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Stay tuned with BYJU’S to learn more interesting topics in Chemistry. It is useful information about silk moth. 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. moriculture mulberry cultivation sericulture. The rearing of silkworms for obtaining silk is called sericulture. What kind of an activity is agriculture? (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture. c. Sericulture d. None of these. ... Long question of class 7th science chapter 3FIBER... Mcq of CBSE 9TH CLASS … (ii) Shearing. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. India is the 2 nd largest producer of silk in the world after China and Karnataka is the largest producer of silk in India. Q4. (b) White fleece means the white coloured hair of the lamb. Differentiate between animal fibres and plant fibres. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. All the questions of this chapter are important for school tests and exams. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. (c) Sericulture - The rearing of silkworm for obtaining silk is known as sericulture. (iii) Sericulture : The breeding and management of silkworms for the production of silk is known as sericulture. a. Moriculture is the cultivation of mulberry plants for harvesting the leaves to be used for feeding the silkworms. Rearing Process of Silkworm: Step # 7. Shearing, Scouring, Sorting, Carding, Fibre dyeing, Spinning. It is the size of a small cotton ball and is made of a single thread of silk. It is a very old occupation in India. Q. I had practise this question and wrote in my exam i got really good marks. Which leads the world in silk production? 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 … Define sericulture. The life cycle of silkworm. Answer the following questions in 3-4 sentences : 1. (ii) Shearing : Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. Question 8. 3 Thank You. Discribe three components of political party. Define sericulture. Visit http://www.meritnation.com for more videos for your class! Add them. (b) What is meant by the white fleece of the lamb? Its help full. Required fields are marked *. Different types of silk (e.g. The egg is laid by a female moth which is mostly the size of small dots. (ii) Shearing: The process of removing the fleece of the sheep alongwith thin layer of skin is called shearing. Out of the following, which are the two terms related to silk production? Question 1. NCERT Exemplar Problems Class 7 Science Chapter 3 Fibre to Fabric. thank you so much. It provides the complete revision for 7th Science Chapter 3. Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. The process of removing the woolen fleece of sheep along with a thin layer of skin is called shearing. NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric . Question 2. 8) Which factors are vital for agricultural activities? Extracting silk from the cocoon is known as the processing of silk. Reared sheep eat grass and leaves. CLASS 7 ANSWERS NCERT DIGESTION PHOTOSYNTHESIS. 11) What are the important input in a farm system? NCERT Exemplar Class 7 Science Chapter 3 Fibre to Fabric are part of NCERT Exemplar Class 7 Science. with different textures are obtained from different varieties of … Choose the correct option. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. Welcome To Champstreet. To pursue this one needs to have a background in science.There are two types of degree, B.Sc. Use hints to fill in the blank spaces with letters that complete the words. 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. (ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep. The fibers which are obtained from plants and animals are known as natural fibers whereas synthetic fibers are man-made fibers. Class 7 Important Questions for Science – Fibre to Fabric. You must be familiar with the following nursery rhymes: 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. Sericulture is also known as silk farming. For easy access, we at BYJU’S provide free class 7 Science Chapter 3 NCERT solutions in PDF format. 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. What is Sericulture? a. Maize b. NCERT Class 7 Science Solutions for Chapter 3. Which are the missing steps? Sericulture, floriculture, moriculture, apiculture and silviculture. what is the Staple diet of tropical region? The life cycle of silk moth starts when a female silk moth lays eggs. 7. The life cycle of silk moth starts when a female silk moth lays eggs. 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. - First of all the silk worm were discovered in china by LOTZU EMPRESS of KWANG Ti in 2697 B.C. What is meant by the following terms ? Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of eggs. 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. It provides the complete revision for 7th Science Chapter 3. 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. The caterpillar hatches from a … This process is called shearing. Silk was discovered around 3500 BC in China. 3. Different types of silk (eg. Class-VI . After attempting 3 or 4 tests out of these 20 tests, you will feel confident about this chapter. NCERT Solutions for Class 7th Science Chapter 3: Fibre to Fabric. In the pupa stage, a weave is netted around by the silkworm to hold itself. In this stage, people kill the pupa by plunging the cocoon into boiling water and unwind the silk thread. Silk is a type of natural fibre or animal fibre. Give two differences between symbiotic plants and parasites. mulberry silk, Tassar silk etc.) The farmers then keep the eggs under the accurate temperature and humidity at a clean place. Now I can answer any question related to the life cycle of silkworm. This process is called shearing. 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. IT ABSOLUTELY FITS MY HOLIDAY HOMEWORK. In conventional room heater you can see the reflector attached with it. In this stage, silkworms spin a protective cocoon around itself. Rearing of the silkworm is known as sericulture. In Class 7 Science Chapter 3 Extra Questions, all the keywords are covered in the form of questions and explanation of 7th standard science. Silk is a natural fibre which is obtained from an insect (called silk moth). The temperature of an object increases because of absorption of heat. Given below is a sequence of steps in the processing of wool. cows, buffaloes, goats etc.) sericulture art of raising bombyx mori silkworms posts. Sericulture is a very old occupation in India. The breeding and management of silk worms for the production of silk is known as sericulture. Sericulture is the process of rearing silkworms to generate silk. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. A fiber can be of two types: natural fiber and synthetic fiber. Down Across (D) 1: Thorough washing (A) 1: Keeps warm. The pupa after metamorphosing into adult moth comes out by piercing open the cocoon. Name some animals which give us wool. Fibre to Fabric . Silk yarns come from the cocoon of the silkworm. person. It is right to the question. (B) White fleece of lamb means the white hair (or fibres) present on the skin of lamb. Mar 8, 2014. 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 meant by the white fleece of the lamb? What are tertiary activities? a. Horticulture b. Viticulture c. Sericulture d. None of these. ... Sericulture: The breeding and management of silkworms for the production of silk is known as sericulture. The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture (d) silviculture. 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? MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. For today's students, learning can happen anytime, anywhere. 6. (ii) Scientific name of mulberry is Morus alba. We get silk fiber from silk-worm cocoons. CBSE NCERT Solutions for Class 7th Science Chapter 3 : Fibre to Fabric. (i) Rearing. ... sericulture (d) silviculture. 3. Shifting agriculture c. Primitive farming d. Plantation agriculture. Silk fibres are converted into silk yarn which is used for making silk cloth. for commercial purposes. (i) Rearing : It is raising and taking care of livestock (e.g. Sericulture and moriculture are the two terms related to silk production. Sericulture definition is - the production of raw silk by raising silkworms. Primary activity b. The silkworms feed on mulberry leaves and give rise to pupa. What is sericulture? Sericulture : The rearing of silkworms for obtaining silk is called sericulture. TRAINING COURSES FOR SERICULTURE Central Silk Board. These eggs are stored over a clean paper or piece of cloth. 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. So, silk is an animal fibre. The rearing of silkworms for obtaining silk is called sericulture. These animals are fed, provided shelters and are bred for better yield of products like milk, meat, wool etc. Silkis a fine, strong, soft and shining fibre produced by silkworms in making their cocoons. Secondary activity c. Both a and b d. None of these. Answer: Silk fibres are animal fibres obtained from cocoons of the silkworm. 2: Animal fibre 2: Its leaves are eaten by silkworms. 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. which agriculture is referred as Slash and Burn agriculture? This procedure happens once in every year. Q.1. Multiple Choice Questions (MCQs) Question 1: The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture . (c) Sericulture. What is the scientific name of mulberry? In this stage, the pupa changes into an adult moth. what do you mean by sericulture respiration in organisms. Mulberry silk is the most common silk moth that is used for producing silk. Name the sources of obtaining fibres. Define sericulture. sericulture synonyms, sericulture pronunciation, sericulture translation, English dictionary definition of sericulture. 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 ART OF RAISING BOMBYX MORI SILKWORMS POSTS. In the pupa stage, a weave is netted around by the silkworm to hold itself. Sericulture is the breeding and management of silkworms for the production of silk. CBSE Class 7 Study Material NCERT Textbook Solution. What is the scientific name of mulberry? Karnataka State Syllabus Class 7 Science Chapter 3 Fibre to Fabric Class 7 Science Fibre to Fabric NCERT Textbook Questions and Answers. We have Provided Fibre to Fabric Class 7 Science MCQs Questions with Answers to help students understand the concept very well. A female moth lays more than 350 eggs at a time. (A) The fine and soft under-hair that grow close to the skin of the sheep have wool. In Class 7 Science Chapter 3 Extra Questions, all the keywords are covered in the form of questions and explanation of 7th standard science. sericulture synonyms, sericulture pronunciation, sericulture translation, English dictionary definition of sericulture. Which leads the world in silk production? 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. b. Sericulture c. Pisciculture d. Viticulture. - In India sericulture is an ancient industry dating back at least to the second century B.C. 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 ANIMAL 4 / 18. For obtaining silk, silk worm moths are reared and their cocoons are collected to get silk threads. Should you have any queries/clarifications please leave your details below and we will call you shortly. It begins when the female moth lays eggs. (ii) … ANSWER. Q7. History of silk. In this post, we’ve assembled 17 great science fair project ideas for 7th grade. A material which is composed of thin and continuous strands is known as fibre. Super Answer . General Sericulture Sericulture Extension Organization And.
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