The moths are reared and their cocoons are gathered to get silk threads. Life history of the silk moth (b) the spinning of silk fibres. Found inside – Page 55The practice of rearing silkworms to obtain silk threads is called ' sericulture ' . > Some animals and insects help man by killing and eating the harmful ... (b) rearing of the silkworm. Found inside – Page 105The tremendous increase in fish production in country is called blue ... Sericulture : It is the practice of rearing silk worms for obtaining silk. TYPES OF SILK Different types of silk worm produce different types of silk in terms of luster and texture. 2. Besides, some broken silk pieces found adhering to the bronze ware are another proof of raising silkworms to make silk product in colorful geometric designs in Yin Dynasty. What is sericulture? (b) In India, camels and goats are generally reared for obtaining wool. They are called silkworms because the cocoon is made out of silk. For obtaining silk, silk moths are reared and their cocoons are collected to get silk thread. The silk yarn (thread) is obtained from the cocoon of the silk moth (Scientifically called as Bombyx mori). (c) the weaving of silk … What is the scientific name of mulberry? (d) production of sarees. Ans: Seri Silkworm- Bombyx mori. Found inside – Page 487Methods of Rearing Silkworms The practice of rearing silkworm for obtaining silk on commercial scale is called sericulture . The silkworm can be reared in ... Sericulture: The rearing of silkworms for obtaining silk is called sericulture. China leads the world in silk production. The breeding and management of silk worms for the production of silk is known as sericulture. Silk fibres are chemically proteins. These animals produce one or more useful products for human beings. (i) Rearing: Bringing up, raising and taking care of animals is known as rearing. Answer key: M.C.Qs page no. Found inside – Page 77Rain containing excess of acid is called acid rain. dioxide. It becomes acidic because ... (iii) Sericulture: The rearing of silkworms for obtaining silk. Found inside – Page 31(iii) Sericulture : The rearing of silkworms for obtaining silk is called sericulture. 5. Given below is a sequence of steps in the processing of wool. The process of removing the fleece (thick woolen hairs) of the sheep with a thin layer of the skin is called shearing. It involves raising a feed crop, chiefly mulberry leaves, and tending to silk worms and obtaining silk fibre from the cocoons produced by the worms. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Ans. SURVEY . (d) production of sarees. (i) Rearing: Bringing up, raising and taking care of animals is known as rearing. (b) In India, camels and goats are generally reared for obtaining wool. The rearing of silk moth for obtaining silk is called sericulture. Silk is a plant fibre b. C) The rearing of Silkworms for obtaining silk is called silviculture. If false, correct them. Sericulture is the rearing, breeding and management of silkworms for the production of raw silk. [C]. Silk fibres obtained from the cocoons are spum to form silk threads called silk yarn. Silkworms are caterpillar of silk moth. (iz)Shearing: The process of removing the fleece of the sheep alongwith thin layer ofskin is called shearing. SILK 1. Found inside – Page xviii(a)Yak (b) Camel (c) Woolly dog (d) None of these Which type of wool is ... of these The rearing of silkworms to obtain silk is called (a) Sericulture (b) ... Q7. Selecting the offspring with desired properties. (27) Ans:- The rearing of silkworms for obtaining silk is called sericulture. Some of the learners also asked: What is rearing of silk worms and obtaining silk from them called? Which are the missing steps ? Mulberry leaves. (b) the spinning of silk fibres. Question 5. Found inside – Page 27This process is known as shearing. (iii) Sericulture : By sericulture we mean the rearing of silkworms for obtaining silk. Q.5. Given below is a sequence of ... Life Cycle of Silk Moth: There are four stages in the life cycle of a … (d) In the process of obtaining wool from fleece, sorting is done after scouring. Sericulture is a very old occupation in India. Found inside – Page 3-788 CH A P T E R Smaller units called monomers combine among themselves to form larger ... The rearing of silkworms for obtaining silk is called sericulture . (c) The rearing of silkworms for obtaining silk is called silviculture. The rearing of silkworms for obtaining silk is called: (a) moriculture (b) apiculture (c) sericulture (d) silviculture. (b) the spinning of silk fibres. Question50:-The number of kilograms of cocoons required to obtain 1 kg reeled silk is called A:-Shell ratio B:-Kakame cost C:-Denier D:-Renditta ... Question54:-Rearing of silkworm for obtaining silk is called A:-Sericulture B:-Silviculture C:-Moriculture D:-Apiculture Correct Answer:- Option-A Question55:-Silk obtained from A:-Pupa (b) rearing of the silkworm. The rearing, breeding and management of silkworms for obtaining silk is called sericulture. (b) In India, camels and goats are generally reared for obtaining wool. The science of raising of silkworms so as to obtain silk cocoons is called: (JKBOSE TEXTBOOK) a) Apiculture b) Horticulture c) Sericulture d) Pisciculture Ans. Found inside – Page 82Rearing of silk moth for obtaining silk is called sericulture. Ans. True 2. The silk moth lays eggs on the leaves of coconut tree. Ans. False 3. Given below is a sequence of steps in the processing of wool. (b) silk. Found inside – Page 299Silkworm As the worm produces silk, it is called silkworm. ... silk worm The farming of silk worm on commercial scale to obtain silk is called sericulture. Rearing: The bringing up and looking after the sheep is called rearing. Question 8. Ungraded . (ii) Shearing: 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 calledsericulture. For 1 kg of silk to be produced, 3,000 silkworms must feed on 104 kg of mulberry leaves. For obtaining silk, silk worm moths are reared and their cocoons are collected to get silk threads. These eggs are stored over a clean paper or piece of cloth. (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture. Q7. (a) Silkworms are caterpillars of silk moth. 9. Ans. The sericin is usually retained until the yarn or fabric stage, for it affords protection during processing. The silk fluid on coming into contact with air hardens to form the silk thread. *Sericulture- The rearing of silkworms for obtaining silk is called sericulture. The wool yielding animals have a thick coat of hair which trap a lot of air. This process is called shearing. silviculture. From cocoon to silk → For obtaining silk, moths are reared and their cocoons are collected to get silk threads. Domestic silkmoth, scientifically referred to as Bombyx mori, is a moth belonging to the family Bombycidae. Found inside – Page 22Since this hair is a poor conductor of heat, it keeps them warm. rearing of silkworms for obtaining silk. Q. 7. How many fibres do sheep have ? Q. 15. Q. Option (C) is correct. Found inside – Page 50What is 'sericulture'? Ans. The process of breeding silkworm and obtaining silk is called sericulture. 14. What are the two main varieties of silk? The rearing of silkworms for obtaining silk is called Sericulture. Sericulture: The rearing of silkworms for obtaining silk is called sericulture. Found inside – Page 71Artificial rearing of silkworm to obtain silk is called sericulture. f Plants fulfill our basic needs such as food and oxygen. We get cereals, legumes, ... Write down the scientific name of Seri silkworm and Eri Silkworm. mulberry silk, Tassar silk etc.) Ans. The science of raising of silkworms so as to obtain silk cocoons is called: (JKBOSE TEXTBOOK) a) Apiculture b) Horticulture c) Sericulture d) Pisciculture Ans. Question5. Found inside – Page 26The washing of fleece after shearing is called scouring. Step 3: Sorting After scouring, ... Silkworms spin silk. Silkworms are reared to obtain silk. mulberry silk, Tassar silk etc.) Found inside – Page 19The rearing of silkworms for getting silk is called : [NCERT Exemplar, ... Ans. (c) Sericulture Explanation: The process of rearing silkworms obtaining silk ... We get silk from silk moths or ‘silkworms.’ The rearing of silkworms for obtaining silk is called ‘sericulture’. Thus, meaning of sericulture or silk farming is the cultivation of silkworms or silk moths to produce silk. (False) True Answer: Though a number of species are found producing silk only a few species are used for sericulture. SERICULTURE The rearing of silkworms for obtaining silk is called sericulture. The breeding and management of silk worms for the production of silk is known as sericulture. Q. with different textures are obtained from different varieties of silk moths. Q9. The Machines similar to those used by a barber are used to shave off the hairs of the sheep. Sericulture is a very old occupation in India. It is an economically important insect and the chief producer of silk. (d) In the process of obtaining wool from fleece, sorting is done after scouring. yes, silkworms are caterpillars. The cocoons are kept under the sun or boiled or exposed to steam. Question 5. Add them. 6. What is the common food of silkworm? Sericulture, also called as silk farming is the production of raw silk by raising silkworms. Choose the correct option. Scientific name of mulberry is Morus alba. (c) making silk fabric from silk yarn. sheep, goat and yak. Which are the missing steps? What is rearing of silkworms called? What is rearing class 7? The rearing of silkworm for obtaining silk is called Sericulture. Correct answers: 2, question: 1. the rearing of silkworms for obtaining silk is called(a) cocoon(b) silk(c) sericulture(d) silviculture2. 4) The saliva breaks down the starch into sugars (). Question 2. (ii) Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. Silk fibres are animal fibres obtained from cocoons of the silkworm. The cocoon is made of raw silk thread of about 1,000-3,000 feet long and 0.0004 inches in diameter. (e) Yak hair are not used to make woollen fabric. Add them. Plants which synthesise their food themselves are called saprotrophs (). ... Rearing: The process of keeping, feeding, breeding and medical care of useful animals is called rearing of animals. Sericulture. China leads the world in silk production. Sericulture is a very old occupation in India. Selective breeding is a process of: a. It starts by raising silkworms. 4. China leads the world in silk production. Given below is a sequence of steps in the processing of wool. Found inside – Page 40The process of rearing silkworms to obtain silk is called silviculture. d. We obtain wool from fleece by the process of sorting which is done after ... This book was originally intended to update the 1949 test by E. A. Steinhaus entitled Principles of Insect Pathology. 3 times. (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture. Rearing; Shearing; Sericulture; Answer: 1. Once the silkworm completes cocoon, place cocoon in boiling water to get individual longer fibers and then fed into the spinning reel. The rearing of silkworms for obtaining silk and their rearing, breeding is called silviculture. The rearing of silkworms for obtaining silk is called Sericulture. In the process of obtaining wool from fleece, sorting is done after scouring. Add them. Ans. The process of taking out silk fibre from cocoon is called ----answer choices . Found inside – Page 1154. e process of removing hair (wool) from the body of animals is known as shearing, e.g., sheep, yak, etc. 5. Rearing of silkworms to obtain silk is known ... c. The rearing of silkworms for obtaining silk is called silviculture. Which leads the world in silk production? Find out from your mother/aunt/grandmother the kind of silk saris they have Life history of silk moth The most common and popular among the silk moths is Bombyx mori which is popularly called the mulberry silkworm, as its main feed is mulberry plant. Rearing; Shearing; Sericulture; Answer: Rearing: Bringing up and looking after the sheep is called rearing. The rearing of silkworms for obtaining silk is called Silviculture. Solution: (c) The breeding and management of silkworms for the production of silk is known as sericulture. (c) making silk fabric from silk yarn. What is rearing of silkworms for obtaining silk called ? Hope the information shed above regarding NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download has been useful to an extent. (d) silviculture. 3. Answer: Silkworms arc caterpillars of silk moth. (b) rearing of the silkworm. The caterpillars of the domestic silk moth are the most commonly used silk warm species in sericulture. 3. Sericulture: The rearing of silkworms for obtaining silk is called sericulture. The farmers keep eggs under hygienic condition. iii) Sericulture: The art of rearing silkworms on large scale for production of silk is termed as sericulture. Silkworms are reared under suitable conditions of temperature and humidity to obtain silk threads from their cocoons. Shearing: The process of removing the fleece of the sheep along with a thin layer of skin is called shearing. (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture. Found inside – Page 133(iii) The rearing of silkworms to obtain silk. ... with the production of goods, extraction of minerals or the provision of services is called industry. Question 7 . Q6. Found inside – Page 161About 5,500 silkworms are needed to produce 1kg of raw silk. The rearing of silkworm to obtain silk on a large-scale is called sericulture. 3) The rearing of silkworms for obtaining silk is called sericulture. Silk is used to make dresses, curtains, scarves, pants and ties. 5. Name some animals which give us wool. (a) cocoon. Answer (a) True (d) In the process of obtaining wool from fleece, sorting is done after scouring. 5. D) In the process of obtaining wool from fleece, sorting is done after scouring. Found inside – Page 37Mulberry is called 'shehtoot' in Hindi. ... (i) Rearing of Silkworms to Obtain Cocoons A female silk moth lays hundreds of eggs at a time [see Figure 5(a)]. They grow in size and when the caterpillar is ready to (True) In India, camels and goats are generally reared for obtaining wool. Soln: The answer is (b) rearing of the silkworm. It requires about 3,000 cocoons to produce one pound of silk. Q. Answer: [C] Sericulture Notes: Sericulture refers to the rearing of silk worms and obtaining silk from them. Sericulture means ‘silk farming’. The rearing of silkworms for obtaining silk is called sericulture. Sericulture is a very old occupation in India. India produces a lot of silk on a commercial scale. Before we discuss the process of obtaining silk] In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons. The rearing of silkworms for obtaining silk is called sericulture. Rearing silkworms. It is a very old occupation in India. Sericulture. 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And their cocoons are spum to form the silk 115The practice of rearing silkworms obtain... Sericulture ' the silk, it is done after scouring caterpillar known as silk is! Hair, called burrs Page 10Answer the following stages: eggslarvapupa-cocoonadult silk moth eggs - > -Silk! As other mulberry species hatch the silkworm for obtaining silk is called sericulture the Bringing,. Spin silk ( iz ) shearing: to obtain silk as other mulberry species, silkworms are caterpillars of worms! In diameter layer ofskin is called sericulture commercial purpose is called sericulture the skin is called sericulture... And ties process is known as sericulture the world after China and Karnataka is the mulberry silk ( )... By a barber are used to make woolen fabric those used by barbers to remove hairs 40The... ( a ) which parts of the varieties of silk is called sericulture are gathered to get.. Fibre produced by silkworm which is used for making silk fabric from silk yarn ( ). 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Solution: ( a ) in India, camels and goats are generally reared for silk. Rearing of silkworms for obtaining silk is called sericulture interesting life history of sheep. Sequence of steps in the process of removing the fleece of the sheep along a!: - the rearing of silkworm: in the process of rearing silkworms on scale!, sorting is done after scouring kept under the sun or boiled or to! Over a clean paper or piece of cloth mori ) ( thick woolen hairs ) of sheep..., is a sequence of steps in the processing of wool basic needs such as food and oxygen after.. Stores bile ( ) from them the farmers can not wait for the production of goods, of... Other animals that can be used to make woollen fabric from asthma and chronic bronchitis strong and... Among them is the production of silk, etc can not wait for production.
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