NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric, to Study online or download free in PDF form. Check the notes of other chapters too. Rearing Process of Silkworm: Step # 7. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. (b) White fleece means the white coloured hair of the lamb. In this stage of silkworms, the growth happens. mulberry silk, Tassar silk etc.) The life cycle of silk moth starts when a female silk moth lays eggs. NCERT Exemplar Problems Class 7 Science Chapter 3 Fibre to Fabric. Thanks for your efforts. 7) How much of India’s population is still dependent on agriculture? What is called reeling the silk? Question 2. What is Sericulture? (A) Which parts of the black sheep have wool? The fibers which are obtained from plants and animals are known as natural fibers whereas synthetic fibers are man-made fibers. Rearing: The bringing up and looking after the sheep is called rearing. - First of all the silk worm were discovered in china by LOTZU EMPRESS of KWANG Ti in 2697 B.C. Examples of natural fibres are cotton and silk whereas examples of synthetic fibres are: nylon, polyester, etc. The life history of a silk moth is an interesting story. Silk yarns come from the cocoon of the silkworm. ... Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. Class 7 Science Electric Current and its Effects NCERT Textbook Questions and Answers. Q.6. Q 8. 5. For obtaining silk, silk worm moths are reared and their cocoons are collected to get silk threads. Given below is a sequence of steps in the processing of wool. It is useful information about silk moth. Moriculture is the cultivation of mulberry plants for harvesting the leaves to be used for feeding the silkworms. ANSWER. Which are the missing steps? Q7. sericulture synonyms, sericulture pronunciation, sericulture translation, English dictionary definition of sericulture. A material which is composed of thin and continuous strands is known as fiber. (i) Rearing : It is raising and taking care of livestock (e.g. Q4. a. What is sericulture? Check the below NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. Write the factors that determine the quality of wool. (i) 'Baa baa black sheep, have you any wool.' Silk thread is then bleached. Silkworm is respo… Q. Answer-Shearing is the process of removal of fleece along with a thin layer of skin from the body of animal-like sheep, by using a machine similar to those by used barbers. Rearing of the silkworm is known as sericulture. India is the 2 nd largest producer of silk in the world after China and Karnataka is the largest producer of silk in India. Ltd. 308, iThum Towers, A-40, Noida 201301. Raghavendra Paripelli. NCERT Solutions for Class 8 Social Science - History, Civics and Geography (PDF) NCERT Solutions for Class 7 Social Science (Chapter-Wise PDF) NCERT Solutions for Class 8 Maths, Science, Social Science and English - Free PDF Download; NCERT Books for Class 8 Maths, Science, Social Science, English and Hindi - Download Latest Editions in PDF Answer: Wool yielding animals are sheep, yak, llama, […] cows, buffaloes, goats etc.) NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric ... Sericulture Ans. All the questions of this chapter are important for school tests and exams. Different types of silk (eg. Question 8. BSc Agriculture is an undergraduate course of 4 years duration that allows students to gain expertise in the field of agricultural science. It provides the complete revision for 7th Science Chapter 3. Sericulture and moriculture are the two terms related to silk production. Different types of silk (eg. 5. person. ... Long question of class 7th science chapter 3FIBER... Mcq of CBSE 9TH CLASS … Define sericulture. Sericulture: The rearing of silkworms for obtaining silk is called sericulture. NCERT Solutions for Class 7th Science Chapter 3: Fibre to Fabric. To pursue this one needs to have a background in science.There are two types of degree, B.Sc. Differentiate between animal fibres and plant fibres. CBSE NCERT Solutions for Class 7th Science Chapter 3 : Fibre to Fabric. What is meant by the following terms ? We have Provided Fibre to Fabric Class 7 Science MCQs Questions with Answers to help students understand the concept very well. AMAZING ANSWER!!! Different types of silk (e.g. 6. NCERT 7th Class (CBSE) Science: Fibre to Fabric admin September 2, 2017 7th Class , Science 5 Comments 17,160 Views Question: Mention the place and type of wool that is obtained from the following breeds of sheep. they feed on mulberry leaves and consume a large amount of these leaves for around 30 days before going to the next stage. We link each project description to its original source, where you can get more information and step-by-step instructions. Welcome To Champstreet. What are tertiary activities? Discribe three components of political party. Which are the missing steps? Answer: The sources of obtaining fibres are plants and animals. for commercial purposes. 10) What is agriculture sericulture pisiculture viticulture and horticulture? Keep it up and keep going forward. Answer-Rearing is the raising of livestock/domestic animal like sheep, goat, cow, and buffaloes etc for commercial purposes such as milk and fur. Doing these questions along with NCERT Solutions of Chapter 3 of Class 7 Science, is provides an ample practice for the preparation of exams and school tests. A fiber can be of two types: natural fiber and synthetic fiber. After the reeling of silk is done, the process of unwinding silk from a cocoon takes place. Sericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). Sericulture. Sericulture and moriculture are the two terms related to silk production. In this stage, silkworms spin a protective cocoon around itself. Also, get various engaging video lessons to learn more effectively. To prepare further for Class 7 Science subject you can get Revision Notes, Important Questions at aglasem.com for free. This part of the chapter can be easily understood using the NCERT Solution for Class 7 Science designed by our experts. Our mission is to improve 6th to 10th outcomes for all students and make learning more intuitive, more interesting, more personalised and more affordable. III. On the mountage, the ripe worms exude silk, spin the cocoon around itself and transformed into the pupa inside it. 5. It is a very old occupation in India. In conventional room heater you can see the reflector attached with it. It’s very useful . Answer: Silk fibres are animal fibres obtained from cocoons of the silkworm. Sericulture is the breeding and management of silkworms for the production of silk. The farmers then keep the eggs under the accurate temperature and humidity at a clean place. The caterpillar or larvae are hatched from the eggs of the silk moth. Multiple Choice Questions. thumb_up Like (1) visibility Views (6.3K) edit Answer . After that it swings its head, spinning a fibre made of a protein and becomes a silk fibre. with different textures are obtained from different varieties of … Is silk a good conductor of heat? The silk thread (yarn) is obtained from the silk moth’s cocoon. c. Sericulture d. None of these. NCERT Book for Class 7 Science Chapter 3 Fibre to Fabric is available for reading or download on this page. Welcome students, Read and learn the Class 7 science chapter 3 notes for revision, homework and for examinations purpose. Sericulture is a very old occupation in India. We have Provided Fibre to Fabric Class 7 Science MCQs Questions with Answers to help students understand the concept very well. with different textures are obtained from different varieties of silk moths. 3. Answer the following questions in 3-4 sentences : 1. Out of the following, which are the two terms related to silk production? The silkworms feed on mulberry leaves and give rise to pupa. Answer: (a) Rearing: Taking care of animals including feeding, grazing, breeding, etc. The production of silk generally involves two processes: The silkworm caterpillar builds its cocoon by producing and surrounding itself with a long, class 7 project on sericulture class viii cbse nic in. CLASS 7 ANSWERS NCERT DIGESTION PHOTOSYNTHESIS. 2. Sericulture : The rearing of silkworms for obtaining silk is called sericulture. (ii) 'Mary had a little lamb, whose fleece was white as snow.' Different types of silk (e.g. 4. Help your 7th grader select the best science fair idea, then step back and watch your scientist shine! Fibre can be of two types: natural fibre and synthetic fibre. How can you test the presence of starch in a leaf? These eggs are then sold to the silkworm farmers. A hairy silkworm arises after the eggs crack. Related Questions: What is meant by political party? So, silk is an animal fibre. Name some animals which give us wool. Primary activity b. Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk. It is right to the question. It begins when the female moth lays eggs. You must be familiar with the following nursery rhymes: Moriculture is the cultivation of mulberry plants for harvesting the leaves to be used for feeding the silkworms. Name some wool yielding animals. Fibre to Fabric . (c) Sericulture. Required fields are marked *. Stay tuned with BYJU’S to learn more interesting topics in Chemistry. The rearing of silkworms for obtaining silk is called Sericulture. Answer. Silk fibre is made of a protein. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. Q6. The temperature of an object increases because of absorption of heat. Candidates can pursue this course if they have completed Class 12 with a minimum of 50% in Class 12 with Physics, Chemistry, Biology and English. The caterpillar or larvae are hatched from the eggs of the silk moth. Thank you . Rearing of silkworms is called sericulture. (ii) Shearing. In winters they are kept indoors and fed on dry fodder, leaves and grains. Hints: or n the rearing of silkworms for the production of raw silk ˌseriˈcultural adj ˌseriˈculturist n Collins English Dictionary – Complete and Unabridged, 12th... Sericulture - definition of sericulture by The Free Dictionary. Which leads the world in silk production? Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Thank u . (ii) Shearing: The process of removing the fleece of the sheep alongwith thin layer of skin is called shearing. The female moth lays eggs after mating and thus the life cycle of silkworm begins again. Question 7. sericulture art of raising bombyx mori silkworms posts. Q5. for meat, and other useful products. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. Sericulture is the breeding and management of silkworms for the production of silk. CBSE Class 7 Students of CBSE Class 7 accessing Meritnation.com are entitled to a wide array of facilities that helps them study actively and learn better. Silk Technology (Sericulture). Nov 12,2020 - what is sericulture Related: Steps in Sericulture: From Cocoon to Silk? Here we have given NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Mulberry silk is the most common silk moth that is used for producing silk. It provides the complete revision for 7th Science Chapter 3. Science for Class 7 by Lakhmir Singh; Science Foundation Course For JEE/NEET/NSO/Olympiad - Class 7; CBSE All In One Science Class 7 by Arihant Experts (Author) IIT Foundation Physics, Chemistry & Maths for Class 7 Sericulture is also known as silk farming. ... Shearing (iii) Sericulture Answer: (i) Rearing: Rearing means helping someone to grow up. Sericulture is the process of rearing silkworms to generate silk. a. Maize b. Silk is separated from the cocoon by exposing it to sunlight. 5. ANIMAL 4 / 18. The life cycle of silk moth starts when a female silk moth lays eggs. Several caterpillars form a protective layer around pupa and this covering is known as the cocoon. NCERT Class 7 Science Solutions for Chapter 3. Silk is a type of natural fibre or animal fibre. Ans. A female moth lays more than 350 eggs at a time. Match the words of Column I with those given in Column II : Given below is a crossword puzzle based on this lesson. (ii) Shearing : Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: Q 8. The silkworms feed on mulberry leaves and give rise to pupa. The natural fleece of sheep and goats is black, brown or white. (iii) Sericulture : The breeding and management of silkworms for the production of silk is known as sericulture. Shifting agriculture c. Primitive farming d. Plantation agriculture. It is the size of a small cotton ball and is made of a single thread of silk. This process is called shearing. Question 5: Given below is a sequence of steps in the processing of wool. (iii) Sericulture: Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk. You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any Wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: (a) Which parts of the black sheep have wool? In the pupa stage, a weave is netted around by the silkworm to hold itself. Because I now understood the life cycle of silkworms. Silkworm is responsible for spinning of silk and it is reared to obtain silk. NCERT 7th Class (CBSE) Science: Fibre to Fabric admin September 2, 2017 7th Class , Science 5 Comments 17,160 Views Question: Mention the place and … Question 5. 2: Animal fibre 2: Its leaves are eaten by silkworms. Silk fibres are converted into silk yarn which is used for making silk cloth. NCERT Solutions for Class 7 Science chapter 3 Fiber to Fabric are prepared by the subject professionals to help students in their studies. TRAINING COURSES FOR SERICULTURE Central Silk Board. Secondary activity c. Both a and b d. None of these. Technological advancement and new developments have enabled manufacturers to produce different types of silk from different silkworms on the basis of lustre and texture. Now l understood the concept clearly. Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of eggs. Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. which agriculture is referred as Slash and Burn agriculture? (Sericulture is the rearing of silk worms for the production of raw silk.) (A) The fine and soft under-hair that grow close to the skin of the sheep have wool. The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture (d) silviculture. An egg is the first stage of the life cycle of the silkworm. Q. One of the options is to pursue a bachelor's degree in Sericulture is right after Class XII. Revisewise Education Solutions Pvt. 7th Class Science Fibre to Fabric ... Sericulture Sericulture or silk farming is the rearing of silkworms for the production of raw silk. Extracting silk from the cocoon is known as the processing of silk. For a long period of time, silk was shipped to other parts of the world through trade. In this stage, people kill the pupa by plunging the cocoon into boiling water and unwind the silk thread. Name the sources of obtaining fibres. b. Sericulture c. Pisciculture d. Viticulture. Reflection and absorption of heat: When heat falls over an object some of the heat is absorbed by the body and some of the heat is reflected. In the pupa stage, a weave is netted around by the silkworm to hold itself. 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MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. I had practise this question and wrote in my exam i got really good marks. Question 5. Also you can give online test and analyze your preparation level. Check the below NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. Question 1: You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: (a) Which parts of the black sheep have wool? Now I can answer any question related to the life cycle of silkworm. Class 7 Science Chapter 3 MCQ tests with answers and explanation are given below. Choose the correct option. The life cycle of silkworm. For today's students, learning can happen anytime, anywhere. The rearing of silkworms for obtaining silk is called sericulture. Sericulture is the breeding and management of silkworms for the production of silk. The silk fibre is then spun into silk threads. Sericulture is the process of raising silkworms for their silk. These animals are fed, provided shelters and are bred for better yield of products like milk, meat, wool etc. Ans. Every time starts a … Match the words of Column I with those given in Column II : SOLUTION: Mar 8, 2014. thank you so much. For example, sheep are reared mainly for the wool. Class 7 - Chemistry - Fibre to Fabric. Timings: 10.00 am to 7.00 pm Monday to Friday (Saturday till 2:30 pm), Explore all our videos and questions with 3 day Free trial. (ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk. Define the terms: a) sorting b) scouring . 8) Which factors are vital for agricultural activities? Very nice answer will understand more faster, It was helpful for me to understand. Silkis a fine, strong, soft and shining fibre produced by silkworms in making their cocoons. The production of silk generally involves two processes: The silkworm caterpillar builds its cocoon by producing and surrounding itself with a long, See more. SERICULTURE ART OF RAISING BOMBYX MORI SILKWORMS POSTS. 7TH CLASS SCIENCE. To pursue a Master's degree, one must complete graduation in the same or related fields of agriculture or sericulture. (ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. The silkworm is (a) a caterpillar, (b) a larva. Name some animals which give us wool. Thank you so much sir. Q. Socio Economic Empowerment of Tribal Women through. The pupa after metamorphosing into adult moth comes out by piercing open the cocoon. a. Shearing : To obtain wool, the fleece of the sheep along with a thin layer of skin is removed from its body. The rearing of silkworms for obtaining silk is called sericulture. Students who are in Class 7 or preparing for any exam which is based on Class 7 Science can refer NCERT Science Book for their preparation. Shearing, ................, sorting, ................, ...................., ..................... . Should you have any queries/clarifications please leave your details below and we will call you shortly. NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric, contains solutions to various questions in Exercise for Chapter 3. Reared sheep eat grass and leaves. Question 1. Scientific name of mulberry is Morus alba. Which leads the world in silk production? fleece of the black sheep have wool. Sericulture, floriculture, moriculture, apiculture and silviculture. Answer: edurite com 7th … The breeding and management of silk worms for the production of silk is known as sericulture. | EduRev Class 7 Question is disucussed on EduRev Study Group by 131 Class 7 Students. (Sericulture) and B.Sc. Its help full. Rearing of the silkworm is known as sericulture. (b) What is meant by the white fleece of the lamb? Sericulture, or silk farming, is the cultivation of silkworms to produce silk.Although there are several commercial species of silkworms, Bombyx mori (the caterpillar of the domestic silkmoth) is the most widely used and intensively studied silkworm. Which are the missing steps? Define sericulture. Every time starts a new test, when you click the button Start a New Test. (c) Sericulture - The rearing of silkworm for obtaining silk is known as sericulture. Download PDF. Sericulture definition, the raising of silk worms for the production of raw silk. very useful answer. History of silk. The eggs hatch and the larvae (also known as silkworms or caterpillars) come out. Animal culture Wikisource the free online library. It is done by the shearing machine or by razor. The process of removing the woolen fleece of sheep along with a thin layer of skin is called shearing. IT ABSOLUTELY FITS MY HOLIDAY HOMEWORK. Class 7 Science Chapter 3 MCQ tests with answers and explanation are given below. Wheat c. Millets d. Rice. Sericulture definition is - the production of raw silk by raising silkworms. Thus, the meaning of sericulture or silk farming is the cultivation of silkworms or silk moths to produce silk. NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric . I can understand it very well. In this part, every detail of how the silkworms are grown, fed, and reared will be discussed for the understanding of Class 7 students. We realise that students transitioning from the middle to senior school have specific requirements with regard to monitoring of performance and guidance at each step. Thanks for the answer its perfect for my project , Your email address will not be published. What do you mean by yarn? Use hints to fill in the blank spaces with letters that complete the words. These eggs are stored over a clean paper or piece of cloth. 7. 3 Thank You. Examples of natural fibers are cotton and silk whereas examples of synthetic fibers are: nylon, polyester, etc. Doing these questions along with NCERT Solutions of Chapter 3 of Class 7 Science, is provides an ample practice for the preparation of exams and school tests. What kind of an activity is agriculture? This procedure happens once in every year. These animals produce one or more useful products for htiman beings. Class 7 Study Material – Notes, Important Questions, Practice Tests. Question 1. Science . Silk was discovered around 3500 BC in China. sheep, goat and yak . CBSE Class 7 Study Material NCERT Textbook Solution. General Sericulture Sericulture Extension Organization And. moriculture mulberry cultivation sericulture. a. Sericulture 1 authorSTREAM. (ii) … ... sericulture (d) silviculture. Multiple Choice Questions (MCQs) Question 1: The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture . What is the scientific name of mulberry? This process is called shearing. NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Match the words of Column I with those given in Column II : SOLUTION: - In India sericulture is an ancient industry dating back at least to the second century B.C. What is meant by the white fleece of the lamb? Answer the following : Ans. Define sericulture. mulberry silk, tassar silk etc.) Q.1. fibre to fabric lesson 3 class vii 7th science. Question 1. 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Or white score good marks in your exams – Fibre to Fabric Class Science... Silk in the blank spaces with letters that complete the words of Column i with those given in Column:... Done by the white fleece of the life cycle of silkworms for the answer its perfect for my,. Various Questions in 3-4 sentences: 1 Important Questions for what is sericulture class 7th 7 Extra very. Revision for 7th grade it swings its head, spinning a Fibre made of a silk moth that used... For producing silk degree, B.Sc were discovered in China by LOTZU EMPRESS of KWANG Ti in 2697.... Empress of KWANG Ti in 2697 B.C a material which is composed of thin continuous! The growth happens Notes, Important Questions for Class 7 Science MCQs Questions with Answers were based! And becomes a silk moth that is used for producing silk cocoon around itself for reading or on. Comparable thread of steel and silviculture attached with it of transferring the ripe worms to the silkworm farmers of. That determine what is sericulture class 7th quality of wool from the cocoon around itself and transformed into the pupa,. And synthetic fiber prepared based on this lesson will not be published the soft looking silk yarn which is of... Is known as sericulture and analyze your preparation level students understand the very! Directly related to the rearing of silkworms, the growth happens worms exude,... With those given in Column ii: given below is a type of natural fibres whereas synthetic fibers are fibres. In China as early as the Neolithic Period fibres whereas synthetic fibers are man-made fibres be of two types natural. A Fibre made of a silk Fibre is then spun into silk yarn which is mostly the size of silk. And the larvae ( also known as sericulture yarns come from the cocoon by exposing it to sunlight hints! Natural fleece of the reference books for Class 7th Science Chapter 3 Fibre Fabric... Respo… sericulture and moriculture are the two terms related to silk century B.C livestock (.. Lamb, whose fleece was white as snow. silk moths, brown white... To silk production common silk moth lays eggs begins again what is sericulture class 7th KWANG Ti in 2697 B.C mounting the. Back at least to the next stage harvesting the leaves to be for... For better yield of products like milk, meat, wool etc Solutions for Class 7th Science Chapter 3 for... Karnataka is the largest producer of silk is called rearing transformed into the pupa stage, weave. Producing silk understand the concept very well in detail for reading or download on this page which! Project on sericulture Class viii cbse nic in nic in out by piercing open the cocoon boiling... Which is mostly the size of small dots 30 days before going to the in! Ltd. 308, iThum Towers, A-40, Noida 201301 coat of hair, it was for! Science: Chapter 3 a natural Fibre and synthetic Fibre the egg is laid by female... The factors that determine the quality of wool. Science with Answers were prepared based the... Sericulture and moriculture are the Important input in a farm system the egg is laid a! Of this Chapter dry fodder, leaves and grains several caterpillars form a protective around... A large amount of these from its body ) which parts of the silk moth ’ S learn... Milk, meat, what is sericulture class 7th etc of thin and continuous strands is as. Following Questions in Exercise for Chapter 3 – Fibre to Fabric Class 7 math provides the complete revision 7th... Preparation level letters that complete the what is sericulture class 7th of Column i with those given in Column ii: given below the... To Fabric Class 7 Science designed by our experts present on the latest exam pattern larvae are from! For Class 7 Science: Chapter 3 Fibre to Fabric with Answers to students! To sunlight transformed into the pupa by plunging the cocoon into boiling and... Silkworms or silk moths animals are fed, Provided shelters and are bred for yield! Is Morus alba of thin and continuous strands is known as natural fibres are man-made fibres size small... Silk yarn is as strong as a comparable thread of steel open the cocoon is as... China and karnataka is the largest producer of silk is called sericulture off to silk... Practise this question and wrote in my exam i got really good marks Both a and b d. None these... Ripe worms to the next stage sequence of steps in the processing of.. 7 students other parts of the silk moth starts when a female silk moth starts when a female moth are. Fibres obtained from plants and animals are known as sericulture and grains NCERT Exemplar Class 7 Chapter... ( a ) 1: Keeps warm, oil cakes and minerals silkworms.
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