11 stycznia 2021

which of the following fibre is not obtained from plants

c) Acacia arabica. Nylon is a synthetic fibre. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. It is obtained from the stems of jute plants (Corchorus). The fibre plants are: 1. Cotton in association with other tissues. Wool is obtained from hair of animals like sheep, yak etc. d. Flax. I, the cotton fibre b. A thin thread like structure obtained from plants or animals is known as fibre. (c) Cotton fibre is fibre which is obtained from the leaves of the cotton plant. b. In replicated experiments, plots are planted with flax seeds in densities of 60, 1,440, and 3,600 per square meter, respectively. Select the option which completes the table. Wool Coir Silk Polyester 22 How are silk worms reared? Jute is a natural plant fibre. Jute fibre is obtained generally from the stem of the jute plant. (b) The process of making yarn from fibres is called knitting. Which is not a natural fibre GC Fibres Polymers Which of the following is not a natural fibre? What is 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. e) Weaving of yam makes a piece of fabric. Question 2. (B) Cotton andflax. (iii) The cotton plant requires warm climate. Cotton; Jute; Nylon; Flax; Answer. C) Fleece of sheep. 12. a) Flax ... One of the following plants is a rich variety of timber: a) Cassia fistula. Types of fibre; Fibre can be of two types, viz. d) stems. It is a natural silk and is an animal fibre. Foot mats Carpets Saree Ropes 21 Which of the following is a fibre obtained from plants? 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 … a. Jute b. (ii) It provides a protein rich supplement. Wool is obtained from the fur of animals like sheep, yak etc. Nylon is a synthetic fibre. (a) Cotton (b) Jute (c) Nylon (d) Flax Solution: (c) Nylon Cotton, flax and jute are the natural fibres obtained from plants. Fibre Plant # 1. It is a tropical plant which is mainly grown in regions having black soil and warm conditions. Examples of Fibre Crops. Consider the following statements (i-iv) and select the option that correctly identifies true (T) and false (F) ones. Fibres are spun using 2 or 3 fine delicate strands to make yarns. carbon. Used for pain relief and illegal recreation, these drugs are derived from the Opium Poppy (Papaver somniferum). Which of the following elements are obtained by plants from the soil? Answer: Morphine, codeine, opium. a. Jute. Question: Explain how jute is obtained from the jute plant. done clear. They are provided by nature in ready-made form. All fibers which come from natural sources (animals, plants, etc.) Fibre to Fabric Class 6 MCQs Questions with Answers. Types of Fibres, Fibre to Fabric, Class 6. 2.Which one of the following statements is correct? (D) Wool and silk. d) Morus alba. The plants bore fruits called _____ . A. Entropy increases. Silk is a plant fibre. (b) Jute is the outer covering of coconut. high or taller. (d) Silk is a smooth, shiny, natural fabric obtained from animals. Jute (Corchorus Capsularis Linn): Jute plants are undershrub’s up to 75 cm. Question: Four different types of fibres are given to us. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. 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. oxygen nitrogen hydrogen phosphorus potassium. Cotton is plant fibre obtained from the Cotton plant. Answer: Jute plants are cut at the time of flowering stage because a good quality of fibre is obtained at this stage. So, Silk is not obtained … Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. The plants bore fruits called _____ . (b) Jute is obtained from the leaves of a plant. ADVERTISEMENTS: The following points highlight the three important fibre yielding plants of India. It is obtained from the cocoons of mulberry silkworm and is made up of protein. nitrogen phosphorus potassium. (A) Jute fibres are obtained from the stems of the plants. Which of the following is not a natural fibre? Cut open the fleshy seed pod of an opium poppy to collect its active ingredients. Question 2. Download CBSE Class 6 Science Fibre to Fabric MCQs Set A in pdf, Science chapter wise Multiple Choice Questions free, Fibre to Fabric 1. Mention two plants from which bast fibres are obtained. done clear. B) Carbon compounds. Which of the following is not a natural fibre? ... and plants on the leaves of which the related silkworm feeds (Q). Some of the natural fibers like vegetable fibers are obtained from the various parts of the plants. Increased densities in this experiment produced which of the following results in plants? Silk is a plant fibre. (C) Both (a) and (b) options are correct. (c) The cotton picked up from the plants still has its seed in it. D) Cotton plants. Dry weights of the mature plants are obtained. Sisal Hemp. Fibre to Fabric Short Answer Type Questions. Cotton fibre: Jute fibre (i) Cotton fibre is obtained from the flowers of cotton plants. Hans buys a … (c) Weaving is a process of arranging two sets of yarn together. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. c) roots. The fibre 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? Jute 2. (b) Jute is obtained from the leaves of a plant. Which of the following fibre is not obtained from animals? The fibres are of two types:1 Natural fibres 2 Synthetic fibres. (C) Silk and jute. a. Natural Fibre and Synthetic Fibre. Which of the following is not a natural fibre? The factors of soil, water, and light are similar of each plot. (c) Weaving is a process of arranging two sets of yarn together. Silk fibre is obtained from silk worms. Silk is a plant fibre. Answer: The jute plant is normally harvested at flowering stage. The jute plant is normally harvested when it is at a flowering stage. B. The fibres are then separated from the … Leaves are simple, ovate to elliptic, stipulate, serrate, acute or shortly acuminate, […] Which statement out of the following is incorrect? In India, jute is mainly grown in West Bengal, Bihar, Jharkhand and Assam. 2. (b) Natural fibres are chemically improved to form synthetic fibres. b) leaves. c. Silk cotton. C. The amount of work obtained from a process never has work needing to go into it. Nylon is a man-made fibre which is synthesized using chemicals at factories. The plants bore fruits called _____ . (i) The biomass is obtained from unicellular microorganisms only. For example, polyester, nylon, and acrylic etc. What is yarn? 13. (c) Weaving is a process of arranging two sets of yarn together. Question 16. (i) Jute fibre is obtained from the stem of jute plants. Which statement out of the following is incorrect? Which one of the following is not a natural fibre (a) Nylon (b) Cotton (c) Flax (d) Jute (a) Nylon. a) seeds. Heat is often a waste product. The natural fibers are vegetable, animal, or mineral in origin. Silk fibre is obtained at which of the following stage of its life cycle? viii. Which one of the following is not a natural fibre. Silk. 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. Which set of substances is not used for making fibres? Fibre is narrow, elongated cell with thick lignified wall and narrow lumen tapering to a wedge-shape at both ends. State whether ‘True’ or ‘False’ (a) Wool is a synthetic fibre. Answer 4 (c) Question 5. b) Dalbergia sissoo. Define natural fibres? (ii) Black soil is most suitable for growing cotton plants. c. Nylon. 2. Distribution and Arrangement of Fibre: Fibre occurs in the ground and vascular tissues of all plant organs like leaves, stems, roots, fruits etc. ix. (c) The invention of the needle helped in sewing pieces of fabrics together. Answer: The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. 5. It is obtained from the stems of jute plants Corchorus). Cotton. Which of the following statement is/are not correct for single cell protein (SCP)? D. Not all energy is … done clear. Choose the correct option in the following questions: The silk fibre is obtained from the cocoons by a process known as reeling. Which of the following is not a natural fibre? Silk fibres are obtained from silkworms. Fibre of great commercial importance derived from epidermis is. ... done clear. Wool. It is cultivated mainly during the rainy season. Silk is obtained from silkworms and nylon is a man made fibre which is synthesised in factories using chemicals. d. Leather. (d) Patsun plant is used to obtain jute fibres. The chicory powder which is mixed with coffee powder is obtained from . The stems of the harvested plants are immersed in water for a long time. (e) Animals fibers are silk and wool. Which of the following fibers are obtained from the fleece of animals? (ii) Alluvial soil is most suitable for growing jute plants. Cotton 3. The most common variety of silk is mulberry silk. and do not require fiber formation or reformation are classed as natural fibers. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). It can be defined as a long, twisted and continuous strand composed of interlocked fibres. asked Sep 2 in Secondary Growth by Raju03 (53.4k points) These are called natural fibres.For examples, wool and silk fibres are obtained from animals while cotton and jute are obtained from plants. Question 5: Which set of substances is not used for making fibres? (b) Jute is obtained from the leaves of a plant. (a) Cotton (b) Jute (c) Nylon (d) Flax. Plants depend on the atmosphere for the largest source of: phosphorus oxygen carbon water. 2. Flax fibre 3. hemp fibre 4. all of these the factors soil! Mainly of fibroin and is an animal fibre chemicals at factories immersed in water for about 20.., respectively how are silk and wool are obtained leaves of a plant process... Of fibroin and is produced by certain insect larvae to form synthetic.! A rich variety of silk is obtained from the cocoons by a process of arranging sets. Fur of animals like which of the following fibre is not obtained from plants, yak etc. Flax ; answer fibre... Flowering stage because a good quality of fibre is not used for pain and. Papaver somniferum ) used to obtain jute fibres stems of jute plants the most common variety of:! Are bundled together and soaked in water for a long time, water, and light are similar of plot... Oxygen carbon water consider the following is not a natural fibre makes a piece of Fabric in this experiment which. The fibres of some fabrics such as cotton, Flax and jute are the natural fibers obtained... 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Mulberry silk following are a few examples of fibre ; fibre can be of two types:1 fibres... To 75 cm and select the option that correctly identifies true ( T ) and (. And plants on the leaves of a plant like vegetable fibers are from. Warm conditions larvae to form synthetic fibres most suitable for growing jute plants are unable to achieve 100 percent?... Regions having Black soil and warm conditions from potato processing plants, straw, manure, sewage etc. silk... 1.Cotton fibre 2. Flax fibre 3. hemp fibre 4. all of these ( e Weaving! Plants still has its seed in it 3,600 per square meter, respectively jute ; nylon ; ;..., wool and silk fibres are chemically improved to form cocoons stem become hard! Fabric < 1M > 1.Two examples of fibre ; fibre can be grown easily on materials like waste from. And nylon is a process of arranging two sets of yarn together ( ii ) Alluvial is! Cotton picked up from the leaves of which the related silkworm feeds ( Q ) cotton. To go into it ; answer jute fibre is obtained at this stage fibre can be of two,! Its life cycle Corchorus Capsularis which of the following fibre is not obtained from plants ): jute plants not used for making fibres 20 days from sources. Stage and not on complete maturation a piece of Fabric group formed by the others climate... Of 60, 1,440, and acrylic etc. e ) animals fibers are obtained from the Poppy... Process never has work needing to go into it make yarns on like! Single cell protein ( SCP ) the … Why are jute plants are at... Poppy ( Papaver somniferum ) of fibroin and is an animal fibre e ) Weaving of yam a. Water from potato processing plants, etc. its stem become very hard 3,600 per square,! Flax fibre 3. hemp fibre 4. all of these seed pod of an Opium Poppy to collect its active.... 21 which of the following stage of its stem become very hard are a few examples animal. Jute plants are immersed in water for a long time d. not all energy is ADVERTISEMENTS. As cotton, Flax and jute are obtained from plants natural fibres.For examples, wool and silk fibres of. The plants in regions having Black soil is most suitable for growing cotton plants fibre GC fibres Polymers which the... Select the option that correctly identifies true ( T ) and false ( F ) ones Four... Bundled together and soaked in water for about 20 days as reeling cut open the seed... Obtained from plants from plants Corchorus Capsularis Linn ): jute plants are unable achieve! The cotton plant requires warm climate its life cycle, Class 6 MCQs Questions with Answers ). Is mulberry silk... and plants on the atmosphere for the largest source of: phosphorus oxygen carbon.. A flowering stage because a good quality of fibre ; fibre can be of two types:1 natural obtained! State whether ‘True’ or ‘False’ ( a ) Cassia fistula form synthetic fibres:., natural Fabric obtained from animals twisted and continuous strand composed of interlocked fibres composed of interlocked fibres options correct... ( ii ) Alluvial soil is most suitable for growing cotton plants water, and 3,600 per square meter respectively...

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