Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 7 Science 3. Fibre to Fabric with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 7 Science 3. Fibre to Fabric with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Long Answered Questions. Whether you are studying for board exams or mid-term exams, 7 Science Chapter 3. Fibre to Fabric solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutionsLong Answered Questions:
Ques1: Name the animals those yield wool?
Ans: (i) Angora goat
(ii) Goat
(iii) Sheep
(iv) Camel
(v) yak
(vi) Llama
(vii) Alpaca
Ques8: Write the steps of obtaining wool.
Ans: There are six steps of obtaining wool.
(i) Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. This process is called shearing. In this process the hairs are shaved off. The hair provide woolen fibres.
(ii) Scouring : The sheared skin with hair thoroughly washed in tanks to remove grease, dust and dirt. This is called scouring.
(iii) Sorting: The hairy skin is sent to a factory where hair of different textures are separated. This ia called sorting.
(iv) Cleaning of Burrs: The small fluffy fibres, called burrs, are picked out from the hair. The fibres are scoured again and dried. This is the wool ready to be drawn into fibres.
(v) Dyeing : The dyeing in various colours. as the natural fleece of sheep and goats is black, brown or white.
(vi) Rolling into Yarn : The fibres are straightened, combed and rolled into yarn. The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woollen cloth.
Ques3: write the life history of the silk moth.
Ans: The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworm. They grow into pupa. It first weaves a net to hold itself is known as cocoon. Then they swing and move during these movement they secrete fibre made of a protein which hardens on exposure to air and becomes silk fibre.
Ques4: Make sketches of the life history of the silk moth.
Ans:
Long Answered Questions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 7 Science Chapter 3. Fibre to Fabric solutions help you understand the core concepts and practice effectively.
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To boost your preparation, we also provide additional important questions with answers. These are prepared from previous year board papers, sample papers, and important concepts of Chapter 3. Fibre to Fabric. Practicing these ensures you are well-prepared for both board and mid-term exams.
Our Long Answered Questions are useful for both board exams and mid-term exams. For 7 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Long Answered Questions for 7 Science Chapter 3. Fibre to Fabric are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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