The raw, natural materials are spun into threads and yarns that are then woven or knit into natural fabrics. Rayon synthesised for the first time in England. Previous question Next question. 6. Question: Four different types of fibres are given to us. Cellulose. The following is an answer given by Boojho to a question asked by his teacher- “Cotton, wool, silk and jute are classified as natural fibres … 4. Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. Animal-based natural fibers include silk and wool, while plant-based natural fibers include cotton, linen, and jute. The animal fibres consist exclusively of proteins and, with the exception of silk, constitute the fur or hair that serves as the protective epidermal covering of animals. Terylene is a common variety of polyester. Silk filaments are extruded by the larvae of moths and are used to spin their cocoons.. With the exception of mineral fibres, all natural fibres have an affinity for water in both liquid and vapour form. A. towards. It is not a natural fibre… Vegetable fiber, strong, tough, flexible, moisture absorbent, not shape retentive. There are two general categories of natural fibers: animal-based or plant-based. 7. Classification of natural fibers. Silk: It's filament is a continuous thread of great tensile strength measuring from 500 to 1 500 metres in length, with a diameter of 10-13 microns. Rayon is a natural fibre. Viscose: a misunderstood fabric? Because sunlight damages silk, especially that which has been heavily weighted, it is not a good fiber for drapery fabrics unless the draperies are lined. In woven silk, the fibre's triangular structure acts as a prism that refracts light, giving silk cloth its highly prized "natural shimmer". 2. It has good absorbency, low conductivity and dyes easily. •Silk •Cotton •Wool •Mohair •Cashmere. Natural fibers are classified according to their origin: •Vegetable or cellulose •Animal or protein •Mineral. (b) False. When a fabric is not labelled as “natural” then consumers can judge it harshly, without any true understanding of the fabric. Follow Permanent Care Label Instructions. Source: Have Love Will Travel via Etsy Linen. Rayon is the first man-made cellulose fibre. Because silk is made up of continuous filaments rather than staple fibres, it is one of the strongest natural fibre fabrics. Q1. Since jute is obtained from the stem of a plant. Polyester is the strongest synthetic fibre. Linen comes from the stem of a flax plant. 15. It is a natural silk and is an animal fibre. Does not melt, but should be pressed with a press cloth. Which of the following is not a natural fibre? Flax fibres are very durable making linen twice as strong as cotton and 3 times stonger than wool. Read more.. 6-january-1947: all india congress committee accepted the division of the country. (c) True (d) True. Dress shields should be worn to protect the underarms of silk dresses. Artificial silk is another name for silk. Synthetic fibres shrink a lot when washed. Since silk is an animal fibre obtained from silkworms. Viscose is probably the most misunderstood of all fibres, manmade or natural. Silk: B. 3. (a) False. 5. Fibres can weaken when wet; 5. 8. Question is ⇒ Which of the following is not a natural fibre?, Options are ⇒ (A) Silk, (B) Viscose rayon, (C) Wool, (D) Cotton, (E) , Leave your comments or Download question paper. Nylon was made in 1931. Committee accepted the division of the country true understanding of the country source: Have Love Will Travel Etsy. Plant-Based natural fibers are classified according to their origin: •Vegetable or cellulose or! Is a natural silk and wool, while plant-based natural fibers are classified according to their:... 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