(a) silk moth (c) Angora goat Caterpillars eat day and night and increase enormously. Answer: (a) Question 22. Question 20. Question 6. Question 17. Hope the information shared regarding the NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download is true and genuine as far as our knowledge is concerned. The silk fibre obtained from the cocoon of mulberry silk moth are soft and lustrous. Transparent Though wool comes mainly from sheep, some other animals also give us wool. (a) rearing Like for the most types of wool, the best quality lamb wool is obtained from the first shearing of the sheep. The chances of a sheep spawning in these colours are: 1. Question 5. Wool is gathered from sheep by using shears on them when they have a full coat. Take your favorite fandoms with you and never miss a beat. The cocoons are kept under the sun or boiled or exposed to steam. Data Values Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download is available here. The process of washing the fleece of sheep to remove dust, dirt, sweat and grease etc. Answer. Wool is obtained from the fleece (or hair) of sheep. Answer: (a) Unlike synthetics which are industrially produced from non-renewable fossil energy, Merino wool is a natural fibre grown year-round by Merino sheep, consuming a simple blend of natural ingredients including sunshine, water, fresh air and grass. (quality of wool is depends on Crimp in the yarn per centimeters) so at shoulder and below abdomen portion generally goat has good and fine quality of fleece. Angora wool is obtained from Yak. The fine soft hair fibres are used for making wool. (b) reeling silk worms (c) both (a) and (b) (d) All of these. Wool is mainly obtained by shearing fleece from living animals, but pelts of slaughtered sheep are sometimes treated to loosen the fibre, yielding an inferior type called pulled wool. (b) Floriculture, Moriculture Question 3. Reeling the silk is taking out threads from the cocoon. (c) Japan Solution 2 Show Solution. (a) reeling the silk Wool is obtained from the hairy fibres (hair) of the sheep. Wool Animals That Yield Wool. The …………………… called caterpillars eat day and night. Wool and silk fibres are obtained from animals and plants. A shorn sheep regrows its wool coat by eating grass . Question 4. there are six steps by which wool is obtained form sheep. For example the shoulders and abdomen hairs are regarded as good fleece and from other part has poor quality. Wool is obtained from the fleece of: (a) cow (b) camel (c) sheep or yak (d) all of these. A pile of …………………… is used for obtaining silk fibres. Llama and Alpaca are found in South Africa. Silk fibres are also known as: (c) scouring Wool is crimped, elastic, and insulates against cold exceptionally well. (c) Goat Question 22. Answer the following: Which parts of the black sheep have wool? The …………………… skin with hair is washed in tanks to remove dust, grease and dirt. (b) Sorter’s disease (b) South America Have a glance at the MCQ of Chapter 3 Science Class 7 and cross-check your answers during preparation. Question 18. Except for white cloth, colored cloth blocks were unobtainable during Classic's Survival Test and Infdev, unless they were pre-placed into the map file. Minecraft Wiki is a FANDOM Games Community. Animal fibres are naturally obtained from animals. Tool Used (c) spirogyra Placing these blocks on the map would cause the game client to crash since the blocks no longer existed. Question 9. (b) Anthrax (c) honey bee The rearing of silkworms for obtaining silk is called: They were completely removed from the code in Infdev. Answer. In scientific terms, wool is considered to be a protein called keratin. (a) cow Sheep can be permanently dyed any color, making the wool it produces to be that color too. (d) none of these. Mostly sheep are reared for getting wool in: Answer: (a) Wool can be obtained from several different animals (sometimes with differing degrees of ethics)—from goats and qiviut to yaks and bison… even rabbits!. Answer: (a) Animal fibres are known as silk fibres. Question 11. Answer: (a) (a) Rhizobium (a) legumes Name the natural fibre obtained from insects. While most people picture only sheep when they think of wool, other animals also produce fine protein fiber. Answer: (a) (a) Yak This is considered the softest and finest wool and it typically shorn from lambs that are not yet seven months old. Abdomen hairs are regarded as good fleece and from other animals and.. The …………………… of silk worms so as to obtain wool fibres or hair ) of the.. 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