Question 4. 34. . Name the animals which are reared in South America for yielding wool. wool yielding animals have a thick coat of hair on their bodies so that sheep can withstand with cold weather. Does shearing hurt sheep? Answer: 38. The largest gland in the human body is the liver. The types of wool yielding animals are goats yaks and sheep. Animals that yield wool: Yak wool is common in Tibet and Ladakh. NCERT Class 12 Books Physics Chapter 4- Moving Charges and Magnetism; X. Some animals which yield wool are Sheep Goat Yak Camel Rabbit Llama Alpaca Question 2. Question 2. Camels, native to North Africa, the Middle East and Central Asia, are less well known for their wool. asked Mar 29 in . Question 2. 2. The fiber from bison, camels, and yak are the more rare fibers. In Thi. Explanation: Selective breeding is the process of the crossing of two selected varieties having different traits to produce a hybrid having good traits of both, e.g., some breeds of sheep possess only soft under-hair. Silk fibre is obtained from (a) fleece of sheep Sheep The most common wool animal is the sheep. These animals are fed, provided shelters, and are bred for better yield like milk, meat, wool etc. Wool is derived from these hairy fibres. Angora wool is obtained from angora goats, that is commonly found in hilly areas of Jammu and Kashmir. Scouring is the process in which dirty and oily fleece of animals is washed in soap and water to make it clean. Register; Test; . Scientific name of mulberry is: (a) legumes (b) morus alba (c) spirogyra (d) none of these . Question 1. Q 5 - Rampur bushair and Bakharwal are the breeds of which animal-sheep or goat? Sericulture. Silk industry began in: (i) China (ii) India (iii) Japan (iv) Korea Show Answer Q2. The wool yielding animals have a thick coat of hair on their body to keep . Class 7 Science Chapter 3 Fibre to Fabric Textbook Exercise Questions and Answers. Wool comes from the creatures like sheep goat yak camel Liama and alpaca. Name two animals which provide wool. (2) Ans:- Yak wool is common in the hilly regions of Tibet and Ladakh. Question 3. ii. Q5: Explain the two types of fibres. Find the names of these animals. If you have any other queries of CBSE Class 7 Science Fibre to Fabric MCQs Multiple Choice . 1 yak 2 angora goat 3 sheep 4 camel 5 bison 6 lamas 7 rabbit 8 musk oxen Sheep and yak are the wool yielding animals in india. Question of Class 7-Wool : Wool comes from sheep, Llama, Camel, Alpaca, Angora goat, goat, yak and some other animals. Ozone: Ozone has great actions against bacteria and virus. class-7 1 Answer +1 vote answered Mar 29 by ZoyaPatel (47.6k points) selected Mar 30 by Vipulyadav Best answer 1. Answer (a) Eggs of silk moth on mulberry leaves (b) Silkworm (c) Cocoon (d) Cocoon with developing . Such elements allow this wool to be counted among the luxurious types of wool used in making high-end clothing. Program to count minimum number of animals which have no predator in Python; Program to get final position of moving animals when they stops in Python; Constructing full name from first name, last name and optional middle name in JavaScript; Some CSS Rules; MySQL query to display columns name first name, last name as full name in a single column? (i) a (ii) b (iii) both a and b (iv) neither a nor b. The thick coat of hair traps a lot of air. Name any two natural fibres obtained from animals. Yak is an example of a wool-yielding animal. Hair trap a lot of air as air is a poor conductor of heat. Hairs trap a lot of air. Question 2. The wool yielding animals like sheep, goat, yak, etc., have a thick hair on their body. Camels. (9 Wool Producing Animals!) These wool-acquiescent animals bear hair on their body. 2. Name them. Class 7 Science Chapter 3 Fibre to Fabric Additional Important Questions and Answers. 35. The fibres, which are obtained from plants and animals are called natural fibres e.g., jute and wool. Name the process of taking out silk fibres from the cocoon for use as silk. Answer the following: a. Explanation: Wool comes from the creatures like sheep, goat, yak, camel, Liama and alpaca. Wool is a modified form of hair that grows with a waviness. Answer: What is selective bre. Recommend (0) Comment (0) Question 16. Mulberry leaves. This is one wool giving animal whose wool is known for its lightweight, free from grease and soft texture. Silk and wool fibres are obtained from animals. Silk and wool are animal fibres because silk comes from silkworms and wool is obtained from fleece, i.e., hairs of sheep, goat, yak and some other animals. Prev Question Next Question Free JEE Main Mock Test Free NEET Mock Test Why wool yielding animals have a thick coat of hair? Question 15. Gujarat Board Class 7 Science Fibre to Fabric Textbook Questions and Answers. The wool-yielding creatures bear hairs on their body. Solution: 1-e, 2-c, 3-b, 4-a. Wool, fleece, and fiber can be harvested from a number of wool-yielding animals, including sheep, goats, rabbits, camels, llamas, alpaca, bison, and yak! Question 1. (2) 4. Fine wool sheep produce the smallest micron of wool and include the Merino types Rambouillet and Debouillet. Find an answer to your question 7. 1 Wool 2 Silk. (b) White fleece of the lamb refers to the lamb's white hair. Q1: Define wool. Silk fibres come from cocoons of the silk moth. 'Baa baa black sheep, have you any wool.'. 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. Yak wool from Tibet and Ladakh Mohair is obtained from angora goats, wool from goat hair, The underfur of Kashmiri goats are soft and it is woven into fine shawls called Pashmina shawls. Question 1. Name the sources of obtaining fibres. This is called selective breeding. . Choose the correct option. Mulberry leaves are the leaves of the mulberry plant. It comes from the fleece/hair of wool yielding animals such as sheep, goat, yak, camel, rabbit, etc. Free Courses Free Current Affairs Premium Courses Courses Free Mock Test Choose the correct option. #woolyieldinganimals#typesofsheep#Alpaca#Llama#LearntogetherwithashokGood morning students.. Fill in the blanks: The main steps of digestion in humans are ingestion, digestion, absorption, assimilation, and egestion. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Telanagana State Board Class 7 Science Chapter 3 Animal Fibre Solution: (1) In sericulture industry do which stages of silk worm do weavers buy? Very Short Type Questions Solution: (1) Ans:- Two fibres obtained from animals are wool and silk. wool yielding animal (d) Cocoon (ii) yields silk fibres (e) Silk fibres (i) animals . Question 18. 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. Llama and Alpaca found in South America also yield wool. 1. . Wool is an animal derived fibre. Answer the following: Question5. Solution 4: (i) Rearing: Bringing up, raising and taking care of animals is known as rearing. Class 7 Science Chapter 3 Fibre to Fabric Textbook Exercise Questions and Answers. Short & Long Answer Questions for Class 7 Text Transcript from Video the pleas of sheep is not the only source of wool there are other animals also that yield wool wool is obtained from other animals like yog Guth camel etc also Yahoo is common in Tibet and Ladakh angora wool is obtained from Angora goats and Angora rabbits (a) The rearing of silkworm to get silk. Wool Wool is the most commonly used animal fibre. Silk fibre is obtained from (a) fleece of sheep Q2: What are the different sources of wool? <5M> 39. Name two types of fibres which form the hairy skin of the sheep. Silk is obtained by killing the pupae. NCERT Solutions for Class 10 Maths Chapter 7; NCERT Solutions for Class 10 Maths Chapter 8; NCERT Solutions for Class 10 Maths Chapter 9; . Name some wool yielding animals. b) It means the colour of the fleece of lamb is white.The natural fleece of sheep is black, brown or white. Hence the correct answer is (D). We know that animals have a thick coat of hair. The fiber from bison camels and yak are the more rare fibers. Yak . The wool-yielding animals bear hairs on their body. Simran. (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture. (ii) 'Mary had a little lamb, whose fleece was white as snow'. Lamas. Answer: Fibres are classified into two types on the basis of their sources. Camels Camels, native to North Africa, the Middle East and Central Asia, are less well known for their wool. Ans - Yak wool is common in the hilly regions of Ladakh. Name two Indian breeds of sheep and . Silkworm feeds on mulberry leaves and completes their life cycle there. Fibre (1) is used in filling quilts and the yarn made of fibre (2) is used in making gunny bags, The yarn made from fibre (3) is used for knitting sweaters and yarn of fibre (4) is used for weaving saries. (a): Wool can be obtained without killing the animal. Goats. Question 2. (ii) 'Mary had a little lamb, whose fleece was white as snow'. The fleece yielding creatures have a thick coat of hair on their body to keep them warm amid cold winter season. Its leaves are eaten by silkworms. In the previous video we studied about History of wool. a) Wool obtained from hair called fleece of the sheep. Question of Class 7-animal-fibres-solved-questions- : Why wool yielding animals have a thick coat of hair . Answer . Question 3. FREE Class_7_science_in_everyday for class 7 Science, Chapter 3 - Fibre To Fabric from (Class_7_science_in_everyday). Question 3. The fur on the body of camels is also used as wool. Write and draw the various stages of the life . Question 3 Which of the following does not yield wool? Hair trap a lot of air. Write sequence of steps in the processing of wool. Answer: Silk and wool are two fibres which are made up of proteins. 3. You must be familiar with the following nursery rhymes: (i) 'Baa baa black sheep, have you any wool'. . Class 1; Class 2; Class 3; Class 4; Class 5; Class 6; . Air is a poor conductor of heat, which does not allow the heat absorbed to release from their body and keeps them warm. Sheep wool is very common. Ans - Rampur bushair and Bakharwal are the breeds of sheep. When is shearing done? Other than sheep and goats, wool is obtained from which other animals native to South America? Normally the silk traders prefer to buy the silkworms in cocoon stage. 1. Lamas The Lama genus of animals, all of whom originate in South America, includes llamas, alpacas, vicunas and guanacos. Some of these letters in each ring can form. nekibakhtar44 nekibakhtar44 13.02.2020 Science Secondary School answered 7. Why wool yielding animals have thick coat of hair? Answer the following: H. Paheli wants to know the maximum length of continuous silk thread that can be obtained from a cocoon. Remember. Answer: The thin strands of a thread are called fibres. The llama camel is originally found in the mountain regions of the Andes in South America. Answer: The process of cutting off the woolen fleece of sheep with a thin layer of skin is called shearing. These animals have a thick coat of hair. Wool grows in the form of a thick coat of hair on certain animals and is usually an adaptation to help animals keep their body warm in cold climates. 2. b) It refers to the white colour of their hairy skin. Name two wool-yielding animals. Take an India map and mark the regions where various wool yielding animals are found and mention their names there. Medium wool breeds include the Targhee Suffolk. The most common wool animal is the sheep. The sources of obtaining fibres are plants and animals. (ii) Gaddi Sheep Breed - wool is fine and lustrous and it is used for manufacturing of high quality kulu shawls and blankets. Why do they do so? The wool yielding animals bear a thick coat of hair on their body. (a) Mainly the abdomen and back of the sheep have wool. Alpacas are known. Ans - Wool yielding animals are sheep, yak, llama, alpaca, angora goat, angora rabbit and camel. Ans. By which materials they are made of? Wool yielding animals are sheep, yak, llama, alpaca, angora goat, angora rabbit and camel. eding? Download the Science Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well. Yak, Camel, Sheep . 'Marry had a little lamb, whose fleece was white as snow'. Sheep camel lion and rabbit. Animal fibres are obtained from animals, e.g., silk and wool. 2: Differentiate between natural and man - made fibres. Science Guide for Class 7 PSEB Fibre to Fabric Intext Questions and Answers. 3.2 . (a) Why do wool yielding animals have a thick coat of hair on their bodies? I. Boojho wants to know why caterpillars need to shed their skin when they grow bigger but we humans do not. Question 7. To learn more on this topic please register with us . Where are the wool yielding animal called llama and alpaca found. Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type. Plant fibres and animal fibres and synthetic fibres. Option (iii) is the right answer. Fur and leather are animal products which are obtained from the skin of animals by killing them. Class 7; Class 8; Class 9; Class 10; Class 11 Science; Class 11 Commerce; Class 12 Science; Class 12 Commerce; Class 12 humanities; ICSE. Name any four wool-yielding animals. Answer the following: a. The hair of a wool dog does not provide wool because the dog's hair is unable to spin the same way as that of camel, yak and goat. Name two wool-yielding animals. a) The fine and soft hair that grows at the back of the sheep have wool. It is done by the machines which remove the hair. Answer: Artificial silk is a plant fibre. The spinning of hair is necessary to produce good quality wool. 2. Question 2 The silkworm is (a) a caterpillar, (b) a larva. (1) 6. 2. Question 1. Air is a poor conductor of heat so, hairs keep these . Ans: Two chemicals used to disinfect water are Ozone and chlorine. Wool is the soft, wavy (or curly) hair which covers the body of a sheep. It feels similar to alpaca and angora rabbit. (3) Ans:- Angora goats found in Jammu & Kashmir. Rearing and breeding Sources and Making of wool Animals like sheep, yak, llama, alpaca, few breeds of goats etc. Answer: The hair (or wool) trap a part of air. The soft goat hair is extracted in Kashmir to make fine shawls, called Pashmina shawl. Llamas are generally clipped once a year and produce a coarse wool that includes stiff guard hairs. Fig. (2) 3. Note: Here are different processes in formation of wool, such as, shearing, scouring, grading, dyeing and drying. Camel is also used to extract wool in Gujarat. Animals That Give Wool! Sometimes, special breeds of sheep are chosen to produce offspring which have very fine hair. Hatches from egg of moth. Question 1. The hair traps a lot of air in the spaces between them. Name two wool yielding animals. You must be familiar with the following nursery rhymes: (i) 'Baa baa black sheep, have you any wool'. Two fibres are made up of proteins. The silkworm is (a) a caterpillar, (b) a larva. You must be familiar with the following nursery rhymes: i. Aug 22,2022 - Name the animals that yield wool? The names of wool yielding animals found in the rings are Yak Camel and sheep. Login. This process is called shearing. Wool is obtained from the fleece (hair) of sheep or yak. Ans: Some examples of animal breeds that yield wool are Merino, Nali, Marwari sheep, Angora, and Cashmere goat, yak, some camels, Angora rabbit, Llamas, Alpacas, etc. Class 7 Science Nutrition in Animals NCERT Textbook Questions and Answers 1. Question 2. by Subject Matter Expert at Safalta for better learning. What are the sources of wool and silk? Goats Mohair and cashmere come from goats. - Animal Quarters Amphibians Frogs Animal Facts Birds Chickens Eagles Owls Penguins Seagulls Insects Ants Invertebrates Spiders Mammals Bats Bears Deer Elephants Foxes Jaguars Lemurs Pigs Raccoons Marsupials Kangaroos Pets Cats Primates Gorillas Monkeys Reptiles Bearded Dragons Snakes Rodents The female silk moth lays eggs, from which caterpillars or silkworm larvae hatch. (1) 7. ii. Name some animals that yield Wool Answer: Wool comes from animals that have a thick coat of hair on their body. Name two wool yielding animals. Fibre to Fabric Class 7 Notes Understanding the Lesson 1. 'Marry had a little lamb, whose fleece was white as snow'. bear fine hair on their bodies to keep them warm. 2. Name any two natural fibres obtained from plants. Alpaca and Lama are reared in South America for yielding wool. 4. 3. Get the answer to your question i.e. 5. Burr. Question 1. Mohair and cashmere come from goats. Find out for her. MCQ Questions for Class 7 Science with Answers Q1. Question 4. Name an Artificial silk fibre. The wool-yielding animals bear a thick coat of hair on their body. | EduRev Class 7 Question is disucussed on EduRev Study Group by 103 Class 7 Students. Answer: Sheep and yak. Ans: - Egg, Larva, Pupa, Adult moth are the stages in the life cycle of silk worm. Q 4 - In which part of India, yak wool is common? These wool-yielding animals bear hair on their body. Keeps warm. 4. The silkworm is a caterpillar as well as a larva. Answer: Fibre (marked 1) which is used in filling quilts is cotton and fibre (marked 2) is . (4) Ans:- Kashmiri goa t. (5) Ans:- Llama and Alpaca are found at South America. You must be familiar with the following nursery rhymes: i. Q3: Why sheep have a thick coat of hair on their body? So, their hair keeps the animals warm. To which class, animal fibre or plant fibre, artificial silk belongs to? Which of the following does not yield wool? Wool is obtained from sheep, goat, yak and some other animals. Wool. This thick coat of hair yields wool , and it is this thick coat of hair that keeps these animals warm in the winters. Q4: Define a fibre. 3. 'Baa baa black sheep, have you any wool.'. Fig. Air spaces between the wool fibres trap air. (a) Wool is made from the hairy fibers (hair) of sheep. Some of these letters in each ring can form the name of one wool yielding animal. What is sorting? What are fibres? Question 3. An India map and mark the regions where various wool yielding animals are found and mention their names there. The thick coat of hair traps a part of discuss. 2 See answers Advertisement . Gujarat Board Class 7 Science Fibre to Fabric Textbook Questions and Answers. (b) White fleece refers to the white hair of lamb that is used to make wool. (i) a (ii) b (iii) both a and b (iv) neither a nor b. WOOL. It comes from the fleece/hair of wool yielding animals such as sheep, goat, yak, camel, rabbit, etc. Answer: Natural Fibres obtained from Plants : (1) Cotton, (2) Bamboo. Explain selective breeding. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State . Think and Answer (Textbook Page No. 3.1 . 2. The fiber from the camelid family of animals is very soft and fine. The stomach releases hydrochloric acid and digestive juices which act on the food. Answer (iii) both a and b Silk is obtained by killing the pupae. Fur and leather are animal products which are obtained from the skin of animals by killing them. Q8: Differentiate between natural and man - made fibres. 6. The silkworm is (a) a caterpillar (b) a larva Choose the correct option: a; b; both a and b; neither a nor b; Solution: 1. a caterpillar. The hair (wool) on the body of wool-yielding animals trap a lot of air. (ii) Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. ii) Shearing: Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. A Which of the following deals with the rearing of silk worm? These fibres are the source of wool for us. What is sorter's disease? Q6: Why a cotton garment cannot keep us as warm in winter as a woollen sweater does? Chlorine: It is highly effective disinfectant. Advertisement Advertisement Chapter 3 - Fibre to Fabric Extra Questions. Write about feeding of sheep . Answer (iii) both a and b. The Lama genus of animals, all of whom originate in South America, includes llamas, alpacas, vicunas and guanacos. (2) 5. 37. 36. 24) Question 1. Woolly dogs do not produce wool. Wool The wool comes from animals like sheep, goat, yak, camel, llama and alpaca. The hair which gives us wool and keeps them warm during the cold winter season. (2) 8. The wool derived from them is as fine as Mohair and is considered to be the best quality wool. Wool comes from animals such as sheep, goat and yak, etc., whereas silk comes from silkworms. Wool yielding animals are sheep, yak, llama, alpaca, angora goat, angora rabbit and camel. Name the two types of fibres obtained from the fleece of a sheep. If not why? Write a caption for each of the figures given as Figure 3.2 (a-d). Very Short Answer Type Questions. (a): Wool can be obtained without killing the animal. Q. Name the four given fibres marked 1,2, 3 and 4.