They are provided by nature in ready-made form. All fibers which come from natural sources (animals, plants, etc.) DASH Eating Plan The Dietary Approaches to Stop Hypertension (DASH) eating plan is a way of eating that helps lower high blood pressure. Some of the natural fibers like vegetable fibers are obtained from the various parts of the plants. (5) Combing. Many natural fibres come from plants and hence plants need to be cut to obtain these fibres. Explain with examples. For example, the original DASH trial, published in the New England Journal of Medicine in 1997, found that the DASH diet reduced blood pressure in adults with borderline high blood pressure (hypertension). The fibres obtained from plants and animals are called natural fibres. It has resulted in reducing our dependency on natural fibres. Q.3. Ans. The white woollen fibres obtained by sorting can be dyed in different colours. Examples of natural fibres are cotton and jute whereas examples of synthetic fibres are: nylon, polyester, etc. For example, cotton from cotton bolls, jute from jute plant, silk from cocoon of silkworm and wool from hair of animals like sheep or goat. Ans. Less demand for natural fibres means there is reduced need to cut trees. It has helped in conservation of forests. Combing is a method to prepare woollen fibres for spinning the yarn. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. Q.4. 21.Comperatively less durable than synthetic fiber. 22.The use of natural fibers are limited than synthetic fiber. What are synthetic fibres? For example, a 2001 study in The New England Journal of Medicine found that limiting sodium and following a DASH diet resulted in even bigger reductions in blood pressure than doing DASH alone. 21.Synthetic fibers are more durable than natural fiber. Recommended Videos This latest study adds to established research linking the DASH diet with heart health. The natural fleece or hair of sheep (or goats) is white, brown or black in colour. Answer: Synthetic fibres have replaced natural fibres for most uses. Students can solve NCERT Class 8 Science Synthetic Fibres and Plastics MCQs Pdf with Answers to know […] Science MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. It is rich in fruits, vegetables, and fat free or low fat dairy products. What are natural fibres? 800.382.6164 This eating plan also includes whole grain products, fish, poultry and nuts. B&I offers the finest selection of finishes to customize your molded dash kit and dash kit with. On the other hand, fibres that are obtained from the animals are known as animal fibres. Fibres that are obtained from the plants are known as plant fibres. and do not require fiber formation or reformation are classed as natural fibers. The DASH diet is rich in grains, fruits, vegetables and low-fat dairy products. The DASH diet also limits sodium to between 1,500 and 2,300 milligrams a day. The natural fibers are vegetable, animal, or mineral in origin. It limits total fat, trans fat and saturated fat, and provides plenty of fiber, potassium, calcium and magnesium. It is low in total fat, saturated fat, and cholesterol. 20.Natural fiber has a great demand as humans wear. From real wood to real carbon fiber to camo and even your own paint-code. This is done by using combs having metal teeth. The performance of the natural fibre composites depends directly on the fibres counting, length, shape, arrangement and also the interfacial adhesion wi th the matrix [4]. 20.Synthetic fiber is widely used in every day life except humans wear. The DASH diet and heart health. 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