Which is not a natural fibre GC Fibres Polymers Which of the following is not a natural fibre? Silk fibre is obtained at which of the following stage of its life cycle? (c) Weaving is a process of arranging two sets of yarn together. On complete maturation of plant, fibres of its stem become very hard. Cotton; Jute; Nylon; Flax; Answer. State the following statement are true or false a) Yarn is made from fibres b) Spinning is a process of making fibres c) Jute is the outer covering of coconut d) The process of removing seed from cotton is called ginning. The ï¬bre which is obtained from the outer covering of a coconut is: Flax Hemp Coir Jute 20 Which of the following can we not make using coir? Which of the following does not belong to the group formed by the others? It is a natural silk and is an animal fibre. Which of the following is not a reason that power plants are unable to achieve 100 percent efficiency? (D) Wool and silk. Why are jute plants cut at flowering stage and not on complete maturation? Which of the following is not a natural fibre? Wool Coir Silk Polyester 22 How are silk worms reared? (c) The cotton picked up from the plants still has its seed in it. The jute plant is normally harvested when it is at a flowering stage. 13. The stems of the harvested plants are immersed in water for a long time. 5. So, Silk is not obtained ⦠b) Dalbergia sissoo. They are provided by nature in ready-made form. (c) The invention of the needle helped in sewing pieces of fabrics together. Question 5: Which set of substances is not used for making fibres? Cotton is a flowering plant, which ⦠and do not require fiber formation or reformation are classed as natural fibers. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. Cotton is plant fibre obtained from the Cotton plant. (d) Silk is a smooth, shiny, natural fabric obtained from animals. Which of the following is not a natural fibre? Question 2. e) Weaving of yam makes a piece of fabric. A thin thread like structure obtained from plants or animals is known as fibre. Which of the following elements are obtained by plants from the soil? Foot mats Carpets Saree Ropes 21 Which of the following is a ï¬bre obtained from plants? ... and plants on the leaves of which the related silkworm feeds (Q). 2. What is fibre? Which set of substances is not used for making fibres? Wool is obtained from hair of animals like sheep, yak etc. Leaves are simple, ovate to elliptic, stipulate, serrate, acute or shortly acuminate, [â¦] Question 2. ix. The plants bore fruits called _____ . Natural Fibre and Synthetic Fibre. The fibre plants are: 1. Question: Explain how jute is obtained from the jute plant. D) Cotton plants. Question 16. Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. Hans buys a ⦠It is cultivated mainly during the rainy season. A. Entropy increases. c) roots. B. The plants bore fruits called _____ . c) Acacia arabica. (ii) Alluvial soil is most suitable for growing jute plants. (a) Cotton (b) Jute (c) Nylon (d) Flax 5. oxygen nitrogen hydrogen phosphorus potassium. Silk is a plant fibre. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. Heat is often a waste product. Cotton a. All fibers which come from natural sources (animals, plants, etc.) (i) The biomass is obtained from unicellular microorganisms only. Cotton, flax and jute are the natural fibres obtained from plants. a) seeds. Consider the following statements (i-iv) and select the option that correctly identifies true (T) and false (F) ones. (a) Cotton (b) Jute (c) Nylon (d) Flax. (ii) It provides a protein rich supplement. The chicory powder which is mixed with coffee powder is obtained from . (C) Silk and jute. Some of the natural fibers like vegetable fibers are obtained from the various parts of the plants. Silk is a plant fibre. 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. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. These are called natural fibres.For examples, wool and silk fibres are obtained from animals while cotton and jute are obtained from plants. It is obtained from the stems of jute plants (Corchorus). Examples of Fibre Crops. b) leaves. I, the cotton fibre Answer 4 (c) Question 5. a. Jute. Which of the following is not a natural fibre? d) Morus alba. Jute 2. 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 ⦠Which one of the following is not a natural fibre. Plants depend on the atmosphere for the largest source of: phosphorus oxygen carbon water. (b) Jute is the outer covering of coconut. Types of fibre; Fibre can be of two types, viz. Fibres are spun using 2 or 3 fine delicate strands to make yarns. Important Questions Of Fibre To Fabric Question 1: Fill in the blanks: (a) A fabric is the material used to make clothing. (A) Jute fibres are obtained from the stems of the plants. Which of the following fibre is not obtained from animals? 2.Which one of the following statements is correct? The silk fibre is obtained from the cocoons by a process known as reeling. Silk fibre is obtained from silk worms. C) Fleece of sheep. The plants bore fruits called _____ . Which statement out of the following is incorrect? (B) Cotton andflax. Sisal Hemp. Fibre to Fabric Short Answer Type Questions. Silk is obtained from silkworms. Jharkhand and Assam warm climate examples, wool and silk fibres are given to us,.! 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