{"id":2314,"date":"2022-11-11T06:04:24","date_gmt":"2022-11-11T06:04:24","guid":{"rendered":"https:\/\/theexampillar.com\/ncert\/?p=2314"},"modified":"2022-11-29T06:40:44","modified_gmt":"2022-11-29T06:40:44","slug":"ncert-solutions-class-7-science-chapter-3-fibre-to-fabric","status":"publish","type":"post","link":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-science-chapter-3-fibre-to-fabric\/","title":{"rendered":"NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric"},"content":{"rendered":"<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">NCERT Solutions Class 7 Science\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">The NCERT Solutions in English Language for Class 7 Science <strong>Chapter &#8211; 3 (Fibre to Fabric) <\/strong>has been provided here to help the students in solving the questions from this exercise.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Chapter &#8211; 3 (Fibre to Fabric)<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>1. You must be familiar with the following nursery rhymes:<br \/>\n<\/strong><\/span><span style=\"color: #000000;\">(i) \u2018Baa baa black sheep, have you any wool.\u2019<br \/>\n<\/span><span style=\"color: #000000;\">(ii) \u2018Mary had a little lamb, whose fleece was white as snow.\u2019<br \/>\n<\/span><span style=\"color: #000000;\"><strong>Answer the following:<br \/>\n<\/strong><\/span><span style=\"color: #000000;\">(a) Which parts of the black sheep have wool?<br \/>\n<\/span><span style=\"color: #000000;\">(b) What is meant by the white fleece of the lamb?<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><b>Answer &#8211;<br \/>\n<\/b>(a) Wool is obtained from hairy fibres of the sheep.<br \/>\n<\/span><span style=\"color: #000000;\">(b) White fleece of the lamb refers to the white colour of their fur.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>2. The silkworm is (a) a caterpillar, (b) a larva. <\/strong><\/span><span style=\"color: #000000;\"><strong>Choose the correct option.<br \/>\n<\/strong><\/span><span style=\"color: #000000;\">(i) a\u00a0 \u00a0 \u00a0 \u00a0 (ii) b\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(iii) both a and b\u00a0 \u00a0 \u00a0 \u00a0 \u00a0(iv) neither a nor b.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;\u00a0<\/strong>The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option. &#8211;\u00a0<\/span><strong><span style=\"color: #000000;\">(iii) both a and b<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>3. Which of the following does not yield wool?<br \/>\n<\/strong><\/span><span style=\"color: #000000;\">(i) Yak\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (ii) Camel\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(iii) Goat\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(iv) Woolly dog<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211; <\/strong>Which of the following does not yield wool? <\/span><span style=\"color: #000000;\">&#8211; <strong>(iv) Woolly dog<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>4. What is meant by the following terms?<br \/>\n(i) Rearing\u00a0 \u00a0 \u00a0 \u00a0 (ii) Shearing\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (iii) Sericulture<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;<br \/>\n<\/strong><\/span><span style=\"color: #000000;\"><strong>(i) Rearing\u00a0 &#8211; <\/strong>Rearing means bringing up and taking care of little sheep until the sheep becomes fully grown.<br \/>\n<\/span><span style=\"color: #000000;\"><strong>(ii) Shearing &#8211; <\/strong>It\u2019s a process of shaving a sheep\u2019s full body to obtain wool along with a very thin layer of skin.<br \/>\n<\/span><span style=\"color: #000000;\"><strong>(iii) Sericulture &#8211; <\/strong>It\u2019s the process where rearing of silkworms are done for the production of silk.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>5. Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.<br \/>\n<\/strong><\/span><span style=\"color: #000000;\">Shearing, __________, sorting, __________, __________, _________.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;\u00a0 <\/strong><\/span><span style=\"color: #000000;\">Shearing,\u00a0<span style=\"text-decoration: underline;\"><strong>Scouring<\/strong><\/span>, sorting,\u00a0<strong><span style=\"text-decoration: underline;\">picking of burrs<\/span>, <span style=\"text-decoration: underline;\">dying of fibres<\/span>, <span style=\"text-decoration: underline;\">making of yarn<\/span><\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>6. Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk. <\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;\u00a0<\/strong>The two stages in the life history of the silk moth which are directly related to the production of silk are:\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2373\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Q6.png\" alt=\"NCERT Class 7 Science Solution\" width=\"279\" height=\"140\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>7. Out of the following, which are the two terms related to silk production?<br \/>\n<\/strong><\/span><span style=\"color: #000000;\"><strong>Sericulture, floriculture, moriculture, apiculture and silviculture.<br \/>\n<\/strong><\/span><span style=\"color: #000000;\"><strong>Hints:<br \/>\n<\/strong>(i) Silk production involves cultivation of mulberry leaves and rearing silkworms.<br \/>\n(ii) Scientific name of mulberry is Morus alba<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;\u00a0<\/strong><\/span><span style=\"color: #000000;\">Sericulture and moriculture<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>8. Match the words of Column I with those given in Column II:<\/strong><\/span><\/p>\n<div class=\"table-responsive\" style=\"text-align: justify;\">\n<table class=\"table table-bordered\" style=\"width: 50%;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px;\"><span style=\"color: #000000;\"><strong>Column &#8211; I<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 24px;\"><span style=\"color: #000000;\"><strong>Column &#8211; I<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">1<\/span><span style=\"color: #000000;\">.<\/span><span style=\"color: #000000;\"> Scouring<\/span><\/td>\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">a) Yields silk fibres<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">2. Mulberry leaves<\/span><\/td>\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">(b) Wool yielding animal<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">3. Yak<\/span><\/td>\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">(c) Food of silkworm<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">4. Cocoon<\/span><\/td>\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">(d) Reeling<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\"><\/td>\n<td style=\"height: 24px;\"><span style=\"color: #000000;\">(e) Cleaning sheared skin<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution:<\/strong><\/span><\/p>\n<div class=\"table-responsive\" style=\"text-align: justify;\">\n<table class=\"table table-bordered\" style=\"width: 50%;\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Column &#8211; I<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Column &#8211; I<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000;\">1. Scouring<\/span><\/td>\n<td><span style=\"color: #000000;\">(e) Cleaning sheared skin<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000;\">2. Mulberry leaves<\/span><\/td>\n<td><span style=\"color: #000000;\">(c) Food of silkworm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000;\">3. Yak<\/span><\/td>\n<td><span style=\"color: #000000;\">(b) Wool yielding animal<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000;\">4. Cocoon<\/span><\/td>\n<td><span style=\"color: #000000;\">(a) Yields silk fibres<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>9. Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.<br \/>\n<\/strong><\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\"><strong>Down<\/strong><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\"><strong>Across<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">(D) 1 : Thorough washing<br \/>\n<\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">(A)\u00a01 : Keeps warm<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">2 : Animal fibre<\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">2 : Its leaves are eaten by silkworms<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">3 : Animal fibre<\/span><span style=\"color: #000000;\"><br \/>\n<\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">3: Hatches from egg of moth<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2375\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Q9.png\" alt=\"NCERT Class 7 Science Solution\" width=\"544\" height=\"350\" srcset=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Q9.png 544w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Q9-300x193.png 300w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Q9-480x309.png 480w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Answer &#8211;\u00a0<\/strong><\/span><\/p>\n<table style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\"><strong>Down<\/strong><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\"><strong>Across<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">(D) 1 : Thorough washing &#8211; <strong>Scour<\/strong><br \/>\n<\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">(A) 1 : Keeps warm &#8211;\u00a0<strong>Wool<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">2 : Animal fibre &#8211; <strong>Silk<\/strong><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">2 : Its leaves are eaten by silkworms &#8211;\u00a0<strong>Mulberry<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">3 : Animal fibre &#8211;\u00a0<strong>Fibre<\/strong><\/span><span style=\"color: #000000;\"><br \/>\n<\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"color: #000000;\">3: Hatches from egg of moth <strong>&#8211; Caterpillar<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2378\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Ans-9.png\" alt=\"NCERT Class 7 Science Solution\" width=\"544\" height=\"350\" srcset=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Ans-9.png 544w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Ans-9-300x193.png 300w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Science-Chapter-3-Ans-9-480x309.png 480w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/p>\n<table style=\"width: 100%; border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 100%; background-color: #f2e079; text-align: center;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong>NCERT Class 7<sup>th\u00a0<\/sup>Solution\u00a0<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-english\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 English\u201d (Edit)\">NCERT Solutions Class 7 English<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-hindi\/\" aria-label=\"\u201cNCERT Solutions Class 6 Maths\u201d (Edit)\">NCERT Solutions Class 7 Hindi<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Maths\u201d (Edit)\">NCERT Solutions Class 7 Mathematics<\/a>\u00a0<\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><a href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-sanskrit-ruchira\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\">NCERT Solutions Class 7 Sanskrit<\/span><\/strong><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-science\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Social Science\u201d (Edit)\">NCERT Solutions Class 7 Science<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong><span style=\"color: #0000ff; font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-social-science\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Social Science\u201d (Edit)\">NCERT Solutions Class 7 Social Science<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions Class 7 Science\u00a0 The NCERT Solutions in English Language for Class 7 Science Chapter &#8211; 3 (Fibre to Fabric) has been provided here to help the students in solving the questions from this exercise. Chapter &#8211; 3 (Fibre to Fabric) 1. You must be familiar with the following nursery rhymes: (i) \u2018Baa baa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[292],"tags":[304,305,295,5],"class_list":["post-2314","post","type-post","status-publish","format-standard","hentry","category-class-7-science","tag-ncert-class-7-science-chapter-3-fibre-to-fabric-in-english","tag-ncert-solutions-class-7-science-chapter-3-in-english","tag-ncert-solutions-class-7-science-in-english","tag-ncert-solutions-in-english"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCERT Solutions Class 7 Science Chapter 3 Fibre to Fabric | TheExamPillar NCERT<\/title>\n<meta name=\"description\" content=\"NCERT Solutions Class 7 Science\u00a0The NCERT Solutions in English Language for Class 7 Science Chapter - 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