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