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Explain why, a woolen garment keeps us v...

Explain why, a woolen garment keeps us very warm in winter.

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LAKHMIR SINGH & MANJIT KAUR-FIBRE TO FABRIC-EXERCISE
  1. Name the various steps involved in the production of wool from sheep.

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  2. Why do wool-yielding animals (like sheep) have a thick coat of hair on...

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  3. Explain why, a woolen garment keeps us very warm in winter.

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  4. What is an occupational hazard? Name one occupational hazard.

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  5. What is meant by the term 'sericuture'?

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  6. Name the most common silk moth. What are the characteristics of silk f...

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  7. How will you distinguish between natural silk and artificial silk ?

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  8. What is meant by the term 'reeling the silk' ? How is it done ?

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  9. Match the words of the column I with those given in column II :

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  10. Name any five animal which yield wool. Which is the most common type o...

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  11. Name any four types of silk. State whether silk is an animal fibre or ...

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  12. What is a cocoon ? Name the fibre of which a cocoon is made.

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  13. Arrange the following steps in the correct order in which they are car...

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  14. Describe briefly, how wool is obtained from sheep and processed to mak...

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  15. What is meant by the following terms ? Shearing

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  16. What is meant by the following terms ? Scouring

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  17. What is meant by the following terms ? Sorting

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  18. Describe briefly how silk is produced.

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  19. In what type of weather shearing of sheep is done ? Why ? Why does she...

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  20. Which of the following does not yield wool ?

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