nylon rayon polyester acetate ... but not a regenerated fiber is metal carbon rayon PLA PBO. 1) ___Nylon A) Natural fiber that is easy to dye and may shrink slightly in the wash 2) ___Acrylic B) Natural fiber that is strong and light, and usually dry cleaned 3) ___Rayon C) Manmade fiber that is soft and may form "pills" 4) ___Cotton D) Manmade fiber that is easy to dye and is washed at low temperatures true or false. true. True False 0 points QUESTION 6 Rayon is a synthetic fiber, because it is manufactured from manufactured resources like cellulose present in wood pulp. Shearing is usually done in summer season-True The national labor relations act is also called the wagner act.true or false? (b) Spinning is a process of making fibres. ____ is a natural fiber that is not used due to health reasons. Answer: False, because silkworms feed on mulberry leaves. The quality of wool fibres is assessed based on several characteristics including fibre length, fineness, colour, cleanliness, damage and surface scales. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Concept: Fibre. it has a silk like appearance. Cotton plants are grown for fibre and their seeds can be used for preparing cooking oil. Explanation: Workers in wool industry generally suffer from sorter's disease-True. It is not a natural fiber, yet it is not synthetic. 2. Answers: 1 Show answers Another question on Health. Natural fiber that draws heat from the body. The threads or yarns are made from thin fluffy strands called fibres. Concept Notes & Videos 177. Silk fiber is obtained from the stem of a plant. Answer: cotton plants, jute plants; wool, silk Silk is a natural carbohydrate fibre. It is an artificial/manmade fibre. So, what other false facts are there about rayon? Rayon is a natural fibre- False. D. Is a good conductor of electricity. EASY. Which of these is a common natural fiber? The national labor relations act is also called the wagner act.true or false? II. D. Is a good conductor of electricity. 8. (e) Silk fibre is obtained from the stem of a plant. State whether the following statement is true or false: Polyester is a natural fibre… State whether the following statements are ‘true’ or false’: (a) Yam is made from fibres. This material, however, is less natural in comparison to cotton as the process that’s used to segment it is quite chemical-heavy. I think now that you understand the viscose rayon process you would agree it's not natural at all! Polyester is a natural fiber. iii. Advertisement. This fiber can be made to resemble most natural fibers in appearance and is often used in blends. True or false? Rayon is not considered as a synthetic fibre as it is regenerated from cellulose. (A) Yarn is made from fibres. Health, 21.06.2019 16:30. Rayon is probably the most misunderstood of all fibers. Polyester is a natural fibre. False. Fibre to Fabric Class 6 MCQs Questions with Answers. It was the first fully synthetic fibre. Ans: Rayon 4. Which artificial fibre is made from wood pulp? It's made of regenerated cellulose. Answer: False, because mooga is the strongest variety of silk. true. True / False v) Viscose rayon is a protein fibre. Whereas nylon or polyester, fibers are purely synthetic polymers, made entirely from chemicals. True. ... Rayon is an example of a man-made natural fiber. That's a lot of science, chemicals, and steps. Natural sources: Cotton, jute, silk, wool etc. Whites are washed with the light colored garments. Solution: High elasticity and no wrinkling are the major advantages of nylon over rayon. The process of removing seed from cotton is called ginning. Question Bank Solutions 4944. Rayon is a synthetic fibre made from a natural source : wood pulp. Which synthetic fibre is commonly used to make strong ropes? its fibres can also be woven like those of natural fibres As an inexpensive fiber, rayon has often been used in low-end,poorly constructed … (F) Silk fibre is obtained from the stem of a plant. D. The assertion is false but the reason is true. Identify the synthetic fibre which resembles wool. Rayon or Artificial Silk. are manmade material used for making clothes. Fiber to Fabric 1. (ii) Which is a natural fibre? A. Rayon. rayon nylon polyester silk? (iii) Jute is … NCERT solutions for Science Class 6 CBSE chapter 3 (Fibre to Fabric) include all questions with solution and detail explanation. v. Synthetic fibres are obtained from animals. True False 0 points QUESTION 7 Please match the following: - A. Answer: True. True / False iii) Coir is a cellulosic fibre. Hence, though both are suitable for textile industry, nylon is more popular in making dresses and uniforms than rayon. Any plant or tree could be used as the cellulose source – including bamboo – but the fiber that is created is rayon. Classify the following fibres as man-made and natural: (i) Nylon (ii) Wool (iii) Cotton (iv) Silk (v) Polyester (vi) Rayon (vii) Acrylic (viii) Jute 3. Rayon is a cellulose fiber that was first produced to be a substitute for silk. Rayon is a regenerated cellulose fiber that is made from natural sources of cellulose, such as wood and related agricultural products. True / False iv) A staple fibre is of infinite length. False; True; False; True; True; True; Question 4. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Fibers: All cloth materials are made up of long, narrow, thin structures called fibers.Fibers are obtained from natural as well as manmade sources. (C) Jute is the outer covering of coconut. Syllabus. rayon false facts. Fleece of sheep. B. Terylene. • … Ans: Rayon 7. Ans: [Pollymers] 8. are obtained from natural sources plants or materials. State whether the following are true or false and correct the false statements: • (i) Fibre is the basic unit of all fabrics. g) Polyester is a natural fibre. False. D. Acrylic. State whether the following statement is true or false: Polyester is a natural fibre. Q.2. Viscose can mean:. The assertion is true but the reason is false. Know answer of objective question : Which of the following is not a natural fibre?. C. Nylon. Rayon is a man-made fiber created from the cellulose found in plants and trees and processed with a harsh chemical that releases hazardous air pollutants. The truth is that the process of manufacturing rayon fabric is rather challenging to comprehend. Answer this multiple choice objective question and get explanation and result.It is provided by OnlineTyari in English View Answer. 6. True. CBSE CBSE Class 6. PLA. Mooga is the strongest variety of wool. In the acid bath, the solution is regenerated (that's where that greenwashed term comes from) back into cellulose fiber aka rayon. (D) The process of removing seeds from cotton is called ginning. Polyester is a natural fibre. ... T/F drape is one of the reasons why viscose rayon, modal, and lyocell fibers are used for women's apparel. 3. 2. (d) The process of removing seeds from cotton is called ginning. Is a natural fibre. f) Silk fibre is obtained from the stem of a plant. Which synthetic fibre is also called artificial silk? Cotton and wool are natural polymers. Safety pin … Linen. iv. All plastics are made of long chain molecules called -----. Synthetics wrinkle easily. • Classify the following fibres as man-made and natural: • (i) Nylon (ii) Wool (iii) Cotton (iv) Silk (v) Polyester (vi) Rayon(vii) Acrylic (viii) Jute 8. Which of the following is a true statement? 5. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. True. true or false. Synthetic fibres are costlier than natural fibres. vii. (B) Spinning is a process of making fibres. True. True / False vi) Silk is a natural fibre. (d) Weaving of yam makes a piece of fabric. Rayon is mixed with cotton to make bedsheets or mixed with wool to make carpets. Answer: a) Yarn is made from fibres: - (True) b) Spinning is a process of making fibres: - (False) c) Jute is the outer covering of coconut: - (False) d) The process of removing seed from cotton is called ginning: - (True) Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False True / False ii) Viscose rayon was the first truly man-made fibre. Natural polymers are the products of raw materials found in nature that can be extracted. Angora wool is obtained from a species of rabbit. You can call it a synthetic fibre or a man made natural fibre. Question 8. Answer. Answer: (D) ... Is a natural fibre. (ii) Filament are short fibres. False. Ans: Nylon 6. Spinning is a process of making fibre. The most prevalent natural plant fiber is _____. Weaving of yarn makes a piece of fabric. A viscous solution of cellulose; A synonym of rayon; A specific term for viscose rayon — rayon made using the viscose process State whether the following statements are True / False: i) Cotton is a man-made fibre. it is obtained from wood pulp. Jute is the outer covering of coconut. 3. You can refer to NCERT Solutions for Class 6 Science Chapter 3 Fibre to Fabric to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. This will clear students doubts about any question and improve application skills while preparing for board exams. I. Artificially prepared synthetic fibre which resembles silk is known as terylene. True or False: The age and sex of the individual from whom a hair sample has been taken can be determined through an examination of the hair's morphological features. Textbook Solutions 4993. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Nylon . False. State whether the following statements are true or false. Animal fibres are _____ and _____ . Answer: True; False; False; True; True; False; False; Question: Fill in the blanks: Plant fibres are obtained from _____ and _____ . Man made sources:Polyester, nylon, rayon etc. vi. False… … Generic name of a man-made fiber. Silkworm feeds on oak leaves. It has the same molecular structure as cellulose. Shearing is usually done in summer season-True. 1. Cotton. (E) Weaving of yarn makes a piece of fabric. true. It is a man-made fibre obtained from a natural source wood pulp. It is a fiber formed by regenerating natural materials into a usable form. Nylon is a synthetic fibre. viii. Answer: False, silk fibre is made up of a protein. Answers: 2. True or false? State whether the following are true or false and correct the false statements: (i) Fibre is the basic unit of all fabrics. How is Rayon made? Rayon is a regenerating natural fiber (cellulose fiber), which is made from the wood pulp. T/F triexta is a generic name that is approved by the ftc. Question 9. Answer: (A) Is wrinkle free. Silk fibre is obtained from the stem of a plant. Rayon is different from synthetic fibre because. Wool is a kind of animal fibre taken from hair of sheep and goats. Other than that – both solutions are quite common. (c) Jute is the outer covering of coconut. ... Cotton and wool are natural polymers. Question 10. (a) Nylon (b) Rayon (c) Polyester (d) All of these Answer: (d) All of these fibres are man-made. Rayon is significantly heavier than cotton. asbestos ... false. Read the following statement and mark the correct answer. 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