Different types of silk (e.g. Class 7 Study Material – Notes, Important Questions, Practice Tests. NCERT Class 7 Science Solutions for Chapter 3. Q. Sericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). Visit http://www.meritnation.com for more videos for your class! 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. (ii) Shearing: The process of removing the fleece of the sheep alongwith thin layer of skin is called shearing. mulberry silk, Tassar silk, etc.) Q8. The fibres which are obtained from plants and animals are known as natural fibres whereas synthetic fibres are man-made fibres. Different types of silk (eg. This process is called shearing. sericulture art of raising bombyx mori silkworms posts. mulberry silk, tassar silk etc.) CULTURE WIKISOURCE THE FREE ONLINE LIBRARY Talk Sericulture Wikipedia May 12th, 2018 - Talk Sericulture This article is This article has been rated as Start Class on … NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. 3 Thank You. Name some animals which give us wool. Technological advancement and new developments have enabled manufacturers to produce different types of silk from different silkworms on the basis of lustre and texture. What is called reeling the silk? Match the words of Column I with those given in Column II : SOLUTION: Which leads the world in silk production? Mulberry silk is the most common silk moth that is used for producing silk. Ans. sheep, goat and yak . The pupa after metamorphosing into adult moth comes out by piercing open the cocoon. The process of removing the woolen fleece of sheep along with a thin layer of skin is called shearing. (Sericulture) and B.Sc. Examples of natural fibers are cotton and silk whereas examples of synthetic fibers are: nylon, polyester, etc. Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk. They are also fed on a mixture of pulses, corn, jowar, oil cakes and minerals. Because I now understood the life cycle of silkworms. person. (Sericulture is the rearing of silk worms for the production of raw silk.) Class 7 Science Electric Current and its Effects NCERT Textbook Questions and Answers. What is meant by the white fleece of the lamb? This procedure happens once in every year. Answer 7: Sericulture and moriculture. Ltd. 308, iThum Towers, A-40, Noida 201301. I can understand it very well. Question 5. Different types of silk (e.g. sericulture synonyms, sericulture pronunciation, sericulture translation, English dictionary definition of sericulture. Stay tuned with BYJU’S to learn more interesting topics in Chemistry. It is useful information about silk moth. Fibre to Fabric . The rearing of silkworms for obtaining silk is called sericulture. Primary activity b. Sericulture and moriculture are the two terms related to silk production. Silk was discovered around 3500 BC in China. Science . a. Mounting: Mounting is the process of transferring the ripe worms to the mountages. Answer: In Class 7 Science Chapter 3 Extra Questions, all the keywords are covered in the form of questions and explanation of 7th standard science. Every time starts a new test, when you click the button Start a New Test. Sericulture 1 authorSTREAM. Question 5. Sericulture : The rearing of silkworms for obtaining silk is called sericulture. A material which is composed of thin and continuous strands is known as fibre. 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 … Which are the missing steps? (iii) Sericulture : The breeding and management of silkworms for the production of silk is known as sericulture. Shearing, Scouring, Sorting, Carding, Fibre dyeing, Spinning. (ii) … Q. Q7. Our notes of Chapter 3 Fibre to Fabric are prepared by Maths experts in an easy to remember format, covering all syllabus of CBSE, KVPY, NTSE, Olympiads, NCERT & other Competitive Exams. The fibers which are obtained from plants and animals are known as natural fibers whereas synthetic fibers are man-made fibers. a. For easy access, we at BYJU’S provide free class 7 Science Chapter 3 NCERT solutions in PDF format. moriculture mulberry cultivation sericulture. Different types of silk (eg. What is the science of commercial rearing of silk worms called? Rearing of silkworms is called sericulture. These eggs are stored over a clean paper or piece of cloth. Silk was believed to have first been produced in China as early as the Neolithic Period. This part of the chapter can be easily understood using the NCERT Solution for Class 7 Science designed by our experts. The life cycle of silkworm. These eggs are then sold to the silkworm farmers. After that it swings its head, spinning a fibre made of a protein and becomes a silk fibre. The life cycle of silk moth starts when a female silk moth lays eggs. (ii) 'Mary had a little lamb, whose fleece was white as snow.' Intensive farming b. NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric . Sericulture is the breeding and management of silkworms for the production of silk. In the pupa stage, a weave is netted around by the silkworm to hold itself. (b) Shearing: The removal of wool from the sheep is called shearing. iii) Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. They are usually reared in areas with low rainfall. (i) 'Baa baa black sheep, have you any wool.' Report ; Posted by Sujuka Chetry 2 years, 7 months ago. In this stage, silkworms spin a protective cocoon around itself. fibre to fabric lesson 3 class vii 7th science. The silk fibre is then spun into silk threads. Multiple Choice Questions (MCQs) Question 1: The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture . Answer the following : Check the below NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. Every time starts a … 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. Shearing : To obtain wool, the fleece of the sheep along with a thin layer of skin is removed from its body. 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. Q 8. (ii) Shearing. General Sericulture Sericulture Extension Organization And. Shearing, ................, sorting, ................, ...................., ..................... . Sericulture is a very old occupation in India. 7TH CLASS SCIENCE. We have Provided Fibre to Fabric Class 7 Science MCQs Questions with Answers to help students understand the concept very well. What are tertiary activities? for meat, and other useful products. The caterpillar or larvae are hatched from the eggs of the silk moth. 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? Revisewise Education Solutions Pvt. Silk is a natural fibre which is obtained from an insect (called silk moth). class 7 project on sericulture class viii cbse nic in. Hints: Rearing Process of Silkworm: Step # 7. Socio Economic Empowerment of Tribal Women through. Silk thread is then bleached. IT ABSOLUTELY FITS MY HOLIDAY HOMEWORK. Very nice answer will understand more faster, It was helpful for me to understand. with different textures are obtained from different varieties of … Thanks for your efforts. Q5. 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: Sericulture is also known as silk farming. After attempting 3 or 4 tests out of these 20 tests, you will feel confident about this chapter. Thank u very much. Silkworm is responsible for spinning of silk and it is reared to obtain silk. After the reeling of silk is done, the process of unwinding silk from a cocoon takes place. Choose the correct option. Thanks for the answer its perfect for my project , Your email address will not be published. Now l understood the concept clearly. 7th Class Science Fibre to Fabric ... Sericulture Sericulture or silk farming is the rearing of silkworms for the production of raw silk. Answer-Rearing is the raising of livestock/domestic animal like sheep, goat, cow, and buffaloes etc for commercial purposes such as milk and fur. Down Across (D) 1: Thorough washing (A) 1: Keeps warm. ... Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. 5. The eggs hatch and the larvae (also known as silkworms or caterpillars) come out. What is the scientific name of mulberry? 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? Sericulture; Answer: 1. Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms. A female moth lays more than 350 eggs at a time. What is sericulture? The life history of a silk moth is an interesting story. Thank you . Sericulture definition is - the production of raw silk by raising silkworms. Syeda. CLASS 7 ANSWERS NCERT DIGESTION PHOTOSYNTHESIS. 3. All the questions of this chapter are important for school tests and exams. For obtaining silk, silk worm moths are reared and their cocoons are collected to get silk threads. Silk is a type of natural fiber or animal fiber. It really help me in my exam. Get NCERT Solutions for Class 7 Science: Chapter 3 Fibre to Fabric. very useful answer. Welcome To Champstreet. Class 7 - Chemistry - Fibre to Fabric. NCERT Solutions for Class 7th Science Chapter 3: Fibre to Fabric. (i) Rearing (ii) Shearing (iii) Sericulture. Get Revision Notes of Class 7th Science Chapter 3 Fibre to Fabric to score good marks in your Exams. Q. 5. It is done by the shearing machine or by razor. TRAINING COURSES FOR SERICULTURE Central Silk Board. a. Horticulture b. Viticulture c. Sericulture d. None of these. - First of all the silk worm were discovered in china by LOTZU EMPRESS of KWANG Ti in 2697 B.C. In winters they are kept indoors and fed on dry fodder, leaves and grains. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. NCERT Exemplar Class 7 Science Chapter 3 Fibre to Fabric are part of NCERT Exemplar Class 7 Science. Question 7. for commercial purposes. Sericulture, floriculture, moriculture, apiculture and silviculture. For a long period of time, silk was shipped to other parts of the world through trade. 6. | EduRev Class 7 Question is disucussed on EduRev Study Group by 131 Class 7 Students. mulberry silk, Tassar silk etc.) Rearing of the silkworm is known as sericulture. The natural fleece of sheep and goats is black, brown or white. Thank you so much sir. 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. Related Questions: What is meant by political party? Q6. How can you test the presence of starch in a leaf? Sericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). 8) Which factors are vital for agricultural activities? The female moth lays eggs after mating and thus the life cycle of silkworm begins again. Question 5: Given below is a sequence of steps in the processing of wool. Also you can give online test and analyze your preparation level. 2. Match the words of Column I with those given in Column II : Given below is a crossword puzzle based on this lesson. (A) The fine and soft under-hair that grow close to the skin of the sheep have wool. 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 What is Sericulture? CBSE NCERT Solutions for Class 7th Science Chapter 3 : Fibre to Fabric. Question 2. We get silk fiber from silk-worm cocoons. 2. Q.5. Sericulture is the breeding and management of silkworms for the production of silk. Here we have given NCERT Exemplar Class 7 Science Solutions Chapter 3 Fibre to Fabric. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. Now I can answer any question related to the life cycle of silkworm. what is the Staple diet of tropical region? What is the scientific name of mulberry? 9) What is arable land? Q.1. NCERT Exemplar Problems Class 7 Science Chapter 3 Fibre to Fabric. NCERT Book for Class 7 Science Chapter 3 Fibre to Fabric is available for reading or download on this page. Silkis a fine, strong, soft and shining fibre produced by silkworms in making their cocoons. Given below are the links of some of the reference books for class 7 math. Use hints to fill in the blank spaces with letters that complete the words. The silk thread (yarn) is obtained from the silk moth’s cocoon. What is sericulture? Super Answer . (c) Sericulture. (iii) Sericulture: Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk. b. Sericulture c. Pisciculture d. Viticulture. Class-VI . Scientific name of mulberry is Morus alba. What do you mean by yarn? Write the factors that determine the quality of wool. Define sericulture. At the end of the Solutions, all the keywords and Notes which are important to understand NCERT Solutions for Class 7 Science Chapter 3- Fibre to Fabric, have been explained in a simple and easy to understand manner. Ans. Class 7 Important Questions for Science – Fibre to Fabric. Examples of natural fibres are cotton and silk whereas examples of synthetic fibres are: nylon, polyester, etc. Silk fibres are converted into silk yarn which is used for making silk cloth. Welcome students, Read and learn the Class 7 science chapter 3 notes for revision, homework and for examinations purpose. NCERT Solutions for Class 7 Science chapter 3 Fiber to Fabric are prepared by the subject professionals to help students in their studies. Multiple Choice Questions. Should you have any queries/clarifications please leave your details below and we will call you shortly. It is a very old occupation in India. 7) How much of India’s population is still dependent on agriculture? Ans. The life cycle of the silkworm is explained below in detail. 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. Sericulture is the process of rearing silkworms to generate silk. a. In this stage, the pupa changes into an adult moth. Question 1. sericulture synonyms, sericulture pronunciation, sericulture translation, English dictionary definition of sericulture. Name the sources of obtaining fibres. The temperature of an object increases because of absorption of heat. Download PDF. Silk Technology (Sericulture). 10) What is agriculture sericulture pisiculture viticulture and horticulture? Sericulture, floriculture, moriculture, apiculture and silviculture. Sericulture and moriculture are the two terms related to silk production. Name some wool yielding animals. Class VII Science Solutions NCERT ... Sericulture : The rearing of silkworms to obtain silk economically is called sericulture. Name some animals which give us wool. Moriculture is the cultivation of mulberry plants for harvesting the leaves to be used for feeding the silkworms. ANIMAL 4 / 18. Which are the missing steps? 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. 12) What are the operations that are involved in farming? CBSE CLASS 7 STUDY MATERIAL NCERT TEXTBOOK SOLUTION. Several caterpillars form a protective layer around pupa and this covering is known as the cocoon. Shifting agriculture c. Primitive farming d. Plantation agriculture. Class 7 Science Chapter 3 MCQ tests with answers and explanation are given below. What is meant by the following terms ? Class 7 Science Chapter 3 MCQ tests with answers and explanation are given below. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. 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. In the pupa stage, a weave is netted around by the silkworm to hold itself. Given below is a sequence of steps in the processing of wool. ... Long question of class 7th science chapter 3FIBER... Mcq of CBSE 9TH CLASS … See more. Silkworm is respo… with different textures are obtained from different varieties of silk moths. Give two differences between symbiotic plants and parasites. c. Sericulture d. None of these. Answer: Silk fibres are animal fibres obtained from cocoons of the silkworm. question_answer Answers(3) edit Answer . The silkworm is (A) a caterpillar, (B) a larva. Answer the following questions in 3-4 sentences : 1. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. Reared sheep eat grass and leaves. (ii) Scientific name of mulberry is Morus alba. Add them. An egg is the first stage of the life cycle of the silkworm. 3. A hairy silkworm arises after the eggs crack. In this stage, people kill the pupa by plunging the cocoon into boiling water and unwind the silk thread. NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric ... Sericulture Ans. Answer: The sources of obtaining fibres are plants and animals. Ans. (i) Yak (ii) Camel (iii) Goat (iv) Woolly dog, 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. 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. So, silk is an animal fibre. 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. Raghavendra Paripelli. Fibre can be of two types: natural fibre and synthetic fibre. (ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk. The caterpillar or larvae are hatched from the eggs of the silk moth. (i) A (ii) B (iii) both A and B (iv) neither a nor b, Which of the following does not yield wool? In this stage of silkworms, the growth happens. (b) What is meant by the white fleece of the lamb? The life cycle of silk moth starts when a female silk moth lays eggs. It provides the complete revision for 7th Science Chapter 3. For obtaining silk, silkworm moths are reared and their cocoons are collected to get silk threads. Its help full. (b) White fleece means the white coloured hair of the lamb. Animal culture Wikisource the free online library. III. CBSE Class 7 Study Material NCERT Textbook Solution. Thank u . 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. Q 8. Silk yarns come from the cocoon of the silkworm. Thus, the meaning of sericulture or silk farming is the cultivation of silkworms or silk moths to produce silk. thank you so much. (A) Which parts of the black sheep have wool? This process is called shearing. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. (B) What is meant by the white fleece of the lamb? 4. To pursue a Master's degree, one must complete graduation in the same or related fields of agriculture or sericulture. The silkworm is (a) a caterpillar, (b) a larva. It provides the complete revision for 7th Science Chapter 3. Use hints to fill in the blank spaces with letters that complete the words. The silkworms feed on mulberry leaves and give rise to pupa. fleece of the black sheep have wool. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. The rearing of silkworms for obtaining silk is called Sericulture. Discribe three components of political party. (i) Rearing. You must be familiar with the following nursery rhymes: (ii) Shearing : Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. which agriculture is referred as Slash and Burn agriculture? Answer: (a) Rearing: Taking care of animals including feeding, grazing, breeding, etc. - In India sericulture is an ancient industry dating back at least to the second century B.C. The soft looking silk yarn is as strong as a comparable thread of steel. History of silk. Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of eggs. a. Maize b. Question 8. (i) Rearing: The process of keeping, feeding, breeding and medical care of useful animals is called rearing of animals. Reference Books for class 7 Science. What kind of an activity is agriculture? (ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep. These animals produce one or more useful products for htiman beings. The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture (d) silviculture. ... sericulture (d) silviculture. 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. Sericulture and moriculture are the two terms related to silk production. Karnataka State Syllabus Class 7 Science Chapter 3 Fibre to Fabric Class 7 Science Fibre to Fabric NCERT Textbook Questions and Answers. Rearing of the silkworm is known as sericulture. It is the size of a small cotton ball and is made of a single thread of silk. ... Shearing (iii) Sericulture Answer: (i) Rearing: Rearing means helping someone to grow up. Check the notes of other chapters too. Which are the missing steps? Sericulture definition, the raising of silk worms for the production of raw silk. The rearing of silkworms for obtaining silk is called sericulture. Define sericulture. These animals are fed, provided shelters and are bred for better yield of products like milk, meat, wool etc. Moriculture is the cultivation of mulberry plants for harvesting the leaves to be used for feeding the silkworms. thumb_up Like (1) visibility Views (6.3K) edit Answer . Sericulture: The rearing of silkworms for obtaining silk is called sericulture. Wheat c. Millets d. Rice. On the mountage, the ripe worms exude silk, spin the cocoon around itself and transformed into the pupa inside it. NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric, contains solutions to various questions in Exercise for Chapter 3. The pupa stage is a motionless stage. 11) What are the important input in a farm system? 2. We link each project description to its original source, where you can get more information and step-by-step instructions. (c) Sericulture - The rearing of silkworm for obtaining silk is known as sericulture. mulberry silk, Tassar silk, etc.) Your email address will not be published. In this part, every detail of how the silkworms are grown, fed, and reared will be discussed for the understanding of Class 7 students. Differentiate between animal fibres and plant fibres. 5. AMAZING ANSWER!!! how_to_reg Follow . Also, get various engaging video lessons to learn more effectively. BSc Agriculture is an undergraduate course of 4 years duration that allows students to gain expertise in the field of agricultural science. Match the words of Column I with those given in Column II : SOLUTION: they feed on mulberry leaves and consume a large amount of these leaves for around 30 days before going to the next stage. The breeding and management of silk worms for the production of silk is known as sericulture.

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