained from plants. Used for animal feed as well as human nutrition, fibres form part of Tereos’ by-products. c) Jute is the outer covering of coconut. “Textile fibres directly obtained from nature are called natural fibres”. The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. Iranian cashmere, however, is obtained by shearing. Animal Fibres - Silk | Home | | Pharmacognosy | Chapter: Pharmacognosy and Phytochemistry : Fibres, Sutures and Surgical Dressings. 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